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Updated: Mar 2, 2026
Robotic Mirror Therapy System for Functional Recovery of Hemiplegic Arms
Published on: August 15, 2016
Task-based mirror therapy enhances ipsilesional motor functions in stroke: A pilot study
Kamal Narayan Arya1, Shanta Pandian1, Dharmendra Kumar1
1Pandit Deendayal Upadhyaya Institute for the Physically Handicapped, 4 VD Marg, New Delhi 110002, India.
Objective:
To examine the effect of Mirror therapy (MT) on dexterity, coordination, and muscle strength of the less-affected upper limb in stroke.
Design:
Pre-test post-test, single group, experimental design.
Setting:
Rehabilitation institute.
Participants:
Post-stroke hemiparetic chronic subjects (N = 21).
Interventions:
Forty sessions of MT using various tasks in addition to the conventional rehabilitation. Tasks such as lifting a glass, ball-squeezing, and picking-up objects were performed by the less-affected side in front of the mirror-box creating an illusion for the affected side.
Main Outcome Measures:
Minnesota Manual Dexterity Test (MMDT), Purdue Peg Board Test (PPBT), and Manual Muscle Testing (MMT) were used to measure the deficits of the less-affected side.
Result:
Post-intervention, the less-affected side of the participants exhibited significant improvement on MMDT (p < 0.001), PPBT (p < 0.001), and MMT (shoulder flexors, wrist extensors and deviators, and finger flexors-extensors; p = 0.005-0.046).
Conclusion:
In post-stroke hemiparesis, MT also led to the improvement in dexterity, coordination, and strength of the less-affected side. In addition to the affected side, the technique may augment the subtle motor deficits of the less-affected side.
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