Beginner

Squat Jump

Compound exercise.

Squat Jump demonstration (no audio).

Difficulty: Beginner
Mechanics: Compound
Sides: Bilateral
Main plane: Sagittal

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How to do the Squat Jump

Cues reviewed by Kwabena Osei on 20 Sep 2026

Setup

Feet about shoulder-width apart, chest up.

Descend to roughly a parallel/half-squat with your back neutral, then drive explosively through your whole foot, fully extending your ankles, knees, and hips as you jump.
Swing your arms up to help drive the jump.
Land softly back into the squat position with your knees tracking over your toes -- never letting them cave inward.

Common mistakes

Landing with stiff, locked knees instead of absorbing through a soft landing into the next squat.
Letting the knees collapse inward (valgus) on landing -- the single biggest jump-related injury risk to eliminate.

Muscles worked

Primary

Secondary

How the knowledge graph models this movement

Each joint action, with the role and emphasis the graph assigns each muscle. These are qualitative anatomical labels, not measured muscle activation.

Hip extensionprimary action
Gluteus maximus (prime mover, high emphasis); Biceps femoris long head (synergist, moderate emphasis); Semimembranosus (synergist, moderate emphasis); Semitendinosus (synergist, low emphasis); Adductor magnus (synergist, moderate emphasis)
Knee extensionprimary action
Rectus femoris (prime mover, high emphasis); Vastus lateralis (prime mover, high emphasis); Vastus medialis (prime mover, high emphasis); Vastus intermedius (synergist, moderate emphasis)
Ankle plantarflexionprimary action
Gastrocnemius (prime mover, high emphasis); Soleus (synergist, moderate emphasis)

From the Knowledge Library

Educational content only — not medical advice. Consult a qualified professional for individual guidance, especially around injury, pregnancy or medical conditions.