LEGS · ISOLATION
Leg Extension
A machine-based knee extension exercise that isolates the quadriceps.
Primary musclesQuads
Secondary muscles—
EquipmentLeg extension machine
DifficultyBeginner · Knee Extension
Original Gym Log exercise illustrations will be added in the next media phase.
For now, the database focuses on accurate, original written guidance.
For now, the database focuses on accurate, original written guidance.
How to perform
- Align the machine pivot with your knee.
- Extend the lower legs smoothly.
- Lower the pad under control.
Tips
- Control the movement and use a range you can repeat consistently.
- Choose a load or variation that lets you keep the quads as the intended focus.
Common mistakes
- Using more load or speed than you can control.
- Losing stable body position during the difficult portion.
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