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KMID : 1195020170130020047
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Archives of Orthopedic and Sports Physical Therapy
2017 Volume.13 No. 2 p.47 ~ p.53
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Effects of Integrated Treatment with LED and Microcurrent on Performance and Fatigue in the Calf Muscle and Performance during Moderate Aerobic Exercise
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Han Sang-Wan
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Abstract
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The purpose of this study was to investigate the treatment effect of LED and microcurrent therapy on gastrocnemius muscle performance and activity and fatigue in the gastrocnemius muscle during moderate aerobic exercise. This study included 20 students of G university, and the subjects were randomized into a control group (n=10) and an experimental group (n=10). Both groups walked on a treadmill for 30 minutes with a set speed of 5 km/hr with a 10% incline. Participants in the experience group used a treatment device combining LED and microcurrent therapy attached to the gastrocnemius muscle of the main shaft leg, while the control group performed the same exercise without any intervention. One-leg vertical jump and surface electromyography were performed with BTS FREE EMG 300 to measure muscle activity and muscle fatigue. Data were analyzed using SPSS 21.0, and repeated measures analysis of variance was performed to determine the significance between the two groups. The statistical significance was determined at α = .05. There was a significant decrease in the one-leg vertical jump in the control group, whereas the experimental group showed a slight increase. There was no significant difference in gastrocnemius muscle activity between the groups; however, both groups showed an increase in muscle activity. There were significant differences between the two groups in muscle fatigue. Additionally, there was a significant difference in the test time between the pre- and post-test results between the groups; however, there was a significant difference between pre- and post-test results. This treatment may improve comfort in daily life by applying this device to areas of the body that sustain a heavy workload.
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KEYWORD
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Light emitting diode, Microcurrent, Muscle fatigue, One leg vertical jump
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