期刊
JOURNAL OF MOTOR BEHAVIOR
卷 49, 期 1, 页码 55-66出版社
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/00222895.2016.1191416
关键词
EMG; hand; power grip; sensory deficit; stroke
资金
- American Heart Association Midwest Affiliate Predoctoral Fellowship [12PRE9320004]
- American Society of Biomechanics
- University of Wisconsin-Milwaukee Research Growth Initiative
- Mary E. Switzer Distinguished Fellowship from the National Institute on Disability and Rehabilitation Research [H133F110005]
- National Center for Advancing Translational Sciences, National Institutes of Health [8UL1TR000055]
The effect of sensory deficits on power grip force from individual phalanges was examined. The authors found that stroke survivors with sensory deficits (determined by the Semmes-Weinstein monofilament test) gripped with phalanx force directed more tangential to the object surface, than those without, although both groups had similar motor deficits (Chedoke-McMaster and Fugl-Meyer), grip strength, and skin friction. Altered grip force direction elevates risk of finger slippage against the object thus grip loss/object dropping, hindering activities of daily living. Altered grip force direction was associated with altered muscle activation patterns. In summary, the motor impairment level alone may not describe hand motor control in detail. Information about sensory deficits helps elucidate patients' hand motor control with functional relevance.
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