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Shoulder Muscle Recruitment in Wheelchair Propulsion at Varying Speeds

Analysis of shoulder muscle recruitment patterns in wheelchair propulsion at slow and fast speeds. Data from multiple subjects was used to determine the effects of velocity on muscle activation. Study published in JRRD, 2012.

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Shoulder Muscle Recruitment in Wheelchair Propulsion at Varying Speeds

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  1. Figure 3. Principal component loading scores for first principal component (PCI) and second principal component (PCII) from different shoulder muscles during wheelchair propulsion at slow speed (solid triangle) and fast speed (open circle). The 20 points on each graph represent 20 time windows within each propulsion cycle. Data were averaged over all subjects. AD = anteriordeltoid, BB = biceps brachii, MD = middle deltoid, PD = posterior deltoid, PM = pectoralis major, TB = triceps brachii, UT = upper trapezius. Qi L, Wakeling J, Grange S, Ferguson-Pell M. Effect of velocity on shoulder muscle recruitment patterns during wheelchair propulsion in nondisabled individuals: Pilot study. J Rehabil Res Dev. 2012;49(10):1527–36.http://dx.doi.org/10.1682/JRRD.2011.03.0047

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