Pectoral mobilisation with ball (Pectoralis trigger point pin and stretch (ball), prone; 01)

Lie on your stomach.
Take the ball and put it underneath the muscle at the front of your chest, near your shoulder.
Take your hand and rest it on the small of your back.
From that position move your arm in a sweeping motion above the head.
Return the arm to the starting position and repeat.
Make sure to stay strictly on the soft muscular part of the chest.