effects of whole-body electromyostimulation versus high-intensity resistance exercise on body composition and strength: a randomized controlled study
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2016
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Abstract
High-intensity (resistance) exercise (HIT) and whole-body electromyostimulation (WB-EMS) are both approaches to realize time-efficient favorable changes of body composition and strength. The purpose of this study was to determine the effectiveness of WB-EMS compared with the gold standard reference HIT, for improving body composition and muscle strength in middle-aged men. Forty-eight healthy untrained men, 30–50 years old, were randomly allocated to either HIT (2 sessions/week) or a WB-EMS group (3 sessions/2 weeks) that exercised for 16 weeks. HIT was applied as “single-set-to-failure protocol,” while WB-EMS was conducted with intermittent stimulation (6 s WB-EMS, 4 s rest; 85 Hz, 350 ms) over 20 minutes. The main outcome parameters were lean body mass (LBM) as determined via dual-energy X-ray absorptiometry and maximum dynamic leg-extensor strength (isokinetic leg-press). LBM changes of both groups (HIT 1.25 ± 1.44% versus WB-EMS 0.93±1.15%) were significant (p=.001); however, no significant group differences were detected (p=.395). Leg-extensor strength also increased in both groups (HIT 12.7±14.7%, p=.002, versus WB-EMS 7.3±10.3%, p=.012) with no significant (p=.215) between-group difference. Corresponding changes were also determined for body fat and back-extensor strength. Conclusion. In summary, WB-EMS can be considered as a time-efficient but pricy option to HIT-resistance exercise for people aiming at the improvement of general strength and body composition.
| Reference Key |
kemmler2016evidence-basedeffects
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|---|---|
| Authors | ;Wolfgang Kemmler;Marc Teschler;Anja Weißenfels;Michael Bebenek;Michael Fröhlich;Matthias Kohl;Simon von Stengel |
| Journal | ACS applied materials & interfaces |
| Year | 2016 |
| DOI |
10.1155/2016/9236809
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| URL | |
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