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KMID : 1211620190140020125
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Journal of the Korean Society of Physical Medicine
2019 Volume.14 No. 2 p.125 ~ p.135
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Effects of Neuromuscular Electrical Stimulation Training on Abdominal Fat, Trunk Muscle Thickness and Activity in Middle-Aged Women with Abdominal Obesity
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Yoo Seung-Ah
Yoo Kee-Ung
Lim Chang-Ha
Kim Chang-Yong
Kim Hyeong-Dong
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Abstract
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PURPOSE: This study examined the effects of low frequency neuromuscular electrical stimulation (NMES) training on abdominal obesity in middle-aged women through electromyography and ultrasound.
METHODS: Twenty-two middle aged women with abdominal obesity participated in the study. A low-frequency NMES device was used on the abdomen and waist of each subject for 20 minutes each (a total of 40 minutes) three times a week for eight weeks. The waist-hip ratio (WHR), weight and BMI (Body Mass Index) were measured. Electromyography (EMG) and ultrasound measurements were performed three times in total (pre-intervention, four weeks into the intervention, and eight weeks post-intervention) to examine the effects of low-frequency NMES on the abdominal muscle activity, muscle thickness, and subcutaneous fat.
RESULTS: The results indicated a difference in the WHR and waist circumference before and after intervention (p< .05). The external oblique muscle (EO) showed a significant increase in muscle activity during all measurements taken post-intervention (p<.05). The abdominal subcutaneous fat thickness also showed a significant decrease between each measurement (p<.05). The test results showed that the abdominal subcutaneous fat thickness values taken eight weeks post-intervention were significantly lower than those taken pre-intervention and four weeks into the intervention (p<.05).
CONCLUSION: These findings show that low-frequency NMES device training can be applied to middle-aged women with abdominal obesity to improve their body shape and exercise performance.
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KEYWORD
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Abdominal obesity, Neuromuscular electrical stimulation (NMES), Fat, Thickness, Women
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