Band Jackknife Sit-up
Expert Advice
Control the descent to avoid any jerky movements and to keep constant tension on the abs.
How-to-do Steps
- Attach the band to a low anchor point and lie on your back with the band around your feet.
- Extend your legs and place your hands behind your head.
- Contract your abs and lift your torso while bringing your knees towards your chest.
- Slowly lower back down to the starting position and repeat for the desired number of repetitions.
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Muscles Worked
Band Jackknife Sit-up primarily targets the Quads, Abs, with Strength mechanics using Band. Understanding muscle activation patterns helps you focus on proper engagement and maximize training effectiveness.
Primary


Quads50%

Abs50%
Equipment
Band

Exercise Type
Strength
Sets & Reps Guidance
Beginner3 x 12-15
Intermediate3 x 10-12
Advanced4 x 8-10
Frequently Asked Questions
What muscles does Band Jackknife Sit-up work?
Band Jackknife Sit-up primarily targets the Quads, Abs. It is classified as a Strength exercise performed with Band.
How many sets and reps should I do for Band Jackknife Sit-up?
For beginners, start with 3 sets of 12-15. Intermediate lifters can do 3 sets of 10-12. Advanced athletes can push to 4 sets of 8-10. Adjust based on your goals and recovery capacity.
Is Band Jackknife Sit-up suitable for beginners?
Yes, Band Jackknife Sit-up is rated as a beginner-friendly exercise, making it an excellent starting point. Focus on mastering proper form before increasing intensity or load.