Description:
The Isometric Leg Extension Hold is a lower body isolation exercise that targets the quadriceps along with the glutes and hamstrings.
Benefits:
- Builds strength and size in the quadriceps.
- Develops the glutes and hamstrings.
- Carries over to athletic and everyday movement.
- Trains the lower body through a strong range of motion.
- Strengthens the core for stability.
Profile:
| Equipment: | Bodyweight |
| Type: | Bodyweight (Compound) |
| Resistance Type: | Body Weight |
| Level: | Intermediate |
Muscles:
Primary Muscles
- Quadriceps
Secondary Muscles
- Tibialis Anterior
Classification:
| Mechanics: | Isolated |
| Force: | Push |
| Utility: | Auxiliary |
Instructions:
- Sit in the leg extension machine with your shins behind the pad and your knees at the edge of the seat.
- Extend your knees to lift the pad until your legs are nearly straight.
- Squeeze your quads at the top.
- Lower under control without letting the weight rest down.
- Repeat for the desired reps.
Common Mistakes:
- Letting the knees cave inward.
- Rounding the lower back.
- Cutting the depth short.
- Rising onto the toes instead of driving through the heel.
- Using momentum instead of control.
Variations:
- Barbell Full Squat
- Dumbbell Lunge
- Leg Press
- Bulgarian Split Squat
Safety Tips:
- Keep the knees tracking over the toes.
- Keep the core braced and back flat.
- Use a load you can control through a full range.
- Use safeties or a rack when squatting heavy.
- Stop if you feel knee or back pain.
Additional Information:
Quad focused movements build the front of the thigh. Control the lowering phase and reach a full, safe depth to get the most from each rep.
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