Classification
| Type | auxiliary |
| Mechanics | isolated |
| Direction | push |
| Equipment | leg extension machine |
| Additional Equipment | - |
Instructions
Preparation
Sit in machine with back against pad. Adjust back support so that knee joints are aligned with lever fulcrum. Place lower legs behind lever pad and grasp handles to sides.Execution
Extend knee until leg is straight. Return and repeat. Continue with opposite leg.Variations / Comments
Use handles to stabilize body while using heavy resistance (see stabilizers).
Starting Position 
Ending Position Muscles
| Target | Quadriceps |
| Synergist | - |
| Stabilizers | Trapezius, Upper | Trapezius, Middle | Brachialis | Biceps Brachii | Brachioradialis |
Front
Rear
