- Strengthens the entire core musculature including the rectus abdominis, the lateral obliques, the transverse abdominis and also the gluteus maximus
– Rectus Abdominus – Transverse Abdominus – Obliques – Glutes
– Position yourself on a stability ball in a plank position with your elbows resting on the ball and your feet positioned behind you
– Keep your feet close together, if you feel unstable, feel free to widen your foot position