Thursday, August 23, 2007 4:30 - 6:15 PM
Poster 1: Skeletal Tissue
Memorial Auditorium
P1-1 Transverse damage and failure behavior of trabecular bone
Jaqueline Keilty, Glen Niebur, Constance Slaboch
Corresponding Author: Glen Niebur
University of Notre Dame
P1-2 A calibration method for stereo fluoroscopic imaging systems
J. Erik Giphart, Bart Kaptein, Kevin Shelburne, Michael Torry
Corresponding Author: J. Erik Giphart
Steadman-Hawkins Research Foundation, Vail, CO
P1-3 A finite element analysis of femoral stresses in a simulated falling on the hip condition
Kevin E. Bennet, Mark E. Bolander, Dan M. Dragomir-Daescu, Sean McEligot, Miranda N. Shaw
Corresponding Author: Dan M. Dragomir-Daescu
Mayo Clinic Division of Engineering
P1-4 The effect of loading rate on porcine lumbar spinal segments: an in-vitro biomechanical study
Kornelia Kulig, Gadi Pelled, John Popovich, Wafa Tawackoli, Judson Welcher
Corresponding Author: John Popovich
University of Southern California
P1-5 Stresses in the l2 vertebra under different loading conditions
Ibrahim Erdem, Eeric Truumees, Marjolein C.H. van der Meulen
Corresponding Author: Marjolein C.H. van der Meulen
Cornell University
P1-6 Refinements in modeling the mechanical properties of laryngeal soft tissue
Eric Hunter, Ingo Titze
Corresponding Author: Eric Hunter
National Center for Voice and Speech; Denver Center for the Performing Arts
P1-7 Non-rigid registration of deformable shape models produces a superior normative femur model
Weidong Luo, Frances Sheehan, Steven Stanhope
Corresponding Author: Weidong Luo
Catholic University of America
P1-8 Difference in biomechanical properties between a cervial pedicle screw construct and lateral mass cervical fixation
Brad Dunlap, Eldin Karaikovic, Hyung-Soon Park, Li-Qun Zhang
Corresponding Author: Li-Qun Zhang
Rehabilitation Institute of Chicago
P1-9 Effect of facet arthroplasty on the biomechanics of the lumbar spine - a finite element study
Jorge Ochoa, David Rosler, Sasidhar Vadapalli
Corresponding Author: Sasidhar Vadapalli
Archus Orthopedics Inc.,
P1-10 Bone surface tracking for standing knee mri: a validation study
Peter Barrance, Joaquin Barrios, Irene Davis, Brian Noehren, Michael Pohl
Corresponding Author: Peter Barrance
Kessler Medical Rehabilitation Research and Education Center
P1-11 Carpal cartilage thickness mapping using micro-ct
Jane Casey, Joseph Crisco, Douglas Moore
Corresponding Author: Douglas Moore
Department of Orthopaedics, Brown Medical School/RI Hospital
P1-12 Effects of labrum thickness and modulus on glenohumeral capsule and labrum strains
Richard Debski, Nick Drury, Ben Ellis, Jeff Weiss
Corresponding Author: Jeff Weiss
University of Utah
P1-13 Effects of area selection choice on quantifying proximal tibia bone density
David Hudson, Todd Royer
Corresponding Author: Todd Royer
University of Delaware
P1-14 Biomechanics of the prodisc artificial disc using finite element analysis
Yabo Guan, Dennis J. Maiman, Frank A. Pintar, Narayan Yoganandan, Jiangyue Zhang
Corresponding Author: Yabo Guan
Medical College of Wisconsin
P1-15 Strand-based Simulation of Tendinous Systems
Dinesh K. Pai, Shinjiro Sueda
Corresponding Author: Shinjiro Sueda
University of British Columbia
P1-16 Accuracy of radiographic intervertebral kinematics as a determinant of lumbar fusion
Bruce Fredrickson, Nathaniel Ordway, Soo-An Park, Mike Sun, Hansen Yuan
Corresponding Author: Soo-An Park
SUNY-Upstate Medical University
P1-17 A novel apporach to design knee impants for wear and stress shielding performance
Alidad Amirfazli, Anthony Au, Il Yong Kim, Ryan Willing
Corresponding Author: Il Yong Kim
Queen's University
P1-18 3.5 mm Lag Screws as Compared With 6.5 mm Lag Screws for Fixation of the Distal Femur: Implications for Reconstruction of Complex Joint Injuries
Kristine Csavina, Anjali Gupta, David Jacofsky, John McCamley, M. Wade Shrader
Corresponding Author: Kristine Csavina
SHRI-CORE Orthopedic Research Labs, Sun City West, AZ
P1-19 An in vivo 3d articular model of the radioscaphocapitate (rsc) ligament during wrist flexion/extension and ulnar/radial deviation
Edward Akelman, Joseph Crisco, Douglas Moore, Michael Rainbow, Scott Wolfe
Corresponding Author: Joseph Crisco
Department of Orthopaedics, Brown Medical School/Rhode Island Hospital
P1-20 North American Perception of the Prestige of Biomechanics Serials
John Chow, Duane Knudson
Corresponding Author: Duane Knudson
California State University, Chico
P1-21 Fatigue induced damage in cemented total hip arthroplasty can be investigated by acoustic emission
Jihui Li, Gang Qi
Corresponding Author: Jihui Li
Columbia University
P1-22 Finite element parameters affecting micromotion and strain energy density predictions in tibial model as determined by factorial analysis
Michael Dunbar, Adam Henderson, Heidi Ploeg, Jill Schmidt
Corresponding Author: Jill Schmidt
University of Wisconsin-Madison
P1-23 The influence of using one or two lag screws on the mechanical environment of a femoral neck fracture.
Chris Brown, Philip Procter, David Simpson, Alan Yettram
Corresponding Author: David Simpson
University of Oxford
P1-24 The effect of using modular necks with an uncemented hip stem on primary stability
Harinderjit Gill, Paige Little, David Simpson
Corresponding Author: David Simpson
University of Oxford
P1-25 Polyethylene stresses in Unicompartmental knee replacements during a step-up activity.
