If you tend to focus on training your "mirror muscles" — the ones you can see, like your abs, pecs and biceps — then the reverse plank march is a move worth knowing about.
It strengthens the whole posterior chain, so all the muscles you might well be neglecting if you focus on the front of your body in your workouts. The reverse plank march works the back, glutes, hamstrings and calves while also firing up your core.
