The curlup is a bodyweight exercise targeting the abdominal muscles. It involves lying on your back, bending your knees, and curling your upper body towards your knees to engage the abs.
Also Works
Hip Flexors
How to Perform
1
Lie flat on your back with your knees bent and feet flat on the ground.
2
Place your hands behind your head with your elbows pointing outwards.
3
Engaging your abs, slowly lift your upper body off the ground, curling forward until your torso is at a 45 degree angle.
4
Pause for a moment at the top, then slowly lower your upper body back down to the starting position.