Harinderjit Gill, David Simpson
Corresponding Author: David Simpson
University of Oxford
P1-26 Dynamic Loading and Biological Growth
Samer Adeeb, Marcelo Epstein, Walter Herzog
Corresponding Author: Samer Adeeb
University of Calgary
P1-27 The effect of bone microstructure on microcracks propagation trajectory
Ahmad Reza Arshi, Mohamad Reza Eslami, Hamid Reza Katoozian, Manssour Moeinzadeh, Ahmad Raeisi Najafi
Corresponding Author: Manssour Moeinzadeh
University of Illinois at Urbana- Champaign
P1-28 Biomechanical Effects of Minimally Invasive Treatment for Cervical Spondylotic Myelopathy
Gunnar B.J. Andersson, Lacey E. Bresnahan, Richard G. Fessler, Mozammil Hussain, Raghu N. Natarajan
Corresponding Author: Lacey E. Bresnahan
The University of Chicago
P1-29 Calibration of the ZETOS Bone Loading System
Sylvana Garcia, Heidi Ploeg, Everett Smith
Corresponding Author: Sylvana Garcia
University of Wisconsin - Madison
P1-30 Anisotropic stress analysis of the second metatarsal
Timothy Derrick, W. Brent Edwards, Stacey Meardon, Erin Ward
Corresponding Author: W. Brent Edwards
Iowa State University
P1-31 In vitro validation of a dynamic finite element tkr model
Randy Ellis, Joel Lanovaz
Corresponding Author: Joel Lanovaz
University of Saskatchewan
P1-32 Joint loads and bone strains associated with a resurfaced femoral head
Donald L. Bartel, Christopher T. Cheng, Jason P. Long
Corresponding Author: Jason P. Long
Cornell University
P1-33 The evaluation of tribological properties of biomaterials used for knee replacements
Radek Sedlacek, Jana Vondrova
Corresponding Author: Radek Sedlacek
Czech Technical University in Prague, Faculty of Mechanical Engineering
P1-34 Marrow space used for high resolution image segmentation of cancellous and cortical bone
Robert Burden, Michael Voor, Seid Waddell, Qian Xu
Corresponding Author: Qian Xu
University of louisville
P1-35 A Finite Element Investigation into the Biomechanical Effects of Minimally Invasive Treatment for Cervical Spondylotic Myelopathy
Gunnar B.J. Andersson, Lacey E. Bresnahan, Richard G. Fessler, Mozammil Hussain, Raghu N. Natarajan
Corresponding Author: Lacey E. Bresnahan
The University of Chicago
P1-36 Effects of ACL Interference Screws on Articular Cartilage Thickness Measurements with 1.5T and 3T MRI
Megan Bowers, Braden Fleming, Evan Leventhal, Nhon Trinh, Glenn Tung
Corresponding Author: Braden Fleming
Brown Medical School/Rhode Island Hospital
P1-37 Can height loss across a functional spinal unit modified by static rest breaks mitigate cumulative compression induced injury?
Jack P. Callaghan, Robert J Parkinson
Corresponding Author: Robert J Parkinson
University of Waterloo
P1-38 Ankle angle and localized muscle fatigue effects on tibial response during heel impacts
DAVID ANDREWS, ADRIANA HOLMES
Corresponding Author: ADRIANA HOLMES
UNIVERSITY OF WINDSOR
P1-39 Biomechanics of adjacent segments with number of inter-body bone grafts and spinal intrumentations for a multi-level fusion construct using a finite element model
Howard An, Gunnar Andersson, Mozammil Hussain, Ahmad Nassr, Raghu Natarajan
Corresponding Author: Mozammil Hussain
Rush University Medical Center
P1-40 Relationship between failure progression in a lumbar disc and manual lifting - a poroelastic finite element model study
Howard An, Gunnar Andersson, Steve Lavender, Raghu Natarajan
Corresponding Author: Raghu Natarajan
Rush University of Medical Center
P1-41 Finite element simulation of nanoindentation tests for cortical bone using a damaged plastic model
Satya Paruchuru, Xuanliang Dong, Xiaodu Wang
Corresponding Author: Xuanliang Dong
University of Texas at San Antonio
P1-42 Mechanical Testing of Tendon in Transverse Compression
C. Paul Buckley, S.T. Samuel Salisbury, Amy B. Zavatsky
Corresponding Author: Amy B. Zavatsky
University of Oxford
Thursday, August 23, 2007 4:30 - 6:15 PM
Poster 2: Aging
Memorial Auditorium
P2-1 Effects of age and loss of balance direction on the kinematics of the threshold of balance recovery
Cecile Smeesters, Alessandro Telonio
Corresponding Author: Cecile Smeesters
Universite de Sherbrooke
P2-2 Stair descent knee power changes following minimally invasive computer navigated total knee arthroplasty
Kristine Csavina, David Jacofsky, John McCamley, M. Wade Shrader
Corresponding Author: John McCamley
SHRI-CORE Orthopedic Research Labs, Sun City West, AZ
P2-3 Dynamic Postural Stability during Sit-to-Walk Transitions in the Healthy Young and Healthy Elderly
Thomas Buckley, Chris Hass, Chris Pitsikoulis
Corresponding Author: Thomas Buckley
Georgia Southern University
P2-4 Effect of Parkinson's Disease on Step Response to a Backwards Pull
Carl Luchies, Kelly Lyons, Molly McVey, Rajesh Pahwa, Antonis Stylianou
Corresponding Author: Carl Luchies
The University of Kansas
P2-5 Passive and active contributions to joint kinetics in elderly gait
Bryan Heiderscheit, Amy Silder, Darryl Thelen, Ben Whittington
Corresponding Author: Amy Silder
University of Wisconsin - Madison
P2-6 Altered Response to a Backwards Pull in Parkinson's Disease.
Carl Luchies, Kelly Lyons, Molly McVey, Rajesh Pahwa, Antonis Stylianou
Corresponding Author: Carl Luchies
University of Kansas
P2-7 Age and Fatigue Effects on Lower Extremity Joint Torque Development
Gregory King, Carl Luchies, Molly McVey, Antonis Stylianou
Corresponding Author: Gregory King
University of Missouri - Kansas City
P2-8 Separating the Influence of Age and Speed on Gait Variability
Jonathan Dingwell, Hyun Gu Kang
Corresponding Author: Jonathan Dingwell
University of Texas at Austin
P2-9 Pad causes alterations in the variability of gait patterns
Jason Johanning, Naomi Kochi, Sara Myers, Iraklis Pipinos, Nick Stergiou
Corresponding Author: Sara Myers
University of Nebraska at Omaha
P2-10 Center of Mass and Ankle Inclination Angles during Walking: An Alternative Detection of Gait Instability
Chu-Jui Chen, Li-Shan Chou
Corresponding Author: Li-Shan Chou
University of Oregon
P2-11 Cruciate ligament removal contributes to abnormal knee motion during posterior stabilized total knee arthroplasty
Melinda Cromie, Scott Delp, Nicholas Giori, Robert Siston
Corresponding Author: Melinda Cromie
Stanford University
Thursday, August 23, 2007 4:30 - 6:15 PM
Poster 3: Motor Control
Memorial Auditorium
P3-1 Muscle synergies for human postural control are robustly used across multiple postural configurations
Lena Ting, Gelsy Torres-Oviedo
Corresponding Author: Lena Ting
Emory University and Georgia Institute of Technology
P3-2 Solutions of a redundant motor task with sub-task conflict
Jaebum Park, Jae Kun Shim
Corresponding Author: Jaebum Park
University of Maryland
P3-3 Bidirectional neural coupling between upper and lower limbs
Daniel Ferris, Helen Huang
Corresponding Author: Helen Huang
University of Michigan
P3-4 Changes in the postural control system following localized muscle fatigue: a time-delayed stability analysis
Bradley Davidson, Michael Madigan, Maury Nussbaum
Corresponding Author: Bradley Davidson
Virginia Tech
P3-5 Electromyographic correlates of internal models of target reaching tasks in randomized force fields
Wen Liu, Mukul Mukherjee
Corresponding Author: Mukul Mukherjee
University of Kansas Medical Center
P3-6 Processing effects on joint moments during impact landings
Jeffery Podraza, Scott White
Corresponding Author: Scott White
University at Buffalo
P3-7 Presentation of target torque level and error information enhance maximal voluntary elbow flexion torque
Makoto Fukuda, Tetsuo Fukunaga, Yasuo Kawakami, Yohei Takai
Corresponding Author: Makoto Fukuda
Waseda University
P3-8 A non-linear analysis of kinematic variability during cyclic reach-and-point movements.
