Leg Presses (45 degree)
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45-degree leg press working the quads and adductors; a supplementary substitute for the squat with no spinal compression.
Detail
The 45-degree leg press is a supplementary exercise — a good substitute for the squat for clients who cannot perform the squat movement properly. There is little involvement of the rectus femoris in the 45-degree leg press. Tight hamstrings (and Achilles tendon) restrict ROM for eccentric movements in the squat and leg press. For the incline leg press: no compressive forces on the spine; keep glutes always on the seat pad; check hip-knee-ankle joint positioning. Narrow stances (less than hip width) tend to contact the upper body earlier, limiting ROM; wide stances (more than hip width) give better ROM.
Key facts
- Primary Muscles: Vastus Lateralis, Vastus Medialis, Vastus Intermedius, Adductor Brevis, Adductor Magnus.
- Secondary Muscles: Adductor Longus, Gluteus Maximus.
- Little rectus femoris involvement (45-degree press).
- Supplementary substitute for the squat; no spinal compression.
Connections
- quadriceps — quad emphasis.
- hip-adductors — adductors primary.
- gluteus-maximus — secondary hip extensor.
- squat — the structural exercise it substitutes for.
Educational content only — not medical advice. Always consult a qualified professional for individualized guidance, especially around injury, pregnancy, or medical conditions.