By Henri Schmidt, CEO & Founder of VBTec/Visionbody, Muscle Expert
When people think about muscle, they usually think about appearance, how they look in the mirror, and how they perform in the gym. What most people do not think about is what muscle is actually doing for them every hour of every day, and what starts to change when it is no longer doing it well enough.
I have been in the fitness and health industry since the late 1980s. I have worked at every level of it, from expansion management at major chains like Fitness First to consulting for wellness businesses across Europe, to founding Visionbody in 2014 and building the world's first fully wireless EMS system. And through all of that, one thing has become clearer to me over time than almost anything else: muscle is the most underappreciated asset in long-term health. Not aesthetics. Not performance. Health.
My shorthand for this is simple: muscle is life. This article is my attempt to explain what I mean by that.
Why Muscle Matters Beyond Aesthetics
Most conversations about muscle happen in the context of how it looks. But muscle tissue is one of the most metabolically active systems in the body, and its role goes far beyond movement and strength.
As researcher Robert Wolfe noted in a landmark 2006 paper in the American Journal of Clinical Nutrition, muscle serves as the body's principal reservoir for amino acids, the raw material your vital organs depend on for protein synthesis when dietary intake falls short. Muscle tissue is also central to glucose regulation: every contraction draws sugar from the bloodstream and converts it into energy, which is why muscle mass is so directly tied to insulin sensitivity and metabolic health. When muscle mass declines, so does this regulatory capacity. The consequences are not abstract; they show up as fatigue, weight gain, blood sugar instability, and a gradual reduction in the body's ability to manage the demands of daily life.
None of this has anything to do with how your muscles look. It has everything to do with how your body functions, and for how long.
Muscle and Everyday Function
Muscle is what allows you to carry groceries, climb stairs, get up from a chair without thinking about it, and move through the day without pain. These things feel automatic when you are in your 30s. They are not guaranteed in your 60s, and what happens between those two points is largely determined by how well you maintain your muscle mass and function in the decades in between.
The deep stabilising muscles of the spine, core, and hips are particularly important here and particularly easy to overlook. These are not the muscles that show in a mirror. They are the muscles that hold your vertebrae in alignment during every movement you make, that distribute load across your joints, and that protect you from the kind of chronic pain that becomes so common with age. When they weaken, through inactivity, poor movement habits, or simply the passage of time, the superficial muscles try to compensate, creating the persistent tension and discomfort that many people mistake for an inevitable part of getting older.
It is not inevitable. It is largely a muscle problem, and muscle problems respond to consistent, appropriate training.
Muscle, Recovery, and Mobility as You Age
Starting somewhere around the age of 30, we begin to lose muscle mass at a rate of roughly 3 to 10% per cent per decade, a process that accelerates after 60. This is called sarcopenia, and its consequences compound over time. Reduced muscle mass means reduced strength, reduced balance, reduced metabolic rate, and a narrowing margin of physical reserve that determines how quickly and completely you recover from illness, injury, or even a period of reduced activity.
The cardiovascular dimension of this is worth understanding specifically. Research published in Nutrients (2023) and supported by broader cardiovascular epidemiology shows that skeletal muscle mass is increasingly recognised as an emerging risk factor for cardiovascular disease, with associations between lower muscle mass, less favourable lipid profiles, and elevated cardiometabolic risk in adults across age groups. Muscle is not just a mobility asset. It is part of the cardiovascular risk picture in a way that most people, and many practitioners, have not yet fully incorporated into how they think about long-term health.
The practical implication of all of this is straightforward: maintaining muscle mass as you age is one of the highest-return investments you can make in your long-term health, independence, and quality of life.
What Weak Muscle Can Change Over Time
The changes that come with declining muscle mass tend to be gradual enough that they are easy to dismiss in the moment. A little more stiffness in the morning. A little more effort is needed to recover from physical activity. A slight change in body composition that does not seem dramatic at first.
But these early signals, left unaddressed, compound. Weaker stabilisers mean more spinal load, which, over time, can contribute to chronic back and joint pain. Reduced muscle mass means a lower resting metabolic rate, which makes body composition increasingly difficult to manage. Less physical reserve means a narrower window of recovery when illness or injury occurs. The loss of neuromuscular coordination, the nervous system's ability to recruit and control muscles efficiently, affects balance and movement quality in ways that have serious implications for falls and fractures in older adults.