Robert Gregory, David Heller
Corresponding Author: Robert Gregory
United States Military Academy
P3-9 Modelling static force generation of rat hindlimb muscles by direct stimulation
Dinesh Pai, Matthew Tresch, Sang Hoon Yeo
Corresponding Author: Matthew Tresch
Northwestern University
P3-10 Critical time-to-contact after postural perturbations
Graham Caldwell, Catherine Gariepy, Christopher Hasson, William McDermott, Richard Van Emmerik
Corresponding Author: Christopher Hasson
University of Massachusetts
P3-11 Adaptations to task mechanics alter stretch reflex gain but not intermuscular coordination
Kuifu Chen, Gwyn Lewis, Eric Perreault
Corresponding Author: Eric Perreault
Northwestern University
P3-12 Effect of surface compliance on stepping responses to trunk perturbations
James Ashton-Miller, Manuel Hernandez
Corresponding Author: Manuel Hernandez
University of Michigan
P3-13 The optimal release angles of elite discus throwers
Steve Leigh, Hui Liu, Bing Yu
Corresponding Author: Steve Leigh
The University of North Carolina at Chapel Hill
P3-14 Switching Control to Actuate Elbow Motion
Daniel Budny, Angela Flamm, Laurel Kuxhaus, Pat Schimoler, Jeffrey Vipperman
Corresponding Author: Pat Schimoler
University of Pittsburgh
P3-15 Stabilization of locomotion by a musculoskeletal model of cat hindlimbs with hill-type actuators
Alexander Klishko, Boris Prilutsky
Corresponding Author: Boris Prilutsky
Georgia Institute of Technology
P3-16 Rambling-trembling decomposition in two dimensions
Marcos Duarte, Mark Latash, Thomas Robert, Vladimir Zatsiorsky
Corresponding Author: Thomas Robert
The Pennsylvania State University
P3-17 Angular momentum control of forward dynamic walking
Mark Able, Bradford Bennett, Alexandre Ledoux, Shawn Russell, Pradip Sheth
Corresponding Author: Bradford Bennett
University of Virginia
P3-18 Examination of cutting knee mechanics using principal components analysis
Michael Bottum, Kristian O'Connor
Corresponding Author: Kristian O'Connor
University of Wisconsin - Milwaukee
P3-19 Joint moments are coordinated to stabilize vertical endpoint forces during human locomotion
Young-Hui Chang, Jasper Yen
Corresponding Author: Jasper Yen
Georgia Institute of Technology
P3-20 Selecting among Neuromechnical Control Architectures using Kinematic Phase and perturbation experiments
Robert Full, Daniel Koditschek, Shai Revzen
Corresponding Author: Shai Revzen
University of California, Berkeley
P3-21 Mechanics of bipedal running turns
Devin Jindrich
Corresponding Author: Devin Jindrich
Arizona State University
P3-22 Test-retest reliability of sitting posture in typically developing infants.
Joan Deffeyes, Stacey DeJong, Regina Harbourne, Anastasia Kyvelidou, Wayne Stuberg
Corresponding Author: Anastasia Kyvelidou
University of Nebraska at Omaha
P3-23 Neuromechanical Modeling of Functional Muscle Synergies for Postural Control in the Cat
J. Lucas McKay, Lena H. Ting, Gelsy Torres-Oviedo
Corresponding Author: Lena H. Ting
Georgia Institute of Technology and Emory University
P3-24 Muscle function is biased towards positive over negative work in level human gait
Paul DeVita, Allison Gruber, Lars Janshen, Patrick Rider, Stanislaw Solnik
Corresponding Author: Paul DeVita
East Carolina University
P3-25 Upper and Lower Limb Disturbance Rejection of Self-Triggered and Computer-Cued Load Perturbations
Kari Danek, Daniel Ferris, Brent Gillespie, Jessy Grizzle
Corresponding Author: Kari Danek
University of Michigan
P3-26 Biomechanical Constraints on Equilibrium Point Control of Multi-Joint Arm Postures
James Gordon, Ning Lan, Dan Song
Corresponding Author: Ning Lan
University of Southern California
P3-27 Lower limb force production and bilateral force asymmetries are based on sense of effort
Daniel Ferris, Ann Simon
Corresponding Author: Ann Simon
University of Michigan
P3-28 Revisiting the emg-torque relationship of the trunk musculature: effects of antagonistic co-contraction
Stephen Brown, Stuart McGill
Corresponding Author: Stephen Brown
University of Waterloo
P3-29 Muscular contributions to vertebral joint rotational stiffness during the standard pushup
Tyson Beach, Jack Callaghan, Samuel Howarth
Corresponding Author: Samuel Howarth
University of Waterloo
P3-30 Muscle activation patterns change the inherent stiffness of the human trunk
Stephen Brown, Stuart McGill
Corresponding Author: Stephen Brown
University of Waterloo
P3-31 Joint Kinetic Contributions to Acute Performance Enhancement & Degradation
Loren Chiu, George Salem
Corresponding Author: Loren Chiu
University of Southern California
P3-32 Gender Differences in Spinal Posture and User Positioning on a Prototype Seat Pan
Jack Callaghan, Diana De Carvalho, Nadine Dunk
Corresponding Author: Diana De Carvalho
University of Waterloo
P3-33 Effects of Gender on Lower Extremity Muscle Activation in Children Performing a Single-Leg Unanticipated Landing Task
David Clark, Seth Kuhlman, Ronald Pfeiffer, Michelle Sabick, Kevin Shea
Corresponding Author: Ronald Pfeiffer
Boise State University
P3-34 Effects of breathing on muscle strength of large muscle groups
Adam Borg, Devn Brown, Elizabeth Ikeda, Sheng Li, Jessica Malouf
Corresponding Author: Sheng Li
University of Montana
P3-35 Obstacle avoidance with varying ability to spataially orient attention following mild traumatic brain injury
Robert Catena, Li-Shan Chou, Charlene Halterman, Paul van Donkelaar
Corresponding Author: Li-Shan Chou
University of Oregon
Thursday, August 23, 2007 4:30 - 6:15 PM
Poster 4: Injury
Memorial Auditorium
P4-1 Lower Extremity Kinematic Consequences During Vertical to Horizontal Momentum Redirection
Henryk Flashner, Laura Held, Jill McNitt-Gray
Corresponding Author: Laura Held
University of Southern California
P4-2 Factors affecting lumbar kinetics during dependent transfers on an aircraft.
Brian Higginson, Welsh Lisa, Michael Pavol
Corresponding Author: Michael Pavol
Oregon State University
P4-3 Muscle forces at the knee during walking and running in patients with patellofemoral pain
Gary Beaupre, Thor Besier, Garry Gold, Fredericson Michael, Delp Scott
Corresponding Author: Thor Besier
Stanford University
P4-4 The effect of hand position on subscapularis force during the belly-press test
Marcus Pandy, Kevin Shelburne, Michael Torry, Takashi Yanagawa
Corresponding Author: Takashi Yanagawa
Steadman Hawkins Research Foundation
P4-5 Effect of orientation on failure criteria for lumbar spine segments
David Burnett, Naira Campbell-Kyureghyan, Sai Vikas Yalla
Corresponding Author: Naira Campbell-Kyureghyan
University of Louisville
P4-6 Deformation at Branch Points in Human Cerebral Arteries
Louis Cheng, Geoffrey Manley, Kenneth Monson, Joshua Smith
Corresponding Author: Joshua Smith
University of California, San Francisco
P4-7 The influence of stride length on impact shock and metabolic cost during walking in obese women
Joseph Hamill, Elizabeth Russell
Corresponding Author: Elizabeth Russell
University of Massachusetts
P4-8 Spinal mechanics during drop landing: effects of gender and landing technique
John W. Chow, Soo-An Park, Mark D. Tillman
Corresponding Author: Soo-An Park
SUNY-Upstate Medical University
P4-9 A stochastic biomechanical model for the risk and risk factors for non-contact acl injury
Michael Gross, Chuanshu Ji, Cheng Feng Lin, Paul Weinhold, Bing Yu
Corresponding Author: Bing Yu
The University of North Carolina at Chapel Hill
P4-10 Meniscal Injury in Conjunction with Acute and Chronic ACL Tears Increase Peak Cartilage Stresses
Thomas Andriacchi, Nathan Netravali
Corresponding Author: Nathan Netravali
Stanford University
P4-11 Prospective Study of Kinetic Factors Associated with Tibial Stress Fractures in Runners
Irene Davis, Joseph Hamill, Michael Pohl
Corresponding Author: Michael Pohl
University of Delaware
P4-12 Validation of tri-axial accelerometer for the calculation of elevation angles
Tal Amasay, Andrew Karduna, Laurel Kincl, Keely Zodrow
Corresponding Author: Tal Amasay
University of Oregon
P4-13 Acute torsional failure: do physiological loading rates effect the spine's limit?
