For: 1 MinuteREST: 1 MinuteGet down on all fours and place your hands on the floor so that they’re slightly wider than and in line with your shoulders.
Squeeze your glutes and brace your abdominals—as if you were about to be punched in the gut. Maintain these contractions for the duration of this exercise.
Your body should form a straight line from your ankles to your head.
Lower your body until your chest nearly touches the floor. Pause at the bottom, and then push yourself back to the starting position as quickly as possible. That’s 1 rep.