band jack knife sit-up

Equipment

band

Target muscle

abs

How to perform

1. 1

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

2. 2

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

3. 3

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

4. 4

   Repeat for the desired number of repetitions.