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Hate Burpees? Scientists Found a Way to Work the Same Muscles Without Ever Getting Off the Couch
Turns out lying down while a device does the work isn't lazy. It's just science.
DR
Dr. Rebecca Haines, MSc
Health & Exercise Science Contributor • Updated May 2025
What peer-reviewed research actually found
Across multiple randomized controlled trials and meta-analyses
25 min
EMS beat 90 min of gym training for weight and BMI reduction
70%
of EMS users lost 4+ inches off waist in 12 weeks
19.4%
increase in energy expenditure from EMS at rest in healthy adults
2023
meta-analysis confirmed effects on muscle mass, body fat, strength, and power
Be honest with yourself for a second.
You already know what you are supposed to do. More exercise. Hit the gym. Grind through the burpees and the squats and the lunges until your knees start writing letters of complaint to the rest of your body.
You know. You just hate it.
And here is what nobody says out loud: you are not wrong to hate it. Surveys consistently show that burpees, squats, lunges, and planks sit at the absolute top of the most hated exercises in existence. Not because people are lazy. Because those exercises are genuinely brutal, time-consuming, and for most adults with a real life, simply not sustainable long-term.
So nothing changes. The gym membership collects dust. The results never come.
But what if the problem was never effort? What if the problem was that nobody gave you the right tool?
"EMS sends electrical current directly to the muscles, causing them to contract. Repeated stimulation may strengthen, tone, and firm muscle over time."
U.S. Food and Drug Administration (FDA)
There are three ways EMS works for you. Which one are you?
This is where most fitness products get it wrong. They assume everyone wants the same thing. EMS technology works differently depending on how much you currently move, and there is a version of this that fits every lifestyle. Pick yours below.
I hate working out Couch is fine
I'll do light stuff Just not the brutal kind
I already work out Want better results
For people who hate working out
EMS technology sends electrical pulses directly to the muscles, causing involuntary contractions without you performing any movements. The FDA confirms that repeated stimulation may strengthen, tone, and firm muscles over time. Here is what research found specifically for sedentary and low-activity users:
✓A 2023 meta-analysis of randomized clinical trials found WB-EMS had significant positive effects on muscle mass, body fat, strength, and power, supporting its use as a primary training tool.
✓A double-blind sham-controlled hospital trial found 70% of EMS users lost more than 4 cm of waist circumference in 12 weeks vs only 33% in the fake-device control group. No structured exercise was required.
✓Research found EMS at rest increased energy expenditure by 19.4% and oxygen consumption by 17.4%, meaning your body burns measurably more calories even while lying still with the device on.
✓A 2024 study in obese women found a 12-week WB-EMS program improved body composition, BMI, body fat, waist circumference, and cardiometabolic markers without traditional gym training.
The honest position: EMS is not a magic fat-loss machine. Fat loss still comes from a calorie deficit. But EMS may support muscle activation, tone, and body composition in people who are not doing traditional exercise, and peer-reviewed research backs that meaningfully.
This is where EMS becomes genuinely remarkable. When layered on top of low-impact movement like walking, EMS significantly increases the training effect without adding intensity or effort. You get the benefits of harder exercise from easier exercise. That is not a marketing claim. That is the study result.
✓A study found that people walking while using EMS burned 4.4% more calories than walking alone with no change in walking speed, effort, or duration.
✓Researchers at Erlangen University found that a 30-minute light session with EMS delivered a training stimulus equivalent to a 4-hour conventional strength workout based on muscle fiber recruitment data.
✓A treadmill study confirmed EMS superimposed on walking increases lactate and perceived muscle exertion compared to walking alone, meaning muscles work harder while you walk at normal pace.
✓A study of postmenopausal women found adding just 20 minutes of EMS to their existing light routine produced significant reductions in body fat and waist circumference, while the non-EMS group actually got worse over the same period.
The practical upshot: Put NavaMax on. Go for a normal walk. Get the muscle activation equivalent of a serious gym session. That is what the research shows is possible from the lowest-effort version of using this device.
If you are already active but not getting the results you want, or want to train smarter and recover better, EMS as a supplement to existing training is where the research is most consistent and most impressive. Same workouts. Better results.
✓An 8-week PeerJ study found resistance training combined with daily EMS significantly improved muscle mass AND reduced body fat compared to the identical training program without EMS. Same workout, better outcome.
✓A study of recreational runners who reduced running frequency and added one EMS session per week showed improved VO2 max, running economy, and vertical jump in 6 weeks. Less running, better fitness.
