Seated leg curl

Knee aligned with pivot, thigh pad locked, toes relaxed.

family=leg curlpattern=knee flexionforce=pullmechanic=isolationequipment=machine

Muscles

muscle emphasis · training guidance

hamstringsPRIME
Primary
hamstrings
Supporting
None listed

Mechanics

Pattern
knee flexion
Equipment
machine
Geometry
Variable Range
Target feel
Hamstrings pull the pad down without hips lifting.
Progression
Add slow eccentric before adding stack weight.
Regression
Reduce range if cramping or hip lift appears.

Watch for

  • Seat set too far
  • Rushing the eccentric

Equipment context

The machine fixes the movement path, reducing stabilizer demand and letting you focus on the target muscle.

Substitutions

Progression ladder

  1. Beginner / regression: Reduce range if cramping or hip lift appears.
  2. Standard: Seated leg curl
  3. Advanced / progression: Add slow eccentric before adding stack weight.

Atlas metrics

Movement pattern
knee flexion
Primary target
hamstrings
Supporting muscles
None listed
Equipment
machine
Joint geometry
Variable Range
Alternatives
3 substitutions

Evidence & limits

Last reviewed against peer-reviewed biomechanics references. Exercise descriptions are framed as training guidance, not medical advice.

Source: ExRx.net Exercise & Muscle Directory

Eccentryx is fitness software. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease, injury, or medical condition. Consult a licensed physician before beginning any exercise program.

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FAQ

How do I set up Seated leg curl?
Knee aligned with pivot, thigh pad locked, toes relaxed.
What should I feel during Seated leg curl?
Hamstrings pull the pad down without hips lifting.
What are common mistakes with Seated leg curl?
Seat set too far; Rushing the eccentric
How do I progress Seated leg curl?
Add slow eccentric before adding stack weight.
What can I do instead of Seated leg curl?
Lying leg curl, Slider leg curl, Nordic curl
Seated leg curl verified exercise line-art diagram.
The movement · Knee 24°→111°
FgFe24→111° Knee110→110° Trunk6→6° Hip

Seated leg curl: isolation pattern, 2000 ms rep trace, engine-derived.

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