Move 5: Inchworm
Targets: shoulders, back, chest, core.
Stand with your feet shoulder-width apart. Bend at your waist and place your fingertips in front of your feet.
(A) Walk your hands forward to reach a plank position.
(B) With your hands beneath your shoulders and your back straight, do a push-up. Now walk your feet to meet your hands. Continue inching forward in this way for 25 feet. Turn around and repeat the move until you get back to the starting point.