Leaning Straight
(Standing Plank on the Ball)

Starting Position	Stand holding the ball against the wall at chest height as in the picture below. Put both hands on the ball at shoulder height. Step back so that your arms are straight.
Action	Hold this position. Do not allow your shoulder blades to get pushed out, shrug, or wing. If this happens you have reached technical failure - take a break. Hold your stance once into the leaning position and activate your abdominal muscles to prevent your hips from falling forward.
Physio Tips	This ball exercise is good to improve shoulder strength, stability and control.
Progression	The further you stand from the ball the more difficult this exercise ball exercise becomes. Try Static Pushup on Knees Get dynamic and try Wall Push Up