Jack Callaghan, Janessa Drake
Corresponding Author: Janessa Drake
University of Waterloo
P4-14 Sagittal acl graft orientation influences passive and dynamic anterior tibial translation
Katerina Blazek, Ajit Chaudhari, Jason Dragoo, Sean Scanlan, Joshua Schmidt
Corresponding Author: Sean Scanlan
Stanford University
P4-15 Correlation of dynamic cartilage contact stress aberration with severity of joint instability
Thomas Brown, Todd McKinley, Douglas Pedersen, M. James Rudert, Yuki Tochigi
Corresponding Author: Yuki Tochigi
University of Iowa
P4-16 Frontal plane knee joint stiffness: gender and hormonal effects
Martha Cammarata, Tobey DeMott, Yasin Dhaher, Jennifer Moore
Corresponding Author: Yasin Dhaher
Northwestern University
P4-17 Electromyographic and kinematic evaluation of provocative tests for slap lesions
Seth Kuhlman, Kurt Nilsson, Ronald Pfeiffer, Michelle Sabick, Kevin Shea
Corresponding Author: Seth Kuhlman
Boise State Univrsity
P4-18 Model for Occupants Ejected from Vehicles with Roll and Yaw
Chad Hovey, Matthew Kaplan, Robert Piziali
Corresponding Author: Chad Hovey
Piziali and Associates, Inc.
P4-19 Evaluation of injury criteria for predicting commotio cordis
Cynthia Bir, Nathan Dau, Mark Link, Christopher Madias
Corresponding Author: Nathan Dau
Wayne State University
P4-20 Prospective Study of the Biomechanical Factors Associated with Patellofemoral Pain
Irene Davis, Brian Noehren
Corresponding Author: Brian Noehren
University of Delaware
P4-21 Glucosamine and chondroitin sulfate affect the response of exercised articular cartilage to blunt impact loading
Nurit Golenberg, Roger Haut, Eugene Kepich, Feng Wei
Corresponding Author: Roger Haut
Michigan State University
P4-22 Biofidelity requirements for an advanced headform for the prediction of eye injuries
Fred Brozoski, Paul Depinet, Stefan Duma, Eric Kennedy
Corresponding Author: Eric Kennedy
Virginia Tech - Wake Forest University Center for Injury Biomechanics
P4-23 The effect of cardiovascular fatigue on trunk muscle activation and spine postures during firefighting tasks
Jack Callaghan, Diane Gregory, Samuel Howarth, Sonia Narula
Corresponding Author: Diane Gregory
University of Waterloo
P4-24 Effect of linear wheelchair velocity on a new manual wheelchair user joint injury index
Mohammadreza Mallakzadeh, Farrokh Sassani, Bonita J Sawatzky
Corresponding Author: Mohammadreza Mallakzadeh
The University of British Columbia
P4-25 Whiplash causes increased laxity of cervical capsular ligament
Marcus Coe, Shigeki Ito, Paul Ivancic, Wolfgang Rubin, Yasuhiro Tominaga
Corresponding Author: Paul Ivancic
Yale University School of Medicine
Friday, August 24, 2007 4:30 - 6:15 PM
Poster 5: Rehabilitation
Memorial Auditorium
P5-1 Gait Adaptations and Recovery Rates Following Minimally Invasive Total Hip Replacement
Richard Berger, Kharma Foucher, Robert Trombley, Markus Wimmer
Corresponding Author: Markus Wimmer
Rush University Medical Center
P5-2 Functional gait outcomes after intertrochanteric hip fracture
Ellen Boeke, Kristine Csavina, M. Wade Shrader, Kimberly Yarnall
Corresponding Author: Kimberly Yarnall
SHRI-CORE Orthopedic Research Labs, Sun City West, AZ
P5-3 Post-tka effects of prehabilitation on standing knee kinetics
Claudia Angeli, James Doane, John Nyland, Peter Quesada, Ann Swank
Corresponding Author: Peter Quesada
University of Louisville
P5-4 Surgical recession of the gastrocnemius for isolated contracture: a case study
Michael Castro, Nicole Chimera, Kurt Manal
Corresponding Author: Kurt Manal
Center for Biomedical Engineering Research, University of Delaware
P5-5 Assessment of function of an orthotic brace control mechanism
Steven Anderson, Jessica Hagan, William Hnat, John Lilly, Peter Quesada
Corresponding Author: Peter Quesada
University of Louisville
P5-6 Effects of Wheelchair Propulsion Training on Pushrim Kinetics
Michael Boninger, Rachel Cowan, Alicia Koontz, Ian Rice
Corresponding Author: Alicia Koontz
Human Engineering Research Laboratories
P5-7 Disease severity influences trunk sway and knee loading during walking in patients with medial compartment knee OA
Thomas P. Andriacchi, Jessica L. Asay, Annegret Muendermann
Corresponding Author: Annegret Muendermann
Stanford University
P5-8 Reflex and Nonreflex Characterization of Spasticity in Children with Cerebral Palsy: Dependence of Catch Angle on Velocity
Jia-Jin Chen, Deborah Gaebler, Hyung-Soon Park, Yi-Ning Wu, Li-Qun Zhang
Corresponding Author: Li-Qun Zhang
Northwestern University
P5-9 Can intervertebral kinematics predict clinical outcome of lumbar discectomy?
Jerry Calabrese, Amir Fayyazi, Nathaniel Ordway, Soo-An Park, Hansen Yuan
Corresponding Author: Soo-An Park
SUNY-Upstate Medical University
P5-10 Lower Limb Synergy Patterns of Stroke Subjects While Walking in a Lokomat Robotic Orthosis
Joseph Hidler, Nathan Neckel, Diane Nichols
Corresponding Author: Nathan Neckel
Catholic University of America
P5-11 Integer Programming Models for Optimizing Shoulder Rehabilitation
James Carpenter, Christopher Gatti, Richard Hughes, Jason Scibek, Oleg Svintsitski
Corresponding Author: Richard Hughes
University of Michigan
P5-12 Control System Development for Automatic Standing Balance using Functional Neuromuscular Stimulation (FNS) Following Spinal Cord Injury (SCI)
Musa Audu, Robert Kirsch, Raviraj Nataraj, Ronald Triolo
Corresponding Author: Raviraj Nataraj
Case Western Reserve University
P5-13 Effect of the lateral wedged insoles on the joint load of knee and ankle in patients with medial knee osteoarthritis
Yuji Kuroyanagi, Hideo Matsumoto, Takeo Nagura, Toshiro Otani, Yasumori Suda
Corresponding Author: Yuji Kuroyanagi
Department of Orthopedic Surgery, Keio University
P5-14 3-d joint motion of acl deficient and reconstructed knees during daily activities
Bo Gao, Peter Indelicato, Michael Moser, Nigel Zheng
Corresponding Author: Nigel Zheng
University of Florida
P5-15 Is gait after unilateral total knee arthroplasty similar to healthy adults?
