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kloostermanf05

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kloostermanf05

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  1. Figure 5. Mean muscle activation pattern of reach and retrieval task with and without Freebal (Fb). Conditions with (dotted line) and without (solid line) gravity compensation were plotted in same graph. Smooth rectified surface electromyography (sEMG) (microvolt) of eight measured muscles and corresponding joint angles (°) was plotted against average movement cycle, divided into reach (1%–50%) and retrieval (51%–100%). (a) Activation patterns of subject with identification (ID) number 9. Amplitude of sEMG of antigravity muscles decreased with use of Fb, except descending part of trapezius. (b) Activation pattern of subject with ID number 2. Amplitude of sEMG of antigravity muscles decreased and amplitude of sEMG in triceps increased with use of Fb. Kloosterman MGM, Snoek GJ, Kouwenhoven M, Nene AV, Jannink MJA. Influence of gravity compensation on kinematics and muscle activation patterns during reach and retrieval in subjects with cervical spinal cord injury: An explorative study. J Rehabil Res Dev. 2010;47(7): 617–28. DOI:10.1682/JRRD.2010.02.0014

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