Movement reference
Learn the movement. Train the muscle.
A practical, API-powered library for choosing exercises and understanding what each movement trains.
12
Exercises on this page
325 Exercises in the library
Equipment
Target muscle
Difficulty
All movements
Build your exercise vocabulary

jack burpee
Primary target: cardiovascular system. Muscle group: quadriceps. Review technique, setup, and muscle focus.

jack jump (male)
Primary target: cardiovascular system. Muscle group: quadriceps. Review technique, setup, and muscle focus.

jackknife sit-up
Primary target: abs. Muscle group: hip flexors. Review technique, setup, and muscle focus.

janda sit-up
Primary target: abs. Muscle group: hip flexors. Review technique, setup, and muscle focus.

jump squat
Primary target: glutes. Muscle group: quadriceps. Review technique, setup, and muscle focus.

jump squat v. 2
Primary target: glutes. Muscle group: quadriceps. Review technique, setup, and muscle focus.

kick out sit
Primary target: hamstrings. Muscle group: quadriceps. Review technique, setup, and muscle focus.

kipping muscle up
Primary target: lats. Muscle group: biceps. Review technique, setup, and muscle focus.

knee touch crunch
Primary target: abs. Muscle group: hip flexors. Review technique, setup, and muscle focus.

kneeling lat stretch
Primary target: lats. Muscle group: shoulders. Review technique, setup, and muscle focus.

kneeling plank tap shoulder (male)
Primary target: abs. Muscle group: shoulders. Review technique, setup, and muscle focus.

kneeling push-up (male)
Primary target: pectorals. Muscle group: triceps. Review technique, setup, and muscle focus.