Fysiqal

Isolation · Beginner

Single-Leg Leg Extension

Isolation isolation exercise using machine.
Movement pattern
Isolation
Difficulty
Beginner
Equipment
Machine
Mechanics
Isolation
Sides
Unilateral
Main plane
Sagittal

Free account. Log your sets of Single-Leg Leg Extension and each workout shows your best set by estimated 1RM.

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How to do the Single-Leg Leg Extension

Not yet reviewed — the technique guide for this exercise hasn't been signed off, so it isn't published here yet.

Muscles worked

Primary

Secondary

None listed in the graph
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.

  • Knee extensionprimary action

    Rectus femoris (prime mover, high emphasis); Vastus lateralis (prime mover, high emphasis); Vastus medialis (prime mover, high emphasis); Vastus intermedius (prime mover, high emphasis)

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From the Library

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