Download Lagu MP3 & Video: If An Individual Should Fall With An Outstretched Arm They Often Dislocate Their Shoulder This Type Of Injury Commonly Affects The Acromioclavicular Ac Joint Which Bones Articulate To Form This Joint The Acromion Of The Scapula And The Humerus The Sternum And Humerus The Acromion Of The Scapula And The Lateral End Of The Clavicle The Sternal End Of The Scapula And The Medial End Of The Clavicle