How to do it
Press your feet firmly into the floor throughout each repetition.
- 1
Lie on your back with your knees bent and feet flat on the floor.
- 2
Place your hands behind your head without interlocking your fingers.
- 3
Lift your upper body off the ground, twisting to bring your right elbow towards your left knee.
- 4
Lower back down and repeat on the opposite side, bringing your left elbow towards your right knee.
- 5
Alternate sides for the desired number of repetitions.
Expert tip
Ensure you twist from your torso and not just your shoulders to fully engage the oblique muscles.
Common mistakes
- ✕Pulling the head forward with the hands
- ✕Twisting only from the shoulders
- ✕Using momentum to swing the torso upward