Clare Milner
Corresponding Author: Clare Milner
University of Tennessee
Friday, August 24, 2007 4:30 - 6:15 PM
Poster 6: Computational Biomechanics
Memorial Auditorium
P6-1 Analytical expression of musculotendon model including viscoelastic properties of tendon
Miloslav Vilimek
Corresponding Author: Miloslav Vilimek
Czech Technical University in Prague
P6-2 Influence of loading on knee extensor mechanics in total knee replacement: a computer simulation study
Michael Hast, Ryan Landon, Stephen Piazza
Corresponding Author: Stephen Piazza
The Pennsylvania State University
P6-3 Musculo-Skeletal Modeling Software (MSMS) for Biomechanics and Virtual Rehabilitation
Rahman Davoodi, Mehdi Khachani, Gerald E. Loeb
Corresponding Author: Mehdi Khachani
Alfred Mann Institute and Department of Biomedical Engineering - University of Southern California
P6-4 Criteria for Wrapping Surface Parameters for Spinal Muscles
Richard Lasher, Travis Meyer, Anita Vasavada
Corresponding Author: Anita Vasavada
Washington State University
P6-5 Robust contact spring placement using trimmed nurbs surfaces for simulation of articular contact
Ryan Landon, Stephen Piazza
Corresponding Author: Stephen Piazza
The Pennsylvania State University
P6-6 Validation of Orthopaedic Related Image Segmentation Techniques
Nicole DeVries, Esther Gassman, Nicole Grosland, Nicole Kallemeyn, Kiran Shivanna
Corresponding Author: Nicole Grosland
University of Iowa
P6-7 Three-dimensional hyperelastic model of the human knee: a parametric sensitivity study
Yasin Dhaher, Qunli Sun
Corresponding Author: Yasin Dhaher
Northwestern University and Rehabilitation Institute of Chicago
P6-8 Virtue of Boundary Element Method in Calculation of Pressure Distribution on Boundary Based Segmented Medical Images
Nasser Fatouraee, Ali Pashaee
Corresponding Author: Nasser Fatouraee
Amirkabir University of Technology
P6-9 A Musculoskeletal Model of the Rat Hindlimb
V Reggie Edgerton, Devin Jindrich, William Johnson, Roland Roy
Corresponding Author: William Johnson
UCLA
P6-10 A genetic algorithm approach to singularity avoidannce in the analysis of weight lifting performance
Ahmed Reza Arshi, Amir Homayoun Javadi, Manssour Moeinzadeh, Elham Shirzad
Corresponding Author: Manssour Moeinzadeh
University of Illinois at Urbana-Champaign
P6-11 Magnetic resonance image segmentation for biomechanical modeling of the orbit
Joseph L. Demer, Joel M. Miller, Dinesh K. Pai, Qi Wei
Corresponding Author: Qi Wei
Rutgers University
P6-12 Shoulder mechanics: analytical modeling and validation
Noshir Langrana, Sue Ann Sisto, Sarah Sullivan
Corresponding Author: Sarah Sullivan
Rutgers University
P6-13 Forward Dynamics Simulations of Human Gait Using Neuromusculoskeletal Tracking
Hyung Joo Kim, Marcus Pandy, Ajay Seth
Corresponding Author: Ajay Seth
Stanford University
P6-14 Muscle activation, joint position and muscle mass distribution: considerations for musculokeletal modeling
Timothy Clark, David Hawkins
Corresponding Author: David Hawkins
University of California - Davis
P6-15 A Rigid Body Model of a Lacrosse Shot Underestimates Measured Ball Velocities
Joseph Crisco, Michael Rainbow, Eileen Wang
Corresponding Author: Joseph Crisco
Bioengineering Laboratory, Department of Orthopaedics, Brown Medical School/Rhode Island Hospital
P6-16 Simulation Study of Walking Patterns with Knee Osteoarthritis using opensim
Jill Higginson, Ming Xiao
Corresponding Author: Ming Xiao
University of Delaware
P6-17 A Proposed New Obstacle-Set Algorithm for Modeling the Wrapping Path of Deltoid
Brian Garner, Bo Xu
Corresponding Author: Brian Garner
Baylor University
P6-18 Using Distributions of Forward Dynamic Simulations to Investigate Model Inaccuracies
Matt Camilleri
Corresponding Author: Matt Camilleri
Sacramento City College
P6-19 A novel elastic foundation contact detection algorithm for use in a six degree of freedom knee model
Roger Gonzalez, Nathan Green
Corresponding Author: Roger Gonzalez
LeTourneau University
P6-20 A neuro-musculoskeletal motor control model with somatosensory and vestibular feedback
Kamran Iqbal, Anindo Roy
Corresponding Author: Kamran Iqbal
University of Arkansas at Little Rock
P6-21 Patient Specific Finite Element Modeling of Lumbar Vertebrae
Dennis Abernathie, Dirk Alander, Ferris Pfeiffer, Douglas Smith, Carol Ward
Corresponding Author: Ferris Pfeiffer
University of Missouri
P6-22 Expressing joint axis orientation
Kevin A Ball, Thomas M Greiner
Corresponding Author: Kevin A Ball
University of Hartford
P6-23 A model of maximum voluntary joint torque variation with joint angle and angular velocity
Dennis Anderson, Michael Madigan, Maury Nussbaum
Corresponding Author: Dennis Anderson
Virginia Tech
P6-24 Exclusion of the subtalar joint affects significantly the calculated ankle muscle forces during gait.
