Muscle Groups: Every Exercise, Mapped to the Body
13 muscle groups, each with the exercises that train it, the stretches that lengthen it, and a diagram showing exactly where it sits.
Every muscle group Fitnit tracks highlighted on the body.
Browse by Muscle Group
Chest
Pressing movements and drawing the arms across the body.
Back
Pulling movements, spinal extension and posture.
Shoulders
Raising and rotating the arm in every direction.
Biceps
Bending the elbow and turning the palm upward.
Triceps
Straightening the elbow.
Forearms
Grip strength and wrist movement.
Core
Trunk flexion, rotation and resisting movement of the spine.
Glutes
Hip extension — the engine behind squats, hinges and sprinting.
Quadriceps
Straightening the knee.
Hamstrings
Bending the knee and extending the hip.
Calves
Pointing and flexing the foot; ankle stability.
Inner Thighs
Drawing the legs toward the midline and stabilising the hip.
Neck
Supporting and moving the head.
Frequently Asked Questions
How should I split my training across muscle groups?
Most people do best hitting each muscle group twice a week. The body map on this page is the same one the Fitnit app shades by your actual logged volume, so you can see which groups you have been quietly skipping.
How many muscle groups does Fitnit cover?
13, from neck to calves, with 2109 exercise listings between them.
Track Your Muscle Group Training with AI
Fitnit uses proprietary body tracking technology to automatically count your muscle group training reps and analyze your form in real time. Get started free — Pro is just $8.99/month.