Visual Workout: Five-Minute Plank to Abs of Steel
The Five-Minute Plank uses relative inactivity to challenge the abdominal muscles and strengthen them. In five minutes you get to exercise as many parts as possible of the muscle wall. The result: strong abs, a strong core, more power, better coordination... plus you get to look good on the beach.
visual workout minute plank abs steel minute plank use relative inactivity challenge abdominal muscle strengthen minute exercise part possible muscle wall result strong ab strong core power well coordination plus look good beach