band jack knife sit-up
band jack knife sit-up exercise guide with muscles, equipment, animation and step-by-step instructions. Target: abs. Equipment: band.
Secondary muscles
hip flexors
How to perform
- Lie flat on your back with your legs straight and your arms extended overhead, holding the band.
- Engage your abs and lift your legs and upper body simultaneously, bringing your hands towards your feet.
- Pause for a moment at the top, then slowly lower your legs and upper body back down to the starting position.
- Repeat for the desired number of repetitions.