VARIATIONS OF THE ABDOMINAL PLANK WITH MATERIAL
In this publication I will show variations of the abdominal plank, using material and hindering its execution. Execute the abdominal plank positioning a bosu on the upper body (forearms). Execute the abdominal plank positioning a bosu on the lower body (feet). Execute the abdominal plank positioning a bosu on the upper body (forearms) and on the lower body (feet). Execute the abdominal plank positioning a fitball on the upper body (forearms). Execute the abdominal plank positioning a fitball on the upper body (forearms) and a bosu on the lower body (feet). You could find more information in this link: https://drive.google.com/open?id=1Ks7AUwU1TTH-RbMJ8LYV-kkOzPnIS2ZT