Iron Mountain Climber
The Iron Mountain Climber exercise works chest, back, and abs. Do 8 reps per leg.
-Slimmer in 7 Days. Iron mountain climber, holding on to the handles of the dumbbells, as shown is easier on your wrists than the palms on the floor version of this move you did in P.E. class. Pretend your legs are like pistons going at a speedy pace.