Cognitive motor interference for gait and balance after stroke

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BACKGROUND AND OBJECTIVE

Cognitive motor interference (CMI) occurs when cognitive and motor tasks are performed simultaneously. This technique has been used to enhance treatment in sports rehabilitation medicine. This literature review and meta-analysis investigated the efficacy of CMI for improving gait and balance in patients with stroke.

METHODS

A literature search of multiple databases was made for randomized, controlled trials published from 1972 to 2014, including adult stroke patients treated with CMI and a control group. Outcome measures included assessments of gait and balance, with secondary outcomes including activities of daily living and functional independence measures.

RESULTS

Data were included from 15 RTCs for 395 participants. The results indicated that CMI was better than the control for improving gait speed (P<0.003), stride length (P<0.004) and cadence (P=0.001). In studies of balance, CMI was better than the control in improving center of pressure sway area (P=0.01) and performance on the Berg Balance Scale (P=0.02).

CONCLUSION

This literature review found that, among patients with stroke, treatment with cognitive motor interference results in improvements on multiple measures of gait and balance.

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