Relationship Between Deltoid and Rotator Cuff Muscles During Dynamic Shoulder Abduction: A Biomechanical Study of Rotator Cuff Tear Progression. - Dyrna, Felix; Kumar, Neil S.; Obopilwe, Elifho; Scheiderer, Bastian; Comer, Brendan; Nowak, Michael; Romeo, Anthony A.; Mazzocca, Augustus D.; Beitzel, Knut (American Journal of Sports Medicine, 2018)