Jack Knife twist

Main Muscles Affected

• Abdominal muscles

Exercise Difficulty

Medium difficulty

Performing the Jack Knife twist:

1. Get into a semi-sitting position and hold onto the sides of the bench for extra support
2. Keep your knees bent and keep your ankles lower than your knees
3. Raise your pelvis towards your chest and rotate your knees to one side until your lower legs are parallel to the floor
4. Return to the starting position and alternate sides.

• Move your back and carry as you rotate your knees to the sides.