Friso Hagman, Ilse Jonkers, Gerlinde Lenaerts, Louis Peeraer, Jos Vander Sloten
Corresponding Author: Ilse Jonkers
Katholieke Universiteit Leuven
P6-25 Reliabilty of Lower Extremity Anthropometric Measures and Thier Effect on Wobbling Mass Tissue Predictions
David Andrews, Timothy Burkhart, Katherine Teigrob
Corresponding Author: Timothy Burkhart
Univeristy Of Windsor
P6-26 Bayesian techniques improve human motion estimation
Friedl De Groote, Tinne De Laet, Joris De Schutter, Ilse Jonkers
Corresponding Author: Friedl De Groote
Katholieke Universiteit Leuven
P6-27 Response-Surface Mapping to Generate Distributions of Forward Dynamic Simulations
Matt Camilleri
Corresponding Author: Matt Camilleri
Sacramento City College
P6-28 Muscle contributions to body segment mechanical power during able-bodied toe walking
Judith Burnfield, Sara Mulroy, Richard Neptune, Kotaro Sasaki
Corresponding Author: Richard Neptune
Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX
P6-29 Automated Hexahedral Meshing of Anatomical Structures using Deformable Registration
Ritesh Bafna, Nicole Grosland, Vincent Magnotta
Corresponding Author: Nicole Grosland
The University of Iowa
P6-30 A new trunk volume representation for geometric body segment models
Genevieve Dumas, Jason Wicke
Corresponding Author: Jason Wicke
Texas A&M University - Commerce
P6-31 A Check of Mesh Quality
Nicole Grosland, Curtis Lisle, Vincent Magnotta, Steve Pieper, Kiran Shivanna
Corresponding Author: Nicole Grosland
The University of Iowa
P6-32 Patient-specific orthopaedic surgical planning: image datasets to fe models
Nicole M Grosland, Vincent A Magnotta, Kiran H Shivanna, Srinivas C Tadepalli
Corresponding Author: Srinivas C Tadepalli
The University of Iowa
P6-33 Determining vertical ground reaction forces without a force platform using a mass-spring-damper model
Graham Caldwell, Timothy Derrick, Ross Miller
Corresponding Author: Ross Miller
University of Massachusetts Amherst
Friday, August 24, 2007 4:30 - 6:15 PM
Poster 7: Muscle
Memorial Auditorium
P7-1 A comparison of force-velocity properties of single muscle fibers obtained under dynamic and steady-state conditions
Sampath Gollapudi, David Lin
Corresponding Author: David Lin
Washington State University
P7-2 Muscle architecture of extensor carpi radialis longus and brevis: a comprehensive volumetric modelling approach
Anne Agur, Eugene Fiume, Victor Ng-Thow-Hing, Kajeandra Ravichandiran, Karan Singh
Corresponding Author: Anne Agur
University of Toronto
P7-3 Emg-based estimates of pennation angle for the primary ankle dorsi and plantarflexors during isometric contractions
Thomas Buchanan, Kurt Manal, Dustyn Roberts
Corresponding Author: Kurt Manal
Center for Biomedical Engineering Research, University of Delaware
P7-4 In vivo examinations of medial gastrocnemius: change of force-generating capacity in stroke survivors
Fan Gao, Li-Qun Zhang
Corresponding Author: Li-Qun Zhang
Rehabilitation Institute of Chicago & Northwestern University
P7-5 Trade-offs in performance associated with muscle fiber type composition
Brian Umberger
Corresponding Author: Brian Umberger
University of Massachusetts Amherst
P7-6 Architecture of the First Dorsal Interosseous Muscle
John Challis, Daniel Gales, Benjamin Infantolino
Corresponding Author: Benjamin Infantolino
Pennsylvania State University
P7-7 Determination of the psoas major muscle thickness by B-mode ultrasonography
Tetsuo Fukunaga, Yoichi Katsumata, Yasuo Kawakami, Yohei Takai
Corresponding Author: Yoichi Katsumata
Waseda University
P7-8 An Unconstrained Workloop Approach to Study Stability in Frog Muscle In Vitro
Stephen DeWeerth, Kartik Sundar, Lena Ting
Corresponding Author: Kartik Sundar
Georgia Institute of Technology
P7-9 Temperature-dependent mechanical properties of human type-i muscle fibers
Sampath Gollapudi, David Lin
Corresponding Author: Sampath Gollapudi
Washington State University
P7-10 Estimation of myotendinous junction displacement using a cross correlation algorithm for ultra-sound images
Daniel Alves, Liliam Oliveira, Carolina Peixinho, Taian Vieira
Corresponding Author: Liliam Oliveira
Federal University of Rio de Janeiro
P7-11 Influence of isometric muscle fatigue on the human force-length relationship
Eric Berton, Stuart Binder-Macleod, Thomas Buchanan, Ramu Perumal, Guillaume Rao
Corresponding Author: Guillaume Rao
Department of Mechanical Engineering, University of Delaware
P7-12 Human lower extremity design: architecture of hip, knee, and ankle muscles
Carolyn Eng, Richard Lieber, Laura Smallwood, Samuel Ward
Corresponding Author: Samuel Ward
University of California San Diego
P7-13 Scaling of joint mechanics and muscle architecture in the human knee
Jacqueline Braun, Trevor Kingsbury, Kristin Lieber, Samuel Ward, Taylor Winters
Corresponding Author: Samuel Ward
University of California San Diego
P7-14 The relationship between muscle force and intramuscular pressure during dynamic muscle contractions
Jennifer Davis, Kenton Kaufman, Richard Lieber, Samuel Ward
Corresponding Author: Samuel Ward
University of California San Diego
P7-15 Cyclic compressive loading facilitates functional and histological recovery following strain induced damage in skeletal muscle
Sudha Agarwal, Thomas Best, Timothy Butterfield, Yi Zhao
Corresponding Author: Timothy Butterfield
The Ohio State University
P7-16 Continuum-Based Model of Skeletal Muscle
Tammy Haut Donahue, Kenton Kaufman, Duane Morrow, Gregory Odegard
Corresponding Author: Gregory Odegard
Michigan Technological University
P7-17 Human lower extremity design: architecture of human hamstring and quadriceps muscles
Jacqueline Braun, Carolyn Eng, Trevor Kingsbury, Kristin Lieber, Taylor Winters
Corresponding Author: Kristin Lieber
University of California
P7-18 The effect of muscle fatigue on correlations in timing errors
Jonathan Dingwell, Deanna Gates
Corresponding Author: Deanna Gates
University of Texas at Austin
P7-19 Evaluation of three methods for determining emg-muscle force parameter estimates for the shoulder muscles
Lisa Case Doro, Christopher Gatti, Richard Hughes, Joseph Langenderfer, Amy Mell
Corresponding Author: Richard Hughes
University of Michigan
P7-20 Effect of glutathione depletion and age on skeletal muscle performance during a chronic stretch-shortening contraction exposure
Brent Baker, Robert Cutlip, Melinda Hollander, Michael Kashon
Corresponding Author: Robert Cutlip
National Institute for Occupational Safety and Health
P7-21 Reliability of Hand-free Ultrasound Measurement for Vastus Medialis Obliquus
Gabriel Ng, Yiu Ming Wong
Corresponding Author: Yiu Ming Wong
Hong Kong Polytechnic Univerity
P7-22 Residual force depression is not abolished following a quick shortening step
Walter Herzog, Timothy Leonard
Corresponding Author: Walter Herzog
University of Calgary
Friday, August 24, 2007 4:30 - 6:15 PM
Poster 8: Sports
Memorial Auditorium
P8-1 Stroke resumption following flip turns in swimming
Richard Hinrichs, Bethany Larsen
Corresponding Author: Richard Hinrichs
Arizona State University
P8-2 Cruciate ligament force between the forward lunge long and short with and without a stride
Rafael Escamilla, Alan Hreljac, Rodney Imamura, Toran MacLeod, Naiquan Zheng
Corresponding Author: Rafael Escamilla
California State Uiversity, Sacramento
P8-3 Changes in leg stiffness and sprint characteristics during the accleration phase of running in top sprinters
Tetsuo Fukunaga, Shigeo Iso, Kazuyuki Kanosue, Kai Kobayashi, Hiroyasu Tsuchie
Corresponding Author: Kai Kobayashi
Waseda University
P8-4 Contributions of Passive-Tension vs. Inertial Effects on Gravity Correction for Strength Training
Colleen Delmonaco, Laura Frey Law, Andrea Laake
Corresponding Author: Laura Frey Law
University of Iowa
P8-5 Ground reaction forces between running shoes, racing flats and distance spikes in runners
Iain Hunter, Suzanna Logan
Corresponding Author: Iain Hunter
Brigham Young University
P8-6 The effect of stroke length on active drag in swimming
Richard Hinrichs, Bryan Morrison
Corresponding Author: Bryan Morrison
Valparaiso University & Arizona State University
P8-7 Influence of cycling intensity on running kinematics and electromiography in well trained triathletes
Miguel Fern_ndez del Olmo, Ram_n Maa_on, Javier Mon, Jos_ A. S_nchez, _scar Viana
Corresponding Author: Miguel Fern_ndez del Olmo
Faculty of Sciences of Sport and Physical Education (INEF Galicia
P8-8 Multi-segment foot kinematics in high- and low-arched females recreational athletes during walking and running
Benjamin Long, Clare Milner, Douglas Powell, Songning Zhang
Corresponding Author: Douglas Powell
The University of Texas of the Permian Basin
P8-9 Lumbar motion during pitching in professional baseball players
Ajit Chaudhari, Christopher McKenzie
Corresponding Author: Ajit Chaudhari
The Ohio State University
P8-10 Dynamic and Static Changes in Foot Shape
Sharna Clark-Donovan, Gordon Valiant
Corresponding Author: Sharna Clark-Donovan
Nike Sport Research Lab
P8-11 Comparison of split double twists and split triple twists in pairs figure skating
Michele Brown, Deborah King, Jean McCrory, Barry Muncasy, Sarah Smith
Corresponding Author: Deborah King
Ithaca College
P8-12 Stepping aerobics: how do the stepping direction and height affect joint kinetics?
