Whole Body EMS vs HIT: Is Getting Zapped Really as Effective as High-Intensity Training for Building Muscle, Strength and Losing Fat?

Here’s the question every time-poor, untrained bloke in his 30s–50s secretly asks:

Is Whole Body EMS actually as effective as proper high-intensity resistance training (HIT) for building muscle, increasing strength and losing fat in untrained middle-aged men — and how do the two time-efficient methods really compare head-to-head?

A 2016 gold-standard randomised controlled trial finally gives us the answer. And it’s a shocker.

German researchers at Friedrich-Alexander University recruited 48 healthy but untrained men aged 30–50 and split them at random into two groups for 16 weeks.

Group 1 (HIT) hammered out two (sometimes three) proper gym sessions a week using the classic single-set-to-failure protocol — the gold standard for time-efficient lifting. They blasted 10–13 exercises per session on resistance machines, pushing to momentary muscular failure with drop sets, supersets and every intensifier in the book. Total time under load: roughly 30 minutes per session.

Group 2 (Whole Body EMS) slipped into a Full body EMS system suit and did just 1.5 sessions per week — three 20-minute workouts every two weeks. While wearing the suit they performed simple low-amplitude movements (gentle squats, presses, rows, crunches) while the machine delivered 85 Hz electrical pulses (6 seconds on, 4 seconds off). Intensity was dialled up to “hard to very hard” on the Borg scale — exactly the effort level the HIT guys were hitting.

Both groups trained under strict supervision, kept their normal diets and daily activity unchanged, and were tested before and after with gold-standard DXA scans for body composition plus isokinetic leg-press and isometric back-extension machines for strength.

So… which one won?

Lean body mass (muscle): HIT: +1.25% Whole Body EMS: +0.93%

Both increases were statistically significant… but the difference between the two methods was not significant.

Leg-extensor strength: HIT: +12.7% Whole Body EMS: +7.3%

Again, both improved significantly — and the gap between them was not statistically significant.

Back-extensor strength: HIT: +10.2% Whole Body EMS: +11.6%

Virtually identical.

Body fat loss: HIT: –4.4% Whole Body EMS: –3.7%

Both groups shed fat significantly, with no meaningful difference between them.

Bottom line from the scientists: Whole Body EMS delivered comparable gains in muscle mass, strength and fat loss to proper high-intensity resistance training — even though the Full body EMS system group spent roughly half the training time.

Yes, you read that right. Getting zapped in a Full body EMS system suit for 20 minutes, 1.5 times a week, was statistically just as effective as grinding out proper HIT sessions for building muscle, getting stronger and trimming fat in untrained middle-aged men.

The researchers are refreshingly honest: Whole Body EMS is “time-efficient”

For busy guys who genuinely don’t have (or won’t make) the time for traditional training, it’s a legitimate shortcut that actually works.

Verdict

 Yes. According to this head-to-head randomised controlled trial, Whole Body EMS is as effective as proper high-intensity resistance training for building muscle, increasing strength and losing fat in untrained middle-aged men.

It’s not hype. It’s not “18 times better” (that was marketing nonsense). But it is a genuinely time-efficient alternative that delivers almost identical real-world results in half the training time.

If you’re a 35–50-year-old bloke who’s been saying “I don’t have time to train,” this 2016 study just handed you the perfect excuse to try a Full body EMS system — and the science says it’ll probably work.

Your move.

Study: Kemmler et al. (2016) “Effects of Whole-Body Electromyostimulation versus High-Intensity Resistance Exercise on Body Composition and Strength: A Randomized Controlled Study” — Evidence-Based Complementary and Alternative Medicine. Link to original study: https://pubmed.ncbi.nlm.nih.gov/27034699/

Stay tuned for the next no-BS research digest in the Oriems Fit Research Digest series. Your body — and your diary — will thank you. 💪⚡

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IMPORTANT DISCLAIMER

This article is for general information and educational purposes only. It summarises the findings of a single 2016 scientific study and does not constitute medical advice, health advice, diagnosis, or treatment.

Whole Body EMS (also known as whole-body electromyostimulation) is an exercise technology. Individual results vary significantly depending on age, fitness level, diet, consistency, genetics, and many other factors. The results reported in the study are not guaranteed and may not be typical for every person.

We strongly recommend that you consult your doctor or qualified healthcare professional before using any Full body EMS system or starting any new exercise program — especially if you have any pre-existing medical conditions, heart problems, epilepsy, are pregnant, or have any other health concerns.

Oriems Fit and the author make no representations or warranties about the accuracy, completeness, safety, or effectiveness of Whole Body EMS. We accept no liability whatsoever for any loss, damage, injury (including personal injury), or financial loss that may arise from reading this article or from using any information, product, or service mentioned in it.

You use this information and any EMS device entirely at your own risk.

By continuing to read this article you agree to these terms.

Full disclaimer: https://oriems.fit/blogs/research-digest/disclaimer