How to do it
Drive the rotation from your rib cage to reach the elbow across.
- 1
Lie on your back with your hands behind your head.
- 2
Bend your knees to 90 degrees, lifting your feet off the ground.
- 3
Crunch up by lifting your shoulders off the floor and bringing your right elbow towards your left knee, while your right leg remains in the air.
- 4
Return to the starting position and repeat on the opposite side.
- 5
Continue alternating sides for the desired number of repetitions.
Expert tip
Ensure you are contracting your abs fully with each crunch, and avoid pulling on your neck with your hands.
Common mistakes
- ✕Dropping the suspended leg to the floor
- ✕Arching the lower back off the ground
- ✕Using momentum to bounce between reps