Fysiqal

Intermediate

Box Jump

Compound exercise using plyo box.
Box Jump demonstration (no audio).
Difficulty
Intermediate
Equipment
Plyo box
Mechanics
Compound
Sides
Bilateral
Main plane
Sagittal

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How to do the Box Jump

Cues reviewed by Kwabena Osei on

Setup

Stand a comfortable distance from a sturdy, non-slip box -- one you can land on with your hips ending up above parallel, not one so tall you have to fold into a deep tuck.

  1. Dip down with a counter-movement and swing your arms back, then explode up and land softly on top of the box with your whole foot, hips back, knees tracking over your toes.

  2. Step back down off the box -- never jump down -- to spare your joints and Achilles.

Common mistakes

  • Jumping down off the box repeatedly instead of stepping down, which turns a joint-friendly drill into unnecessary high-impact landing stress.

  • Choosing a box that's taller than you can land on above parallel -- that just adds a deep hip tuck, not more power, and raises the risk of a shin-scrape on a miss.

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)

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