LEGS · ISOLATION
Leg Curl
A machine exercise that trains the hamstrings through knee flexion.
Primary musclesHamstrings
Secondary musclesCalves
EquipmentLeg curl machine
DifficultyBeginner · Knee Flexion
How to perform
- Set the machine so the knee joint aligns with the pivot.
- Curl the pad through a controlled range.
- Lower slowly without letting the weight slam down.
Tips
- Control the movement and use a range you can repeat consistently.
- Choose a load or variation that lets you keep the hamstrings as the intended focus.
Common mistakes
- Using more load or speed than you can control.
- Losing stable body position during the difficult portion.
Watch how to perform it
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