Man-Ying Wang, Hsin-Chang Wu
Corresponding Author: Man-Ying Wang
University of Southern California
P8-13 Push up bars and hand position affect upper extremity muscle activity during the push up exercise
Aaron Decker, Siufong Lam, Steven McCaw, Amanda Somers, Mitch Waller
Corresponding Author: Steven McCaw
Illinois State University
P8-14 A mechanical cause of body rotation about the vertical axis in baseball batting
Toshimasa Yanai
Corresponding Author: Toshimasa Yanai
Chukyo University
Friday, August 24, 2007 4:30 - 6:15 PM
Poster 9: Locomotion
Memorial Auditorium
P9-1 Effects of physical assistance on narrow beam walking
Antoinette Domingo, Daniel Ferris
Corresponding Author: Antoinette Domingo
University of Michigan
P9-2 Walking with Increased Push-off Decreases Hip Flexion Moment
Daniel Ferris, Cara Lewis
Corresponding Author: Cara Lewis
University of Michigan
P9-3 Comparison of the plantarflexion moment arms of lateral gastrocnemius between sprinters and non-sprinters
Sabrina Lee, Stephen Piazza
Corresponding Author: Stephen Piazza
The Pennsylvania State University
P9-4 Kinematic correlates of the free moment and combined loads during running
Timothy Derrick, PhD, William Edwards, Stacey Meardon
Corresponding Author: Stacey Meardon
Iowa State University
P9-5 Mechanics and energetics of incline walking with powered ankle exoskeletons
Daniel Ferris, Gregory Sawicki
Corresponding Author: Gregory Sawicki
University of Michigan-Ann Arbor
P9-6 In vivo measurement of the inversion-eversion moment arms of gastrocnemius and tibialis anterior
Sabrina Lee, Stephen Piazza
Corresponding Author: Stephen Piazza
The Pennsylvania State University
P9-7 Functional gait outcomes in stair climbing after intertrochanteric hip fracture
Ellen Boeke, Kristine Csavina, M. Wade Shrader, Kimberly Yarnall
Corresponding Author: Kimberly Yarnall
SHRI-CORE Orthopedic Research Labs, Sun City West, AZ
P9-8 Estimating lean angle through application of the gravity line projection algorithm
Elizabeth Hsiao-Wecksler, Pilwon Hur, Seiji Naito
Corresponding Author: Elizabeth Hsiao-Wecksler
University of Illinois at Urbana Champaign
P9-9 An innovative diagnostic tool for reducing traumatic knee injuries
Brian Armstrong, Michael Bottum, Mustafa Farrah, Kristian O'Connor, Stephen Watts
Corresponding Author: Kristian O'Connor
University of Wisconsin - Milwaukee
P9-10 A functional method for locating the subtalar joint axis: in vivo assessment of accuracy
Tamara Cohen, Kevin Kirby, Gregory Lewis, Andrea Seisler, Frances Sheehan
Corresponding Author: Gregory Lewis
The Pennsylvania State University
P9-11 Measurement of Ground Reaction Force in Single Limb Support through Markerless Motion Capture
Thomas Andriacchi, Stefano Corazza
Corresponding Author: Stefano Corazza
Stanford University
P9-12 Finite helical axes of acl-deficient and acl-reconstructed knees during walking
Bo Gao, Nigel Zheng
Corresponding Author: Nigel Zheng
University of Florida
P9-13 A hybrid methodology using ultrasonography and motion analysis for estimation of achilles tendon moment arms in vivo
Thomas Buchanan, Nicole Chimera, Justin Cowder, Kurt Manal
Corresponding Author: Kurt Manal
Center for Biomedical Engineering Research, University of Delaware
P9-14 Effects of an Elastic Knee Orthosis on Unilateral Hopping
Michael S. Cherry, Daniel P. Ferris, Sridhar Kota
Corresponding Author: Michael S. Cherry
The University of Michigan
P9-15 Independent effects of weight and mass on muscle activity during walking
Rodger Kram, Craig McGowan, Richard Neptune
Corresponding Author: Craig McGowan
University of Colorado at Boulder
P9-16 Traditional vs continuous data collection for gait evaluation
James Doane, Peter Quesada, Ann Swank, Robert Topp
Corresponding Author: Peter Quesada
University of Louisville
P9-17 Does weight influence locomotive stability?
Christopher J. Arellano, Max J. Kurz, Charles S. Layne, Daniel P. O'Connor, Melissa Scott-Pandorf
Corresponding Author: Christopher J. Arellano
University of Houston
P9-18 Exploring the impulse response of the postural control system
Brett Duiser, Elizabeth Hsiao-Wecksler, Pilwon Hur
Corresponding Author: Elizabeth Hsiao-Wecksler
University of Illinois at Urbana-Champaign
P9-19 Power required to maintain balance on a moving platform
Jerome Allen, Thomas Edwards, Venkata Gade, Nitin Moholkar, David Tung
Corresponding Author: Venkata Gade
Kessler Medical Rehabilitation Research and Education Center
P9-20 Evaluation of the Assessment of Symmetry During Gait
John Challis, Daniel Gales
Corresponding Author: Daniel Gales
Pennsylvania State University
P9-21 Estimation of knee joint compression forces in subjects with medial compartment knee osteoarthritis
Jill Higginson, Joseph Zeni, Jr
Corresponding Author: Joseph Zeni, Jr
University of Delaware
P9-22 Static Postural Stability of Individuals with Mental Retardation Before and After Weight and Balance Training
Courtney Haynes, Thurmon Lockhart
Corresponding Author: Courtney Haynes
Virginia Tech
P9-23 Height estimation of an obstacle is scaleable to toe elevation at obstacle crossing
Chris Rhea, Shirley Rietdyk
Corresponding Author: Chris Rhea
Purdue University
P9-24 Sensitivity of functional hip joint center location to body mass index, movement pattern and marker cluster
Valentina Camomilla, Stefano Corazza, Chris Dryby, Priyanshu Gupta, Annegret Muendermann
Corresponding Author: Annegret Muendermann
Stanford University
P9-25 Variability of joint coupling within the lower extremity in runners with patellofemoral pain during a prolonged run
Irene Davis, Tracy Dierks, Joseph Hamill, John Scholz
Corresponding Author: Tracy Dierks
Indiana University
P9-26 Feedforward postural control in standing: role of lateral muscles and body orientation
Alexander Aruin, Marcio Santos
Corresponding Author: Marcio Santos
University of Illinois at Chicago
P9-27 Comparison of Kinematic Methods for Determining Footstrike and Toe-off During Overground Running
Irene Davis, Rebecca Fellin
Corresponding Author: Rebecca Fellin
University of Delaware
P9-28 Energetics and Biomechanics of Walker Assisted Gair
Rodger Kram, Jonathon Priebe
Corresponding Author: Jonathon Priebe
University of Colorado
P9-29 A gait modification to reduce the external adduction moment at the knee: a case study
Joaquin Barrios, Irene Davis
