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Key Movement Overview:
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The movement in this example does involve some elbow flexion, but not actively, as the participant’s paretic arm remains in a fixed flexed position due to spasticity.
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The movement does not intentionally involve a shoulder shrug (scapular elevation) however, this movement may result in some involuntary scapular elevation as a compensatory response.
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Primary compensation occurs through slight trunk flexion (leaning forward) and lateral displacement (shifting sideways) to generate the necessary momentum to activate the switch.
• • The arm movement can be seen to be slightly controlled when the movement sequence has finished, and the arm returns back to the lap.
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