Flexion leg sit up (bent knee)

How to do it

1. 1Lie on your back with knees bent and feet flat on the floor.
2. 2Place your hands behind your head with elbows pointing outward.
3. 3Engage your core and lift your upper body slowly off the floor, curling forward until your torso forms a 45‑degree angle.
4. 4At the same time, lift your legs off the floor, bending the knees and bringing them toward your chest.
5. 5Pause briefly at the top, then lower your upper body and legs slowly back to the start.
6. 6Repeat for the desired number of reps.

More abs exercises

• Sit-up with arms on chestBodyweight
• Curl-upBodyweight
• Hanging straight twisting leg hip raiseBodyweight
• Hanging leg hip raiseBodyweight
• Cable standing crunchCable
• Band bicycle crunchResistance band
• Spine twistBodyweight
• Cable tuck reverse crunchCable

This page is for information and doesn’t replace a professional. If you have an injury or a medical condition, ask first. Data from the open catalogue hasaneyldrm/exercises-dataset, MIT licence.