How to do the Crunch (Straight Leg Up)
- 1Lie on your back with your legs straight up in the air.
- 2Place your arms straight up towards your feet.
- 3Engage your core and lift your shoulders off the ground.
- 4Reach your hands towards your feet while keeping your legs straight.
- 5Lower your shoulders back down to the starting position.
Muscle group
Core
Type
Reps Only
Equipment
None needed


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