Works: Spinal muscles, back of shoulders
- Lie face down on your stomach with arms and legs extended. Keep your neck in a neutral position.
- Keeping your arms and legs straight (but not locked) and torso stationary, simultaneously lift your arms and legs up toward the ceiling to form an elongated U shape with your body — back arching and arms and legs several inches off the floor.
- Hold for two to five seconds and lower back down to complete one.
- Do three sets of 12.