Shoulder Abduction: The act of raising the shoulder and moving the arm laterally away from the side of the body. Agonists (Prime Movers): Supraspinatus, deltoid (anterior head), deltoid (middle head), deltoid (posterior head) Synergist: Infraspinatus #shouldermobility #shouldermobilityexercise #rotatorcuff #rotatorcuffexercise #shoulderpain #shoulderpaintreatment #shoulderpainexercises #shoulderpainrelief #osteopathy #osteopathic #physiotherapy #physiotherapist #chiropractor #manualtherapy #soft