Core Reach (Body Twist)
- Body weight
1) Lie on your back with your feet planted on the floor - point your knees up towards the ceiling. Keep your arms by your sides.
1) Contract the core and reach your left arm across your body - the upper back should be off the floor at the endpoint.
2) Pause at the top. Now, slowly reverse the movement back to the starting position.
3) Repeat on the other side.