1) From a standing position, place one end of a resistance band under your foot and hold the other end in your hand.

2) Your elbow should be pointed upward with your arm bent and your hand holding the fitness tube just above and behind your shoulder. The band will be running up the length of your body behind you.

3) Raise the forearm part of your arm straight up until your arm is fully extended. Do not move the top half of your arm through the exercise.

4) Release and repeat.