4B-Swiss Ball Lenghten On Elbow
4B Start by lying on your elbows on a SB, extend the arms forward while holding the plank position. Do the exercise for 10 reps. Keep your back straight and your abs contracted.
* To increase the intensity, bring the arms farther forward and firmly plant your feet.
* Alternative: if too difficult, do it on your knees.
* To increase the intensity, bring the arms farther forward and firmly plant your feet.
* Alternative: if too difficult, do it on your knees.