Can Whole Body EMS Improve Bone Density
•Versand am Oktober 12 2026
Bone adapts to mechanical loading, which is why resistance training and weight-bearing activity are commonly recommended for skeletal health. Because muscle contractions pull on bone, researchers have asked whether WB-EMS-induced contractions might also affect bone mineral density. The available human evidence is limited and does not support a broad claim that WB-EMS reliably increases bone density.
The TEST III randomized trial
The Training and Electrostimulation Trial III enrolled 76 community-dwelling women aged 70 years or older who had osteopenia. Participants were randomly assigned to WB-EMS or a comparison program. Both groups performed the same gentle movements, but only the WB-EMS group received electrical stimulation. The intervention lasted 54 weeks, and bone density was measured by dual-energy X-ray absorptiometry at the lumbar spine and total hip.
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Study element |
Details |
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Participants |
76 nonsporting women aged 70 years or older with osteopenia |
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Program |
18-minute WB-EMS sessions, approximately 1.5 times per week, for 54 weeks |
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Lumbar-spine BMD |
WB-EMS +0.6 ± 2.5%; comparison -0.7 ± 2.5%; p=0.051 |
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Total-hip BMD |
WB-EMS -1.1 ± 1.9%; comparison -0.8 ± 2.3%; p=0.771 |
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Conclusion |
Borderline lumbar-spine difference and no total-hip benefit |
A p value of 0.051 sits just outside the conventional threshold for statistical significance. It should not be rewritten as a proven increase. The total-hip result was clearly not favorable, and bone density at the hip declined slightly in both groups.
Muscle benefits do not prove bone benefits
In the same trial, lean body mass increased by 1.5% and grip strength by 8.4% in the WB-EMS group relative to the comparison condition. Those muscle-related outcomes may matter for function, but they cannot be used as substitutes for a bone-density endpoint. Muscle and bone interact, yet they do not necessarily adapt at the same rate or to the same stimulus.
What readers should take away
WB-EMS is being studied as a possible adjunct for older adults who may struggle with conventional exercise. Current evidence is not strong enough to claim that it boosts bone density or treats osteopenia. People concerned about bone loss should seek medical assessment and follow evidence-based recommendations for resistance exercise, weight-bearing activity, nutrition, fall prevention, and prescribed treatment when appropriate.
References
Kemmler W, Shojaa M, Steele J, et al. Whole-Body Electromyostimulation to Fight Osteopenia in Elderly Females: The Randomized Controlled TEST-III Trial. Evid Based Complement Alternat Med. 2015;2015:643520. Source
Kemmler W, von Stengel S, Teschler M, et al. Impact of whole-body electromyostimulation on body composition in elderly women at risk for sarcopenia. Clin Interv Aging. 2013. Source