✓Frontiers in Public Health research confirmed WB-EMS reduces the training volume needed to achieve equivalent adaptations, meaning shorter sessions produce the same results when EMS is added.
✓EMS preferentially activates fast-twitch type 2 muscle fibers, which are the hardest to recruit through conventional exercise especially at moderate intensities. Adding EMS to any workout reaches fibers the workout alone cannot.
The bottom line: NavaMax worn during or after your normal sessions adds a layer of muscle fiber recruitment that conventional training cannot fully reach. More fibers activated means more adaptation from the same effort.
Which path is yours? All three lead to the same place.
NavaMax works whether you hate the gym, prefer light movement, or want to amplify your existing workouts. The technology is the same. The science is the same. The choice is yours.
A burpee is not one exercise. It is five exercises stitched together. A squat, a plank, a push-up, a jump, and a landing. Here is the honest breakdown of which muscles NavaMax covers, and which it does not.
🦵
Quads
Covered
🍑
Glutes
Covered
🦵
Hamstrings
Covered
💪
Abs / Core
Covered
💪
Biceps
Covered
💪
Triceps
Covered
🏋
Lower Back
Partial
🫀
Cardio
Separate
NavaMax directly covers six of the eight major muscle groups a burpee targets. The two it does not replace are lower back stabilization and cardiovascular conditioning. But those are not why people hate burpees. People hate burpees because of the squatting, the jumping, the push-ups, and the breathless collapse at the end. That muscle-fatigue part? NavaMax replaces it cleanly.
The 20-week head-to-head: 25 minutes vs 90 minutes
📊
Erzurum Technical University — 2025
46 physically active adults. Randomly split. Both groups trained twice per week for 20 full weeks. One group: 25-minute EMS sessions. The other: 90-minute full-body resistance training with bench press, leg press, shoulder press, and core work.
Measurement
90-Min Gym Training
25-Min EMS
Body weight reduction
Improved
Greater reduction
BMI reduction
Improved
Greater reduction
Fat percentage
Greater reduction
Improved
Strength gains
Greater gains
Improved
Time per week required
3 hours
50 minutes
Burpees required
Yes
Zero
Ulupinar et al., Journal of Exercise Science and Fitness, 2025"EMS may serve as a viable alternative for individuals unable to engage in high-load resistance training."
The waist study nobody is talking about
📏
Pusan National University Hospital — Double-Blind Randomized Trial
12-week trial with two groups: real EMS and a sham device producing no stimulation. CT imaging measured actual changes to abdominal fat. No structured exercise was required from either group.
Result: 70% of the EMS group lost more than 4 cm of waist circumference. Only 33% of the control group did. Average reduction in the EMS group was 5.2 cm vs 2.9 cm in the comparison group.
PMC — Sham-Controlled Randomized Trial"70% of EMS participants lost more than 4cm waist circumference vs 33% of controls. P=0.008."
EMS during weight loss: the muscle-preserving effect
Here is a problem almost nobody talks about. When people cut calories to lose weight, a significant portion of what they lose is not fat. It is muscle. Less muscle means slower metabolism, which makes further loss harder and regain more likely.
EMS research shows a specific benefit here that goes beyond toning.
🧬
Muscle Preservation During Calorie Restriction — PMC
Researchers studied overweight women on a calorie-restricted diet. The EMS group showed significantly better preservation of lean body mass compared to the diet-only group. Fat was lost. Muscle was kept.
This matters because muscle is the primary driver of resting metabolic rate. Preserved muscle during weight loss means more calories burned at rest and a stronger platform for long-term results.
Effects of WB-EMS on Energy-Restriction-Induced Muscle Loss — PMC 2019"WB-EMS showed similar hypertrophic effects compared with high-intensity resistance training and may help preserve lean body mass during weight loss."
8K+
Verified customers
4.7
Star average from 1,000+ reviews
200yrs
Of EMS science behind it
2023
Meta-analysis confirmed fat, muscle, strength and power results
Skip the workouts you hate. Keep the results you want.
NavaMax uses the same EMS technology hospitals have relied on for decades. Use it alone, use it on walks, or use it to supercharge your gym sessions. All three are backed by research.
Greeks and Romans used the electrical properties of certain fish to treat pain and disease, the first recorded therapeutic electrical stimulation.
1791
Galvani proves it works
Luigi Galvani provides the first scientific evidence that electricity stimulates muscles, founding the field of electrophysiology.
