Explore exercise anatomy with interactive 3D animations. Understand muscle engagement, biomechanics, and common mistakes to train smarter and reduce injury risk. Access a vast library of exercises and educational content.
Summarized from real user reviews of Muscle & Motion. Based on 7.7K reviews and a 4.9/5 average, it highlights the 18 positives and 4 negatives reviewers mention most about this Health & Fitness app.
3.5.6
August 31, 2026
This update includes bug fixes and general UI improvements. We recommend updating to the latest version for the best experience.
MoreFull access + Share workouts (100 clients)
A new way to explore and learn exercises
Jan 26, 2026 — Feb 26, 2026
Brand New Design With Interactive 3D Model!
Nov 17, 2024 — Dec 18, 2024
3 issues
Exercises not loading properly
Inconsistent and slow loading
4 requests
Ability to zoom and move 3D body model
Ability to create and save custom workouts
This app provides interactive 3D animations to help users understand the anatomy and biomechanics of various exercises. It visualizes which muscles and joints are engaged, highlights common mistakes, and explains complex concepts to promote smarter training and reduce injury risk.
Key features include an interactive 3D anatomy model for detailed exploration, a comprehensive library of over 1,200 exercises with anatomical analysis and mistake identification, educational videos on anatomy and mechanics, and the ability to create and assign custom workout plans.
The app offers free access to start learning, with additional content and features available through in-app purchases. This allows users to explore a portion of the library and educational materials without initial commitment.
The app is built for a wide audience including personal trainers, strength coaches, physical therapists, movement teachers, bodybuilders, powerlifters, fitness enthusiasts, and students of kinesiology and sports science.
You can use the app to prepare training sessions, design personalized workout programs, teach classes more effectively, or simply deepen your own understanding of lifting mechanics. By visualizing muscle engagement and common errors, you can train with greater precision and safety.
