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Title:Shoulder pain and cycle to cycle kinematic spatial variability during recovery phase in manual wheelchair users
Author(s):Jayaraman, Chandrasekaran
Advisor(s):Sosnoff, Jacob J.
Department / Program:Kinesiology & Community Health
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):motor variability
wheelchair propulsion
motor control
principal component analysis
Abstract:Wheelchair propulsion plays a significant role in the development of shoulder pain in manual wheelchair users (MWU). However wheelchair propulsion metrics related to shoulder pain are not clearly understood. This investigation examined intra-individual kinematic spatial variability during semi-circular wheelchair propulsion as a function of shoulder pain in MWU. Data from 10 experienced adult MWU with spinal cord injury (5 with shoulder pain; 5 without shoulder pain) was analyzed in this study. Participants propelled their own wheelchairs on a dynamometer at 3 distinct speeds (self-selected, 0.7 m/s, 1.1 m/s) for 3 minutes at each speed. Motion capture data of the upper limbs were recorded. Intra-individual kinematic spatial variability of the steady state wrist motion during the recovery phase was determined using principal component analysis (PCA). The kinematic spatial variability was calculated at every 10% intervals (i.e. at 11 interval points, from 0% to 100%) along the wrist recovery path.
Issue Date:2014-09-16
Rights Information:Copyright 2014 Chandrasekaran Jayaraman
Date Available in IDEALS:2014-09-16
Date Deposited:2014-08

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