The Best Ab Exercise of All Time: Plank
If you do only one move to work your abs it should be this one...
There is no exercise that works your abs more effectively and efficiently than the plank. All of your abdominal muscles (transverse, obliques and upper) have to work together to stabilize and support your entire body weight.
It also engages your glutes, shoulders, lats, arms, legs, shoulders. Almost... Read More ▸