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KMID : 1012020230120030214
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Physical Therapy Rehabilitation Science
2023 Volume.12 No. 3 p.214 ~ p.221
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Effect of 4 Weeks of Pilates Exercise in Women using Light LED EMG Feedback System on Posture and Balance; Randomized Controlled Trial
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Youn Jeong-Eun
Park Dae-Sung
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Abstract
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Objective : This study aimed to assess the impact of using the LED light electromyographyfeedback system (EMG-light) during Pilates exercises in women to maintain consistent muscle contraction in the abdominal external oblique muscles and reduce muscle contraction in the upper trapezius muscles. This study compared Pilates training using the EMG-light with Pilates training only in healthy women for 4 weeks.
Design : This study was conducted as a cross-sectional study.
Methods : A total of 17 healthy women were divided into an experimental group (n＝9) and a control group (n＝8). Both groups performed Pilates exercises as assigned, twice per week for four weeks, with each session lasting fifty minutes. The experimental group were used the EMG-light feedback system during pilates exercise while the control group did not use EMG-light. We used cervical vertebral angle (CVA), shoulder tilt angle to evaluate neck posture and standing balance with closed eye for 30s before and after exercise.
Results : The control group exhibited a significant change in CVA (p<0.05). Both groups showed significant changes in shoulder tilt, center of pressure (COP) path-length, and COP velocity during eyes-closed conditions (p<0.05). However, there were significant differences between the experimental and control groups in terms of CVA, shoulder tilt, COP path-length, and COP velocity.
Conclusions : This study demonstrated that Pilates exercises had positive effects on shoulder posture and balance. The use of EMG-light provided real-time visual feedback on muscle contraction during Pilates exercise. However, the experimental group did not show significant improvements compared to the control group, which performed Pilates exercises without feedback.
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KEYWORD
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Electromyography, Exercise Movement Techniques, Biofeed Feedback, Postural Balance
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