M.D. Ellis

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Abnormal upper extremity coordination can be expressed in the form of atypical muscle synergies that result in limited and stereotypic movement patterns when an individual with hemiparetic stroke attempts to support the arm against gravity. These movement constraints are functionally disabling. We have developed and are employing the Arm Coordination(More)
The effect of gravity on the expression elbow/shoulder synergy patterns results in discoordination during movements following stroke. This is believed to be related to the shoulder abduction torques generated when lifting the arm against gravity, which results in a concurrent elbow flexion (i.e., the flexion synergy). The Arm Coordination Training 3-D (ACT(More)
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