What the research makes consistently clear is that these trajectories are not fixed. A 2012 systematic review by Filipovic et al., published in the Journal of Strength and Conditioning Research, found EMS training to be an effective alternative to traditional resistance training for developing maximal strength. And consistent resistance-based training of any kind, conventional or EMS-assisted, has been shown to slow, halt, and in many cases partially reverse the muscle loss associated with normal ageing. The body's capacity to respond to the right stimulus does not disappear with age. What changes is how efficiently that stimulus needs to be delivered.
Practical Ways to Maintain Strength
The evidence on what it takes to maintain muscle mass and function across the lifespan is actually more reassuring than most people expect. You do not need to train like an athlete. You need to train consistently, with enough stimulus to challenge your muscle tissue, and with adequate recovery and protein intake to support adaptation.
The principles are straightforward: progressive resistance, gradually increasing the demand on your muscles over time, combined with adequate protein intake (research supports roughly 1.6 to 2.0 grams per kilogram of body weight daily for most active adults), consistent sleep, and enough recovery between sessions. The specific format of training matters less than whether it delivers sufficient stimulus to the right muscle fibres consistently enough to maintain adaptation over years and decades.
For many people, the barrier to this is not motivation. It is time, joint tolerance, and access. This is where the format of training becomes genuinely important.
Where EMS Can Fit Into a Low-Friction Routine
Electrical muscle stimulation works by delivering electrical impulses through a wearable suit directly to your muscles, which makes them contract. Rather than relying on the brain to initiate and sustain the recruitment signal, which follows the path of least resistance and tends to underserve deep stabilisers and fast-twitch fibres at moderate effort levels, EMS bypasses this efficiency mechanism and activates a significantly broader spectrum of muscle tissue simultaneously.
What this means practically is that a 20-minute EMS session, when paired with active movement, produces a muscle stimulus that would take considerably longer to replicate through conventional training alone. The Visionbody Ultimate Fast-Track Muscle System activates up to 98% of muscle fibres across 12 channels and 24 electrodes simultaneously, reaching the deep stabilisers of the core and spine that most gym-based exercise programmes consistently underserve.
A 2021 systematic review and meta-analysis published in Frontiers in Physiology covering 16 studies and nearly 900 participants found large effects of whole-body EMS on muscle mass and maximum strength parameters, confirming that WB-EMS produces genuine hypertrophic and strength adaptation rather than simply a training sensation.
Importantly, EMS produces this stimulus without significant mechanical loading of the joints, which makes it particularly relevant for the populations who need consistent muscle maintenance most: people in their 50s, 60s, and beyond who cannot tolerate or sustain high-load conventional resistance training without pain or injury risk. For people managing back pain, joint conditions, or simply a schedule that does not accommodate three gym sessions per week, EMS offers a format that delivers real stimulus without real barriers.
For more details on how the technology works and what distinguishes EMS from TENS and other electrical stimulation modalities, my TENS vs EMS vs EMA article covers this clearly.
If you are ready to explore the system itself, you can find full details on the Visionbody product page.
A Final Word
I did not build Visionbody because I wanted to sell fitness equipment. I built it because I genuinely believe that most people do not have access to the tools they need to maintain the muscle mass that determines their quality of life as they age, and that the barrier is usually time, joint tolerance, or the complexity of building a sustainable training habit around a demanding life.
Muscle is not a vanity project. It is your body's most important long-term investment. And the earlier you start treating it that way, the more of it you get to keep.
References
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Wolfe RR. The underappreciated role of muscle in health and disease. American Journal of Clinical Nutrition. 2006;84(3):475–482. https://pubmed.ncbi.nlm.nih.gov/16960159/
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Filipovic A, Kleinöder H, Dörmann U, Mester J. Electromyostimulation — a systematic review of the effects of different electromyostimulation methods on selected strength parameters in trained and elite athletes. Journal of Strength and Conditioning Research. 2012;26(9):2600–2614. https://pubmed.ncbi.nlm.nih.gov/22713786/
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Lim S, et al. The role of skeletal muscle mass on cardiovascular disease risk: an emerging role in modulating lipid profile. Nutrients. 2023. https://pubmed.ncbi.nlm.nih.gov/36928171/
- Kemmler W, et al. Efficacy of whole-body electromyostimulation on body composition and muscle strength in non-athletic adults: a systematic review and meta-analysis. Frontiers in Physiology. 2021. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7952886/
