Band jack knife sit-up
Abs Resistance band
How to do it
- 1Lie on your back with your legs straight and arms extended overhead, holding the band.
- 2Brace your core and lift your legs and upper body together, reaching your hands toward your feet.
- 3Pause briefly at the top, then lower your legs and upper body under control back to the start.
- 4Repeat for the desired number of repetitions.
More abs exercises
- Sit-up with arms on chestBodyweight
- Curl-upBodyweight
- Hanging straight twisting leg hip raiseBodyweight
- Hanging leg hip raiseBodyweight
- Cable standing crunchCable
- Band bicycle crunchResistance band
- Spine twistBodyweight
- Cable tuck reverse crunchCable
See it moving
In the app every exercise comes with its animation and the muscle marked on the body, with the set timer and the rests counted.
See NiudThis page is for information and doesn’t replace a professional. If you have an injury or a medical condition, ask first. Data from the open catalogue hasaneyldrm/exercises-dataset, MIT licence.

