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Keyword: gait
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Journal Articles
Article Type: Research-Article
J Biomech Eng. August 2019, 141(8): 081012.
Paper No: BIO-18-1416
Published Online: May 23, 2019
.... Manuscript received September 20, 2018; final manuscript received April 17, 2019; published online May 23, 2019. Assoc. Editor: Paul Rullkoetter. 20 09 2018 17 04 2019 gait knee kinematics secondary knee motion bi-planar fluoroscopy Kinematics and kinetics of the knee joint...
Topics: Kinematics, Knee
Journal Articles
Article Type: Review Articles
J Biomech Eng. July 2019, 141(7): 070801.
Paper No: BIO-18-1056
Published Online: May 23, 2019
.... Editor: Paul Rullkoetter. 30 01 2018 16 11 2018 gait biomechanics stability amputee poststroke rehabilitation Human movement can be exceedingly complex to analyze due to highly nonlinear multibody dynamics, nonlinear relationships between muscle excitations and resulting...
Journal Articles
Article Type: Research-Article
J Biomech Eng. December 2018, 140(12): 121005.
Paper No: BIO-17-1597
Published Online: September 25, 2018
...Rakesh Pilkar; Arvind Ramanujam; Kathleen Chervin; Gail F. Forrest; Karen J. Nolan In the absence of standardized symmetry assessments, quantifying symmetry based on the kinematic evolution of lower extremity joints can elucidate gait irregularities. The objective was to develop a novel cyclogram...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. December 2018, 140(12): 124501.
Paper No: BIO-17-1460
Published Online: September 25, 2018
... reference material that can inspire and guide future studies of nonlinear gait dynamics. 1 Corresponding author. Manuscript received October 11, 2017; final manuscript received July 23, 2018; published online September 25, 2018. Assoc. Editor: Tammy L. Haut Donahue. 11 10 2017 23 07...
Includes: Supplementary data
Journal Articles
Article Type: Design Innovation Paper
J Biomech Eng. March 2014, 136(3): 035002.
Paper No: BIO-13-1098
Published Online: February 13, 2014
...-effectors would enable studies at other joints or with additional degrees of freedom. prosthetic foot design biomechanics walking amputee gait Individuals with lower-limb disabilities experience reduced mobility and quality of life compared to their able-bodied counterparts. Major lower...
Journal Articles
Article Type: Research-Article
J Biomech Eng. February 2014, 136(2): 021031.
Paper No: BIO-13-1427
Published Online: February 5, 2014
... reduced prediction sensitivity to uncertainties in muscle model parameter values. gait biomechanics electromyography static optimization instrumented implant in vivo knee loads musculoskeletal model Knowledge of subject-specific joint contact and muscle forces during activities of...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J Biomech Eng. February 2013, 135(2): 021012.
Paper No: BIO-12-1460
Published Online: February 7, 2013
... competitions are planned for the 2013 and 2014 conferences. Each year of the competition, a comprehensive data set collected from a single subject implanted with a force-measuring knee replacement is released. Competitors predict medial and lateral knee contact forces for two gait trials without knowledge of...
Journal Articles
Article Type: Research-Article
J Biomech Eng. February 2013, 135(2): 021013.
Paper No: BIO-12-1441
Published Online: February 7, 2013
... are developed. computational simulation gait tibiofemoral loads Since the introduction of total knee replacements (TKR) in the 1970 s, prediction of postoperative function and implant loading has been a central concern of both clinicians and manufacturers. More than 4.5 million...
Journal Articles
Article Type: Research Papers
J Biomech Eng. November 2012, 134(11): 111005.
Published Online: October 26, 2012
...Nicholas P. Fey; Glenn K. Klute; Richard R. Neptune Unilateral below-knee amputees develop abnormal gait characteristics that include bilateral asymmetries and an elevated metabolic cost relative to non-amputees. In addition, long-term prosthesis use has been linked to an increased prevalence of...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. August 2012, 134(8): 084502.
