The use of this exercise is to strengthen back extensor muscles. Incorporates the use of a stability ball.

How to perform this exercise:

• Lay with your stomach on a stability ball. Place your hands behind your head
  
• Try and tighten your abdominal muscles and engage your low back muscles by contracting your glutes
  
  • You should be lifting your shoulders and chest off the ball
• Repeat 10-15 times