
3/4 sit-up
AbsBody weight

Step 1: Lie flat on your back with your arms extended straight above your head and your legs straight out in front of you.
Step 2: Place the roller between your feet and grip it with your toes.
Step 3: Engaging your abs, lift your legs off the ground and curl your knees towards your chest, rolling the roller towards your body.
Step 4: Pause for a moment at the top, then slowly lower your legs back down to the starting position, rolling the roller away from your body.
Step 5: Repeat for the desired number of repetitions.