Published Online: August 6, 2012
... compare two goniometric devices: a traditional strain-gauge flexible goniometer, and a fiberoptic flexible goniometer, for measuring dynamic knee flexion/extension angles during activity of daily living: chair rise, and gait; and exercise: deep knee bends, against joint angles computed from a “gold...
Journal Articles
Article Type: Research Papers
J Biomech Eng. January 2012, 134(1): 011010.
Published Online: February 9, 2012
... decision making process for an optimal intervention aimed at reducing the load on the medial compartment of the knee during walking. However, these promising findings originated from studies on healthy subjects and their relevance for gait training interventions in patients with presumably painful knee...
Topics: Knee, Stress
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. May 2011, 133(5): 054501.
Published Online: May 17, 2011
... possible with improvements in robot technology and in vivo measuring techniques. A motion analysis system has been used to measure the motions of the tibia and femur of the ovine stifle joint during normal gait. These in vivo motions are then reproduced with a parallel robot. To ensure that the motion of...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. November 2010, 132(11): 114503.
Published Online: October 12, 2010
... 09 2010 10 09 2010 12 10 2010 12 10 2010 biomechanics kinematics mean square error methods propulsion vectors wheelchairs gait knee inverse dynamics nonorthogonal coordinate base shoulder wheelchair propulsion The use of a joint coordinate system (JCS...
Journal Articles
Article Type: Design Innovations
J Biomech Eng. January 2010, 132(1): 015001.
Published Online: December 18, 2009
... improve amputee gait. However, the clinical efficacy of ESAR feet has been inconsistent, which could be due to inappropriate stiffness levels prescribed for a given amputee. Although a number of studies have analyzed the effect of ESAR feet on gait performance, the relationships between the stiffness...
Journal Articles
Article Type: Research Papers
J Biomech Eng. September 2009, 131(9): 091005.
Published Online: August 5, 2009
... during the Apollo missions may have influenced the dynamic balance of the gait pattern. This investigation explored potential issues with the PLSS design that may arise during the Mars exploration. A better understanding of how the location of the PLSS load influences the dynamic stability of the gait...
Journal Articles
Article Type: Research Papers
J Biomech Eng. March 2009, 131(3): 031005.
Published Online: January 6, 2009
... the use and application of forward dynamic models for simulating human gait. In this study, we introduce an optimal estimation approach to efficiently solve for generalized accelerations that satisfy the overall equations of motion and best agree with measured kinematics and ground reaction forces...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. March 2009, 131(3): 034501.
Published Online: December 23, 2008
...Brian C. Glaister; Jason A. Schoen; Michael S. Orendurff; Glenn K. Klute In order to protect sensitive residual limb soft tissues, lower limb prostheses need to control torsional loads during gait. To assist with the design of a torsional prosthesis, this paper used simple mechanical elements to...
Journal Articles
Article Type: Research Papers
J Biomech Eng. January 2009, 131(1): 011013.
Published Online: November 26, 2008
... radius, impact angle, and limb stiffness on spatiotemporal gait characteristics, ground reactions, and center-of-pressure excursions. We also evaluated the potential of the improved model to predict speed-dependent changes in ground reaction forces and center-of-pressure excursions observed during normal...
Journal Articles
Article Type: Technical Papers
J Biomech Eng. October 2007, 129(5): 743–749.
Published Online: May 1, 2007
... coordinate measuring machine. A parallel robot configuration was chosen over the conventional serial manipulator because of its greater accuracy and stiffness. Median normal gait kinematics were applied to the joint and the resulting accuracy compared. The mean error in reproduction as determined by the...
Journal Articles
Article Type: Technical Papers
J Biomech Eng. April 2007, 129(2): 216–222.
Published Online: December 1, 2006
.... Our results detail how chaos can be used as a control scheme for locomotion. 27 02 2004 01 12 2006 gait analysis bone bifurcation biocontrol locomotion gait chaos fractals variability passive dynamics Human locomotion is typically described as having a periodic...