Movement:
Lie flat on your back with your legs on a Stability Ball. With your hands beside your head crunch up by contracting the abdominal muscles (not a full sit up, crunch up so you are just lifting your shoulder blades off the floor).
Movement:
Lie flat on your back with your legs on a Stability Ball. With your hands beside your head crunch up by contracting the abdominal muscles (not a full sit up, crunch up so you are just lifting your shoulder blades off the floor).