Browse the latest research summaries in the field of biomechanics for spinal cord injury patients and caregivers.
Showing 111-120 of 209 results
Frontiers in Bioengineering and Biotechnology, 2014 • December 23, 2014
This study investigated the acute effects of high- and low-intensity wheelchair propulsion on shoulder joint kinetics and ultrasound parameters in manual wheelchair users with spinal cord injury. The ...
KEY FINDING: Shoulder joint forces were greater in the high-intensity propulsion task compared to the low-intensity task.
BioMed Research International, 2015 • January 1, 2015
The study quantified the trunk and shoulder kinematic changes along with the shoulder joint moments and electromyographic changes during manual wheelchair (MWC) propulsion on a motorized treadmill set...
KEY FINDING: Forward trunk flexion and shoulder flexion increased as the slope became steeper during wheelchair propulsion on a motorized treadmill.
Journal of NeuroEngineering and Rehabilitation, 2015 • January 30, 2015
SCI participants efficiently execute a broad range of upper limb tasks. Kinematic evidence shows that, even after SCI, movements are planned and executed according to strong kinematic invariants like ...
KEY FINDING: Elbow extension without the triceps relies on increased shoulder movements, creating a dynamic link between shoulder and elbow function.
BioMed Research International, 2015 • January 1, 2015
This study evaluated the upper extremity joint dynamics during pediatric wheelchair mobility using advanced biomechanical methods. Twelve subjects with SCI propelled their wheelchair at a self-selecte...
KEY FINDING: The glenohumeral joint (shoulder) displayed the largest average range of motion at 47.1 degrees in the sagittal plane.
PLoS ONE, 2015 • March 26, 2015
The study investigates the wear behavior of TKR under various daily activities using in vivo measured loading. It standardizes and simplifies complex loading profiles to simulate activities like walk...
KEY FINDING: In vivo walking produced the highest overall wear rates, which were determined to be three times higher than ISO walking.
Applied Bionics and Biomechanics, 2017 • September 5, 2017
This research presents the design and preliminary results of a wearable elbow exoskeleton that utilizes shape memory alloy (SMA) wires for actuation. The device aims to address limitations of existing...
KEY FINDING: The developed SMA-actuated exoskeleton achieves a low weight of approximately 0.6 kg, enhancing comfort and portability for medical rehabilitation.
J Neurosci Methods, 2015 • September 30, 2015
The study addresses the confounding factor of velocity dependence in gait measurements by introducing novel techniques to quantify and analyze how gait parameters change with velocity in rats. By tran...
KEY FINDING: Rats exhibit greater step consistency at higher velocities.
Med Biol Eng Comput, 2016 • January 1, 2016
This simulation study investigates the potential of restoring leaning postures with FNS following SCI using a 3-D computer model of standing. The results indicate that a control paradigm outputting op...
KEY FINDING: Feedback control of muscle stimulation, guided by body movement data, outperforms constant, maximal stimulation in maintaining balance while leaning.
J Biomech, 2015 • October 15, 2015
This study optimized proportional-derivative (PD) controller gain sets on a 3-dimensional biomechanical arm model for goal-oriented reaching movements. The optimized controllers demonstrated significa...
KEY FINDING: Optimization of PD controllers can lead to significant improvements in accuracy for upper extremity movements in a 3D biomechanical arm model.
Journal of NeuroEngineering and Rehabilitation, 2012 • February 3, 2012
This study developed and tested a relative threshold-based algorithm to automatically detect four distinct phases of sitting pivot transfers (SPTs) in individuals with spinal cord injuries, using kine...
KEY FINDING: The relative threshold-based algorithm accurately and repeatably detected four distinct phases of SPT: pre-lift, upper arm loading, lift-pivot, and post-lift.