Fysiqal

Isolation · Advanced

Nordic Hamstring Curl

Isolation isolation exercise using bodyweight.
Movement pattern
Isolation
Difficulty
Advanced
Equipment
Bodyweight
Mechanics
Isolation
Sides
Bilateral
Main plane
Sagittal

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How to do the Nordic Hamstring Curl

Cues reviewed by Kwabena Osei on

Setup

Kneel with your ankles anchored under a sturdy object or held by a partner, hips straight, torso upright to start.

  1. Lower your torso forward as slowly as possible, resisting the fall with your hamstrings -- this is trained mainly as a slow eccentric, since your hamstrings are far stronger lowering than lifting.

  2. Push off your hands at the bottom and use them to assist your way back up if needed.

  3. Scale the difficulty by how much hand assistance you use -- from heavily assisted negatives up to a full unassisted Nordic curl.

Common mistakes

  • Dropping quickly instead of controlling the descent -- the slow negative is the entire point of this exercise.

  • Skipping a thorough warm-up and progressing too fast -- the hamstrings are highly susceptible to strain in this movement, so build range gradually.

Muscles worked

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 flexionprimary action

    Biceps femoris long head (prime mover, high emphasis); Biceps femoris short head (prime mover, high emphasis); Semitendinosus (prime mover, high emphasis); Semimembranosus (prime mover, high emphasis); Gastrocnemius (synergist, moderate emphasis); Gracilis (synergist, low emphasis)

  • Hip extensionsecondary action

    Gluteus maximus (stabilizer, moderate emphasis); Erector spinae (stabilizer, 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.