Leg press

Seat locked, feet mid-platform, knees track with toes.

family=leg presspattern=machine squatforce=pushmechanic=compoundequipment=machine

Muscles

muscle emphasis · training guidance

quadsPRIME
glutes68
Primary
quads
Supporting
glutes

Mechanics

Pattern
machine squat
Equipment
machine
Geometry
90° Alignment
Target feel
Quads load deeply without hips lifting from the pad.
Progression
Add reps before plates; keep the same seat and foot setup.
Regression
Reduce depth if pelvis lifts or knees feel crowded.

Watch for

  • Cutting depth short
  • Letting hips curl off the seat

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 depth if pelvis lifts or knees feel crowded.
  2. Standard: Leg press
  3. Advanced / progression: Add reps before plates; keep the same seat and foot setup.

Atlas metrics

Movement pattern
machine squat
Primary target
quads
Supporting muscles
glutes
Equipment
machine
Joint geometry
90° Alignment
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 Leg press?
Seat locked, feet mid-platform, knees track with toes.
What should I feel during Leg press?
Quads load deeply without hips lifting from the pad.
What are common mistakes with Leg press?
Cutting depth short; Letting hips curl off the seat
How do I progress Leg press?
Add reps before plates; keep the same seat and foot setup.
What can I do instead of Leg press?
Hack squat, Belt squat, Goblet squat
Leg press verified exercise line-art diagram.
The movement · Knee 124°→4° · Hip 32°→12°
FgFe124→4° Knee158→158° Back32→12° Hip

Leg press: squat pattern, 2300 ms rep trace, engine-derived.

Train Leg press in Gym Mode → Browse the public Atlas →