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KMID : 1211620230180030065
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Journal of the Korean Society of Physical Medicine
2023 Volume.18 No. 3 p.65 ~ p.72
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Effects of Bilateral Arm Motor Coordination Exercises Conducted on Unstable Support Surfaces on Leg Muscle Activity and Balance in Stroke Patients
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Kang Jeong-Il
Jeong Dae-Keun
Baek Seung-Yun
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Abstract
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PURPOSE: This study assessed the influence of bilateral coordination exercises on unstable support surfaces on leg muscle activation and balance in stroke patients.
METHODS: Two groups were recruited for comparison: an experimental group of 10 individuals who performed bilateral coordination exercises on unstable surfaces and a control group of 10 individuals who performed the same exercises on stable surfaces. All participants were assigned randomly. Pre-tests were conducted to measure the leg muscle activation and balance levels of the participants prior to the experiment. The intervention was comprised of three 30-minute weekly sessions for four weeks, followed by a post-test after the four-week period.
RESULTS: Significant differences were identified within the experimental group in relation to all muscles (p < .01) and balance (p < .05). Within the control group, significant differences were identified in relation to the rectus femoris muscle, biceps femoris muscle, and balance (p < .05). Significant differences between the two groups were only observed in relation to the tibialis anterior and soleus muscles (p < .05).
CONCLUSION: Only the tibialis anterior and soleus muscles showed significant differences between the two groups. This effectiveness may be attributed to using an ankle strategy to maintain body balance during exercise on unstable surfaces.
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KEYWORD
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Ankle strategy, Balance, Muscle activity, Stroke
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