First Look: Dr. Muscle X New Features & Improvements
Train faster, track smarter, lift anywhere
Train faster, track smarter, lift anywhere
Built by exercise scientists, updated 50+ times per year—from automated progressive overload to daily undulating periodization, here's what makes Dr. Muscle different and better at getting you in top shape fast
Meet Dr. Muscle X: The Future of AI Personal Training. Early Preview Now Open.
Power meets simplicity. Innovation meets iron. Right on your wrist.
No hype, no gimmick—just science-backed workouts that grow with you using AI
An honest look at MacroFactor and results from 9 users of the app: is it worth it in 2025?
Build muscle and strength with upper body hypertrophy training—discover the science, best exercises, and proven strategies to maximize chest, back, shoulder, and arm growth.
Maximize muscle growth with hypertrophy training by mastering training volume, understanding individual volume landmarks, and using proven strategies for effective, sustainable muscle building.
Periodization in resistance training is the strategic structuring of workouts to maximize muscle growth and strength, with both linear and undulating models producing similar hypertrophy when training volume is matched, and undulating periodization offering a slight edge for advanced strength gains.
Discover how unilateral training for hypertrophy helps build balanced muscle development, correct imbalances, and accelerate your strength gains.
Discover the ultimate upper back hypertrophy exercises and expert strategies to maximize your muscle growth, strength, and posture.
Optimize your muscle growth and training results with the best strategy for hypertrophy—discover how combining unilateral and bilateral exercises can maximize strength, correct muscle imbalances, and prevent injuries.
Unlock muscle growth and maximize your training results with hypertrophy tempo, the science-backed approach to manipulating repetition speed for effective muscle hypertrophy and strength gains.
Maximize hypertrophy with slow eccentric training using proven tips, sample exercises, and expert strategies for building muscle and controlling every rep.
Maximize quad hypertrophy with the best exercises, progressive overload, and essential nutrition and recovery strategies for optimal muscle growth.
Unlock muscle growth with pyramid sets—progressive weight and rep variations that maximize strength and hypertrophy for all fitness levels.