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Abstract
We investigated the effects of electrical muscle stimulationon waist circumference as compared with an identical device providing transcutaneous electrical nerve stimulation as control in adults with abdominal obesity. This was a randomized, double-blind, sham-controlled trial. Sixty patients with abdominal obesity received electrical muscle stimulation or transcutaneous electrical nerve stimulation randomly five times a week for 12 weeks. The electrical muscle stimulationgroup achieved a mean 5.2±2.8 cm decrease in waist circumference while the transcutaneous electrical nerve stimulation group showed only a 2.9±3.3 cm decrease (P=0.005). About 20 (70.0%) of the electrical muscle stimulation group lost more than 4 cm of waist circumference but that only 8 (33.3%) of the transcutaneous electrical nerve stimulation group did so (P=0.008). Furthermore, fasting free fasting acid levels were significantly higher in the electrical muscle stimulation than in the transcutaneous electrical nerve stimulationgroup at week 12 (P=0.006). In the electrical muscle stimulation group, slight decreases in visceral abdominal fat and total abdominal fat areas by computer tomography were observed at 12 weeks, but these decreases were not significant. In addition, patients' self-rated satisfaction scores with this program were significantly higher in the electrical muscle stimulation group. The 12-week electrical muscle stimulation program modestly reduced waist circumference in abdominally obese adults without side effects.
Highlights
We investigated the effects of electrical muscle stimulationon waist circumference as compared with an identical device providing transcutaneous electrical nerve stimulation as control in adults with abdominal obesity
Participants were divided into subgroups according to degree of waist circumference (WC) loss (4 cm), 20 (70.0%) of the electrical muscle stimulation (EMS) group were found to have lost >4 cm of WC, while only 8 (33.3% )of the control group did so (P=0.008, Figure 2b)
No intergroup differences were found for abdominal fat distribution or other metabolic and biochemical characteristics throughout the trial period (Table 3)
Summary
We investigated the effects of electrical muscle stimulationon waist circumference as compared with an identical device providing transcutaneous electrical nerve stimulation as control in adults with abdominal obesity. Choi et al Effects of Electrical Muscle Stimulation on Waist Circumference in Adults with Abdominal Obesity: A Randomized,. Recently introduced as a treatment tool for abdominal obesity.[4] Initially, EMS was introduced as training program tool to improve muscular strength, but it is used for muscle rehabilitation, treat obesity and improve body shape.[5,6] EMS has been suggested to promote the formation of adenosine triphosphate,[7] increase oxygen intake,[8] decrease body fat by increasing muscle strength, improve blood circulation, accelerate waste product excretion though the lymphatic system,[5] stimulate cell regeneration,[9] and increase metabolic rate by increasing local temperature.[10] a previous clinical trial reported reduced waist circumference (WC) after 8 weeks of EMS,[11] no randomized controlled trial has evaluated the effect of EMS on obesity or regional fat distribution
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