Sit on the floor. Allow your partner to stand behind you. Raise one arm up, and bend the elbow, attempting to touch your hand to your back. Your partner should hold your elbow and wrist. This is your starting position.
Attempt to extend the arm into the air as your partner holds your elbow and wrist preventing you from doing so.
After 10–20 seconds, relax the arm. Partner should stretch your tricep by applying gentle pressure to the wrist. Hold for 10–20 seconds. Switch the sides.