

Muscles worked
abs, hip flexors
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band jack knife sit-up
- Body part
- waist
- Equipment
- band
- Target muscle
- abs
- Muscle group
- hip flexors
Secondary muscles
How to perform it
- 1
Lie flat on your back with your legs straight and your arms extended overhead, holding the band.
- 2
Engage your abs and lift your legs and upper body simultaneously, bringing your hands towards your feet.
- 3
Pause for a moment at the top, then slowly lower your legs and upper body back down to the starting position.
- 4
Repeat for the desired number of repetitions.






