5 Plank Exercises to Tone Your Entire Body | BodyRock
5 Plank Exercises to Tone Your Entire Body | BodyRock: "here’s nothing better than an exercise move that kills multiple birds with one stone. Not only is it a full body burner, but it also saves you time trying to incorporate a multitude of moves to get the job done. Plank is one of those staples in the exercise community that everyone loves to hate and hates to love. It’s easy to get into, but takes motivation to hold."