45-Degree Leg Press
High-load quadriceps builder removing spinal compression for intense leg hypertrophy.
3D Visual Form & Technique Demonstration
Biomechanically verified form execution and joint angle cues.
Sit on leg press with lower back and glutes pressed completely flat against backrest. Place feet shoulder-width on platform, release safety handles.
- Primary Muscle: LEGS
- Secondary Synergists: GLUTES
- Rest Interval: 90 seconds between sets
45-Degree Leg Press Anatomy Activation
Primary motor unit recruitment for legs with secondary synergist stabilizers.
Step-by-Step Execution Guide
Sit on leg press with lower back and glutes pressed completely flat against backrest.
Place feet shoulder-width on platform, release safety handles.
Lower sled until knees reach 90 degrees without letting lower back peel off pad.
Press sled back up through mid-foot without snapping knees into hyperextension.
Common Mistakes & Form Fixes
Allowing lower back to curl off pad (major lumbar disc risk).
Locking knees hard at top.
Never let your pelvis tuck or round at the bottom of the movement.
Alternative Exercises & Swaps
If the equipment is occupied or you need a joint-friendly variation, substitute with these approved movements:
