bottoms-up

How to do this exercise

1. Step:1 Lie flat on your back with your legs extended and your arms by your sides.
2. Step:2 Bend your knees and bring them towards your chest, keeping your feet off the ground.
3. Step:3 Engaging your abs, lift your hips off the ground, bringing your knees towards your head.
4. Step:4 Pause for a moment at the top, then slowly lower your hips back down to the starting position.
5. Step:5 Repeat for the desired number of repetitions.