Electric muscle stimulation zaps are effective for physical exercise.
the verdict
SUPPORTED
the evidence backs this
confidence 81/100
Multiple clinical studies and reviews demonstrate that electric muscle stimulation (EMS/NMES) is effective for improving muscle strength, enhancing endurance, and promoting muscle hypertrophy during physical exercise or rehabilitation.
Evidence for · 8
Effects of Whole-Body Electromyostimulation and Resistance Training on Body Composition and Maximal Strength in Trained Women
2021 · cited by 9
Whole-body electromyostimulation combined with training significantly improved maximal strength and body composition in trained women.
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More for · 7
Effects of whole-body electromyostimulation with two different frequencies and combined training on lipid profile and body composition in overweight women
2022 · cited by 6
Whole-body electromyostimulation showed positive effects on body composition and lipid profiles in overweight women.
Effects of combined blood flow restriction and neuromuscular electrical stimulation versus neuromuscular electrical stimulation alone on skeletal muscle hypertrophy and strength in adults: a systematic review
2026 · cited by 0
Systematic review evidence indicates that neuromuscular electrical stimulation approaches lead to favorable long-term trends in muscle strength and morphological adaptations.
Effects of muscle strength training combined with neuromuscular electrical stimulation on pain, function, muscle strength, patellar stress, and muscle activation during running in people with patellofemoral pain
2025 · cited by 0
Neuromuscular electrical stimulation combined with strength training significantly improved quadriceps strength and knee function in individuals with knee pain.
Eight-week neuromuscular electrical stimulation training produces muscle strength gains and hypertrophy, and partial muscle quality improvement in the knee extensors.
2023 · cited by 0
Neuromuscular electrical stimulation training produced significant increases in maximal voluntary contraction torque and muscle volume in knee extensors.
Use of Neuromuscular Electrical Stimulation for Abdominal and Quadriceps Muscle Strengthening: A Randomized Controlled Trial.
2022 · cited by 0
Treatment with neuromuscular electrical stimulation led to significant improvements in abdominal and quadriceps strength and endurance.
Neuromuscular Electrical Stimulation: A New Therapeutic Option for Chronic Diseases Based on Contraction-Induced Myokine Secretion.
2019 · cited by 0
Neuromuscular electrical stimulation effectively acts as a physical exercise substitute to induce muscle hypertrophy, strength gains, and myokine secretion.