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WhatWorksWhat.

The library

Pick a muscle.
See every part.

Every muscle is broken into the parts that respond to different movements. Click in and see exercises ranked by how directly they train the part you care about.

  • Abs
  • Biceps
  • Calves
  • Chest
  • Forearms
  • Front delts
  • Glutes
  • Hamstrings
  • Lats
  • Lower back
  • Obliques
  • Quads
  • Rear delts
  • Rhomboids
  • Side delts
  • Traps
  • Triceps
  • Abs
  • Biceps
  • Calves
  • Chest
  • Forearms
  • Front delts
  • Glutes
  • Hamstrings
  • Lats
  • Lower back
  • Obliques
  • Quads
  • Rear delts
  • Rhomboids
  • Side delts
  • Traps
  • Triceps

151 exercises across 17 muscles - every part lit means every part covered.