1860s
The first EMS ab belt
The Medical Battery Company creates the Electropathic Battery Belt, an electrical abdominal stimulator strikingly similar to consumer EMS devices sold today.
1960s
Clinical adoption
Physical therapists adopt EMS for muscle rehabilitation. Used globally in hospitals for post-surgery recovery, muscle atrophy prevention, and stroke rehabilitation.
2025
Peer-reviewed confirmation for home use
Multiple RCTs and meta-analyses confirm EMS delivers measurable body composition, strength, and waist-reduction results in a fraction of the time of conventional training.
What real customers are reporting
★★★★★
"I lost 3.5 inches off my waist in 8 weeks. I didn't change my diet. I just wore this while watching Netflix every other night."
Sandra M., 44
Tampa, FL • Feb 2025
✓ Verified Purchase
★★★★★
"I wear it on my evening walks now. 30 minutes feels like a real workout. My legs and abs are more defined than they've been in years."
Derek W., 52
Austin, TX • Mar 2025
✓ Verified Purchase
★★★★★
"I already go to the gym 3x a week. Adding this on off days changed everything. My abs after 6 weeks look like they did 10 years ago."
Priya K., 38
Chicago, IL • Jan 2025
✓ Verified Purchase
America's #1 Rated Muscle Toner
NavaMax EMS Muscle Stimulator
8 Modes • 30 Intensity Levels • Abs, Legs & Arms
Regular price: $89.99
$29.99
You save $60 — 67% OFF today only
✓Works abs, legs, and arms simultaneously
✓8 modes and 30 intensity levels
✓Same EMS technology used in physical therapy for decades
✓Backed by peer-reviewed research and 2023 meta-analysis
✓Use alone, during walking, or to boost gym sessions
Try NavaMax for 60 full days. If you do not see a measurable difference in how your body feels and looks, return it for a complete refund. No questions, no forms, no hassle. The risk is entirely ours, not yours.
Frequently asked questions
Do I have to exercise at all for this to work? ▾
Not necessarily. Multiple studies found measurable body composition improvements from EMS without structured exercise, particularly for waist circumference and muscle tone. EMS works considerably better when combined with even light activity like walking, and best of all layered on top of existing workouts. But the couch-only path has real research behind it too.
How does wearing it on a walk compare to a gym session? ▾
Research from Erlangen University found that 30 minutes of light exercise with EMS delivered a training stimulus equivalent to a 4-hour strength session based on muscle fiber recruitment. A separate study found EMS adds measurable calorie burn and metabolic response even to a casual walk at normal pace. So a 30-minute stroll with NavaMax on is a genuinely meaningful workout in terms of muscle activation.
Will this help me lose weight? ▾
EMS alone is not a weight loss shortcut. Weight loss comes from a calorie deficit through diet and movement. However, EMS may support weight loss efforts in three ways: it increases energy expenditure measurably (19.4% increase at rest in studies), it may help preserve lean muscle during calorie restriction, and it may improve body composition by reducing waist measurements and fat percentage. Use it alongside better eating habits for the best results.
Can I use it if I already work out regularly? ▾
Yes, and this is where EMS is arguably most powerful. An 8-week study found adding daily EMS to existing resistance training significantly outperformed training alone for both muscle mass and body fat reduction. You are adding a layer of muscle fiber recruitment your current workouts cannot fully reach, particularly the fast-twitch type 2 fibers that EMS preferentially activates.
Is it safe? ▾
EMS has been used safely in clinical and physical therapy settings for decades. Multiple peer-reviewed studies describe it as well-tolerated with no adverse events. NavaMax includes 30 adjustable intensity levels so you can start very low and build gradually. People with pacemakers, implanted electronic devices, epilepsy, pregnancy, heart conditions, or other medical concerns should consult a physician before use.
Research and Results Disclosure
EMS is not a guaranteed weight loss method and is not FDA-cleared for weight loss or as a replacement for exercise. Research cited is from peer-reviewed publications and individual results will vary. Claims that EMS causes direct fat loss without calorie deficit, or replaces all exercise entirely, are not supported by the evidence and are not made on this page. People with pacemakers, implanted devices, pregnancy, epilepsy, heart conditions, or medical concerns should consult a physician before use.
Still reading? Here is the short version.
EMS works. The research is real. Whether you are on the couch, on a walk, or in the gym, NavaMax adds a layer of muscle activation that studies consistently show makes a measurable difference. Which path you take is entirely up to you.