In many cases, this results in an altered generation of muscle activity, which may present as weakness, co-contraction and disturbed timing. Due to hemorrhagic or ischemic damage to brain tissue, motor planning and the integration of sensorimotor information are degraded. Stroke is one of the main causes of disability in Europe and North America. ![]() The used training setup is simple and affordable and is therefore suitable to use in clinical settings. More research is needed to study working mechanisms involved in post stroke rehabilitation training. ConclusionsĪ decreased strength of involuntary coupling might contribute to the increased arm function after training. Roundness of the drawn circles and the occurrence of synergistic movement patterns remained similar after the training. The training led to significantly increased work area of the hemiparetic arm, as indicated by the normalized circle area. Median increase of Fugl-Meyer scores was 3 points after training. Synergistic movement patterns were identified based on concurrent changes in shoulder elevation and elbow flexion/extension angles. ![]() Before and after training arm function was assessed with the Fugl-Meyer assessment and a standardized, unsupported circle drawing task. During training a motivating computer game was played. Seven chronic stroke patients received 18 half-hour sessions of gravity compensated reach training, in a period of six weeks. The goal of the present study is to examine whether gravity compensated training improves unsupported arm function. Gravity compensation of the arm instantaneously affects abnormal synergistic movement patterns. ![]() The majority of stroke patients have to cope with impaired arm function.
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