Movement reference
Learn the movement. Train the muscle.
A practical, API-powered library for choosing exercises and understanding what each movement trains.
5
Exercises on this page
5 Exercises in the library
Equipment
Target muscle
Difficulty
All movements
Build your exercise vocabulary
waist/stability ball
crunch (on stability ball, arms straight)
Primary target: abs. Muscle group: hip flexors. Review technique, setup, and muscle focus.
waist/stability ball
crunch (on stability ball)
Primary target: abs. Muscle group: hip flexors. Review technique, setup, and muscle focus.
waist/stability ball
prone twist on stability ball
Primary target: abs. Muscle group: obliques. Review technique, setup, and muscle focus.
waist/stability ball
pull-in (on stability ball)
Primary target: abs. Muscle group: hip flexors. Review technique, setup, and muscle focus.
waist/stability ball
stability ball crunch (full range hands behind head)
Primary target: abs. Muscle group: hip flexors. Review technique, setup, and muscle focus.