Clinical relevance of action observation in upper-limb stroke rehabilitation: A possible role in recovery of functional dexterity. A randomized clinical trial
2012
Objective. A randomized controlled observer-blind trial was designed to evaluate the effectiveness of action observation as an add-on treatment to the standard rehabilitation of upper-limb function, early after stroke. Methods. Stroke survivors (N = 102) were consecutively recruited from 13 centers 30 days (±7) after a first-ever stroke and randomly assigned to the experimental (EG) or control group (CG). EG participants watched video footage of daily routine tasks (actions) carried out with the upper limb in order to prepare to imitate the presented action. At the end of each sequence, a therapist prompted the patient to perform the same movement for 2 minutes, providing help when needed. Static images without animals or human beings were shown to the CG. At the end of each sequence, the CG executed movements that simulated the shoulder and elbow joint mobilization activities performed by the EG. Results for the Fugl-Meyer test, Frenchay Arm test, Box and Block test (BBT), Modified Ashworth Scale, and Fu...
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