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Impact of whole body electromyostimulation on velocity, power and body composition in postmenopausal women: a randomized controlled trial
Pano-Rodriguez A, Beltran-Garrido JV, Hernandez-Gonzalez V, Nasarre-Nacenta N, Reverter-Masia J
International Journal of Environmental Research & Public Health 2020 Jul;17(14):4982
clinical trial
6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: Yes; Between-group comparisons: No; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

Menopause is associated with losses in strength and power along with weight and fat mass gains, which may result from menopause-related hormonal changes, aging-associated diseases, and decreased physical activity time. The objective of this study is to analyze if whole-body electromyostimulation (WB-EMS) is suitable for the prevention and treatment of postmenopausal physical deterioration. Thirty-four healthy sedentary women between 55 and 69 years followed an experimental design pre-post test. Both groups conducted 10 weeks of aerobic and strength training program. The experimental group conducted the training with superimposed WB-EMS during exercise. At the end of the intervention, the experimental group obtained better power (squat mean difference (MD) 38.69 W (1.75 to 75.62), d = 0.81; bench press MD 25.64 W (17.48 to 33.82), d = 2.39) and velocity (squat MD 0.04 m/s (0.01 to 0.08), d = 0.98; Bench press: MD 0.10 m/s (0.06 to 0.14), d = 1.90) score improvements than the other group (p-Bonferroni < 0.05). Furthermore, trivial to small effects were found in the body composition of the participants of both groups (p > 0.050). WB-EMS showed a favorable isolated effect on the development of power and velocity, but it induced negligible effects on the body composition of postmenopausal women.

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