Planking exercise for abs

Planking Exercise | Plank Challenge

Planking Exercise | Plank Challenge Planking exercise has become all the rage, and for good reason!  This challenging movement is at the core of a healthy, fitbody!  With just the right balance of abdominal engagement and upper body strengthening most fitness experts agree that the plank is one of the top full body exercises.  Ready for a real test?  One …