Instructions
- Lie back on the bench with your hand on your head
- Sit straight up
- Half way through the motion twist at the trunk
- Reach your elbow across to the opposite knee
- Twist back to centre and lower yourself so your upper back touches the bench
- Repeat with other side
- All movement should be generated by your abs, try to minimize the use of the hip flexors
Muscles involved
- Rectus Abdominis
- Iliopsoas
- Obliques