Shoulder Subdivisions
ANTEROLATERAL
REGION
Subscapularis
Biceps brachii
Supraspinatus
Supraspinatus & Subacromial space
Rotator Cuff Interval
Acromioclavicular joint
Glenohumeral Ligaments
POSTEROLATERAL
REGION
Teres minor & infraspinatus
Glenoid labrum & capsule
SCAPULAR
REGION
Supraspinatus
Infraspinatus
Scapular Notches & Posterior labrum