Working Paper Article Version 1 This version is not peer-reviewed

The Effects of Aerobic Dancing with Whole Body Electromyostimulation on Body Composition and Biomarkers of Obese Elderly Women

Version 1 : Received: 27 November 2019 / Approved: 29 November 2019 / Online: 29 November 2019 (02:55:59 CET)

How to cite: Park, J.; Ham, A.; Jee, Y. The Effects of Aerobic Dancing with Whole Body Electromyostimulation on Body Composition and Biomarkers of Obese Elderly Women. Preprints 2019, 2019110365 Park, J.; Ham, A.; Jee, Y. The Effects of Aerobic Dancing with Whole Body Electromyostimulation on Body Composition and Biomarkers of Obese Elderly Women. Preprints 2019, 2019110365

Abstract

Background and Objective: Although whole body-electromyostimulation (WB-EMS) has been shown to favorably improve body composition in several research studies, it has not been confirmed how it affects adipose tissue-derived biomarkers and circumferences of the abdomen and thighs. Materials and Methods: Twenty participants of obese elderly women were randomly classified into an EMS group (EMSG; n = 10) or a non-EMS group (CON; n = 10). The WB-EMS suits used in this study enabled the simultaneous activation of 8 muscle groups with selectable intensities for each phase. Stimulation frequency was selected at 85 Hz, impulse-width at 350 μ seconds, and impulse-rise as a rectangular application. Impulse duration was 6 seconds with a 4-second break between impulses. The EMS sessions were combined with aerobic dancing 3 times a week for 12 weeks. Both groups received the same program; however, the CON did not receive electrical stimuli. Biomarkers and body composition including circumferences of the abdomen and thighs were measured on Week 0 and Week 12. Results: Compared with the CON, 1) a significant effect of the EMS-intervention concerning decreased body weight (p = 0.032) and increased basal metabolic rate (p = 0.029) were evident. The thigh subcutaneous fat and total fat of EMSG were not significantly changed, but those of CON were significantly increased after 12 weeks. 2) The biomarkers of CON either increased or showed no change, although the interleukin (IL)-6 was significantly (p = 0.028) decreased in EMSG. Specifically, C-reactive protein (CRP; p = 0.005) and alpha-fetoprotein (p = 0.050) of CON were significantly increased after 12 weeks. In addition, the IL-6 (p = 0.034), CRP (p = 0.001), carcinoembryonic antigen (p = 0.017), and low density lipoprotein (p = 0.005) of EMSG were lower than those of CON in the end of experiment. 3) Conclusions: The results indicate that EMS intervention improved body composition and reduced negative biomarkers, thus highlighting its effectiveness.

Subject Areas

aerobic dance; electromyostimulation; interleukin-6; C-reactive protein

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