How Russian Electronic Muscle Stimulation May Help Preserve Lean Muscle, Strength, and Metabolic Health During Weight Loss By Perry Dusch | Muscle Stim Gym — Colorado Springs, Colorado The Weight-Loss Revolution Has a Muscle-Preservation Challenge GLP-1 medications have changed the landscape of weight management. Medications such as semaglutide and tirzepatide have helped many people achieve significant weight loss while improving important aspects of metabolic health, but there is another side to the weight-loss equation that deserves far more attention: What happens to your muscle when the number on the scale starts dropping? For many people, the goal is simple: lose body fat, reduce waist circumference, improve health, and feel better. However, weight loss does not always come exclusively from fat tissue. When calorie intake drops significantly, the body can lose lean tissue along with stored fat. Research has raised concerns that a meaningful portion of weight lost during GLP-1-based treatment may come from lean body mass, which includes skeletal muscle as well as other nonfat tissues. A 2025 systematic review and meta-analysis found that lean mass accounted for approximately 25% of total weight loss across the GLP-1-related treatments studied. The exact proportion varies by medication, individual, nutrition, activity level, and study methodology. That raises an important question: If you're losing weight but also losing valuable muscle, are you achieving the best possible outcome for your long-term health? The objective should not be to lose weight at any cost. It should be to improve body composition by reducing excess body fat while preserving as much muscle, strength, and physical function as possible. This is where Russian Electronic Muscle Stimulation (EMS) deserves consideration as a potential addition to a comprehensive weight-management program. 1. Why Muscle Matters More Than Most People Realize Skeletal muscle is much more than what gives our bodies shape and definition. It is living, metabolically active tissue that contributes to nearly every aspect of daily physical function.