- Tuck in your chin.
- Push your head back against your hands or the floor (if your are lying on your back).
- Hold 5 counts. Do 20 repetitions.
Alternate or extension:
- Place your hand on the side of your head.
- Tuck in your chin and push your head to the side, against your hand. Hold 3 to 5 counts. Do 10 to 20 repetitions.