Corresponding Author: Joaquin Barrios
University of Delaware
P9-30 Sensitivity of lyapunov exponent estimation for human gait
Joseph Hamill, Trampas TenBroek, Richard Van Emmerik
Corresponding Author: Trampas TenBroek
University of Massachusetts
P9-31 Older Adults Exhibit Reduced Lateral Acceleration of the Center of Mass at Fast Walking Speeds
Bryan Heiderscheit, Antonio Hern_ndez, Amy Silder, Darryl Thelen
Corresponding Author: Antonio Hern_ndez
University of Wisconsin - Madison
P9-32 Postural control of self-initiated weight shifts in children and adults
James Abbas, Andrea Downing, K Narayanan
Corresponding Author: Andrea Downing
Center for Adaptive Neural Systems, Arizona State University
P9-33 The effects of stepping off vs. Hopping off a box on calculated drop heights in two-legged landings
Mostafa Afifi, Richard Hinrichs
Corresponding Author: Mostafa Afifi
Arizona State University
P9-34 Reducing errors in inverse dynamics-based joint torques through optimized body segment parameters and segment motion profiles
Elizabeth T. Hsiao-Wecksler, Raziel Riemer
Corresponding Author: Raziel Riemer
Ben-Gurion University
P9-35 Effects of attention on dynamic stability of walking
Jonathan Dingwell, Mark Grabiner, Roland Robb, Karen Troy
Corresponding Author: Jonathan Dingwell
University of Texas
P9-36 A mechanism to reduce the knee adduction moment during walking
Thomas Andriacchi, Jennifer Erhart, Anne M_ndermann, Lars M_ndermann
Corresponding Author: Jennifer Erhart
Stanford University
P9-37 An Elusive Talus: Re-Thinking the Ankle Complex
Kevin A Ball, Thomas M Greiner
Corresponding Author: Kevin A Ball
University of Hartford
P9-38 Approximate entropy is robust to non-stationarity in analysis of infant sitting postural sway
Joan Deffeyes, Stacey DeJong, Regina Harbourne, Anastasia Kyvelidou, Wayne Stuberg
Corresponding Author: Joan Deffeyes
Biomechanics Laboratory, University of Nebraska at Omaha
P9-39 Accuracies of skin marker based knee motion analysis using different techniques
Bryan Conrad, Bo Gao, Nigel Zheng
Corresponding Author: Nigel Zheng
University of Florida
P9-40 Lower limb local or global asymmetry in gait of people without impairments
Heydar Sadeghi
Corresponding Author: Heydar Sadeghi
Tarbiat Moallem University
P9-41 Contact Stress Elevation with Lateral Talar Shift
Daniel Fuchs, Tina Maxian, Robert Spilker, Richard Uhl, Jeremy Winston
Corresponding Author: Tina Maxian
Eastern Maine Medical Center
P9-42 Importance of Preswing Rectus Femoris Activity
Allison Arnold, Scott Delp, Melanie Fox, Sylvia Ounpuu, Jeffrey Reinbolt
Corresponding Author: Melanie Fox
Stanford University
P9-43 The Effect of Manipulating Subject Mass on Lower Extremity Torque Patterns During Locomotion
Ronita Cromwell, John De Witt, R Donald Hagan
Corresponding Author: John De Witt
Bergaila Engineering Services
P9-44 Gait adaptations and high implant twisting moments during stair climbing in subjects with total hip replacements
Kharma Foucher, Debra Hurwitz, Markus Wimmer
Corresponding Author: Kharma Foucher
Rush University Medical Center
P9-45 Origins of the long-range correlations in stride times
Jonathan Dingwell, Deanna Gates, Jimmy Su
Corresponding Author: Deanna Gates
University of Texas at Austin
P9-46 The short-term effect of whole body vibration training on collegiate sprint athletes
Mike Bishop, Iain Hunter, Brad Roberts, Robert Thiebaud
Corresponding Author: Iain Hunter
Brigham Young University
P9-47 How precise is the hip joint centre position found using functional methods?
Richard Good, Julie Stebbins, Tim N. Theologis, Amy B. Zavatsky
Corresponding Author: Amy B. Zavatsky
University of Oxford
P9-48 Comparison of Two Alternate Methods for Tracking Toe Trajectory
Rachel Brady, Chris Miller, Ajitkumar Mulavara, Brian Peters, Liz Warren
Corresponding Author: Chris Miller
Wyle Laboratories; Houston, TX
Friday, August 24, 2007 4:30 - 6:15 PM
Poster 10: Manipulation
Memorial Auditorium
P10-1 The effect of handle friction and torque on axial push force
Thomas Armstrong, Yoko Konishi, Na Jin Seo
Corresponding Author: Na Jin Seo
University of Michigan
P10-2 Principal component analysis reveals control strategies in static grasp at multiple time scales
Daniel Brown, Francisco Valero-Cuevas
Corresponding Author: Francisco Valero-Cuevas
Cornell University & University of Southern California
P10-3 Asymmetry of wheelchair pushrim biomechanics over varying surfaces
Kai-Nan An, Kenton Kaufman, Melissa Morrow
Corresponding Author: Kenton Kaufman
Mayo Clinic
P10-4 Reference hand configurations during grip force adjustments
Sun W Kim, Mark L. Latash, Vladimir M. Zatsiorsky
Corresponding Author: Mark L. Latash
Penn State University
P10-5 Coactivation of hand muscles and movement fluctuations in old adults
Roger Enoka, Adam Marmon, Minoru Shinohara
Corresponding Author: Minoru Shinohara
Georgia Institute of Technology
P10-6 Analysis of strains in extensor mechanism of index finger
Hua Chen, Derek Kamper, Sang Wook Lee, Joseph Towles
Corresponding Author: Sang Wook Lee
Rehabilitation Institute of Chicago
P10-7 Quantitative analysis of finger movements during reaching and grasping tasks
Thomas Armstrong, Jaewon Choi
Corresponding Author: Jaewon Choi
University of Michigan
P10-8 Effective moment arm estimation of index finger muscles
Hua Chen, Derek Kamper, Sang Wook Lee, Joseph Towles
Corresponding Author: Sang Wook Lee
Rehabilitation Institute of Chicago
P10-9 Simultaneous performance of two tasks by the fingers of the human hand
Mark Latash, John Scholz, Vladimir Zatsiorsky, Wei Zhang
Corresponding Author: Wei Zhang
The Penn State University
P10-10 Prehension Synergies: Effects of Finger Manipulation
Mark Budgeon, Mark Latash, Vladimir Zatsiorsky
Corresponding Author: Mark Budgeon
Pennsylvania State University
P10-11 Upper Extremity Kinematic Model for Walker Assisted Gait
Jeffrey Ackman, Kevin Cao, Jeffrey Schwab, Kelly Strifling, Mei Wang
Corresponding Author: Kelly Strifling
Marquette University
P10-12 Effect of elevation angle on movement velocity in a non-visually-guided reaching task
David Harmer, David Suprak
Corresponding Author: David Harmer
University of Colorado, Colorado Springs
P10-13 Prehension of the objects with complex friction patterns
Mark Latash, Xun Niu, Vladimir Zatsiorsky
Corresponding Author: Xun Niu
The Pennsylvania State University