Mountain Climber: Up
Muscles Targeted: Cardiopulmonary system, chest, shoulders, lower abs, transverse abs
Starting Position: Start in a plank position with your feet hip-width apart.
Performance Description: Bend your knee and jump up, bringing your right thigh under the right side of your torso and leaving your left leg out behind you.
Tips: Keep your pace as fast as possible, and don't stick your glutes in the air.