Band jack knife sit-up

How to do it

1. 01

   Lie flat on your back with your legs straight and your arms extended overhead, holding the band.

2. 02

   Engage your abs and lift your legs and upper body simultaneously, bringing your hands towards your feet.

3. 03

   Pause for a moment at the top, then slowly lower your legs and upper body back down to the starting position.

4. 04

   Repeat for the desired number of repetitions.