Explore Your Body's 50 Functional Muscles

Click any muscle to learn what it does and discover exercises to strengthen it. Each exercise includes EMG-backed muscle activation data.

Muscle Name

Function description

Click to see exercises

Hover to highlight | Click to learn more

Browse by Body Region

🦵

Lower Body

20 muscles

Quads, glutes, calves, and more
🎯

Core & Trunk

15 muscles

Abs, back, and stabilizers
💪

Upper Body

15 muscles

Shoulders, arms, and chest
📚

All Exercises

50+ exercises

Browse the complete library

Browse by Daily Activity

Find exercises that help with the activities you do every day

🪑

Getting Up from Chair

  • Chair Squat
  • Glute Bridge
  • Quad Strengthening
🚶

Walking & Stairs

  • Step-Ups
  • Calf Raises
  • Hip Abduction
🏋️

Reaching & Lifting

  • Shoulder Exercises
  • Bicep Curls
  • Core Stability
⚖️

Balance & Stability

  • Single Leg Stand
  • Tandem Stance
  • Hip Strengthening
Recommended Starting Point

New to Exercise? Start with the "Essential 10"

The 10 most important exercises for functional fitness - master these first and build a strong foundation for independence.

Chair Squat Glute Bridge Bird Dog Wall Push-Up + 6 more
Start Your Journey

Featured Exercises

Popular exercises with high-quality EMG research data

View All Exercises

What Makes Our Library Different?

EMG-Backed Muscle Activation Data

Unlike other exercise libraries, we show you which muscles are actually activated during each exercise - backed by peer-reviewed electromyography (EMG) research.

High Confidence 3+ peer-reviewed EMG studies
Moderate Confidence 1-2 EMG studies or clinical consensus
Low Confidence Biomechanical reasoning, limited data

Example: Chair Squat Muscle Activation

Quadriceps
85%
Glutes
70%
Hamstrings
45%