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J Mot Behav. 2016 Jul-Aug;48(4):348-56. doi: 10.1080/00222895.2015.1098585. Epub 2016 Jan 5.

Motor Control Performance During Rapid Voluntary Movements of Elbow and Knee.

Author information

1
a Center for Neuromotor and Biomechanics Research , Department of Health and Human Performance, University of Houston , Texas.

Abstract

Knowledge of motor control differences during rapid goal-directed movements of the upper and lower limbs could be useful in improving rehabilitation protocols. The authors investigated performance and control differences between elbow and knee joints and between different contraction types (concentric vs. eccentric) during rapid movements under externally applied load. There were no significant differences in performance and control with respect to joint (elbow vs. knee) but the performance during concentric contractions was better than eccentric for both the joints. The findings indicate that despite anatomical and functional differences, the CNS is finely tuned for both the joints to maximize the efficiency of movement during a dynamic environment, but there are differences in control strategies between the 2 contraction types.

KEYWORDS:

concentric versus eccentric; goal-directed; motor performance; rapid contractions; single-joint

PMID:
26731048
DOI:
10.1080/00222895.2015.1098585
[Indexed for MEDLINE]

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