SHOULDER ANATOMY

BONES - ANTERIOR SCAPULA G: subscapular fossa H: scapular notch Medial border Lateral border Superior angle Inferior angle Glenoid fossa Coracoid process Acromion process

BONES - ANTERIOR SCAPULA A: Acromion process B: Coracoid process C: Glenoid fossa D: Lateral border E: Inferior Angle F: Medial border G: Subscapular fossa H: Scapular notch I: Superior angle

BONES – POSTERIOR SCAPULA Ignore C and D for now Medial border Lateral border Inferior angle Spine of the scapula Superior angle Scapular notch Glenoid fossa Acromion process Coracoid process

BONES – POSTERIOR SCAPULA A: Superior angle B: Scapular notch E: Medial border F: Inferior angle G: Lateral border H: Glenoid fossa I: Spine of the scapula J: Coracoid process K: Acromion process

BONES - CLAVICLE Neck Sternal End Acromial End

C

BONES - HUMERUS D – Head of the humerus E – Bicipital groove A – Greater trochanter N – Olegranon fossa J/L - Epicondyles

MUSCLES – FLEXION AND EXTENSION Flexors

Pectoralis minorPectoralis majorCoracobrachilalisBiceps brachii

ExtensorsLatissimus DorsiTriceps BrachiiTeres Major

MUSCLES – ABDUCTION AND ADDUCTION Abduction

SupraspinatusDeltoid

AdductionLatissimus dorsi

MUSCLES – HORIZONTAL ADDUCTION AND ABDUCTION Horizontal Adduction

Pectoralis minorPectoralis majorLatissumus dorsi

Horizontal AbductionTeres minorPosterior deltoid

MUSCLES – INTERNAL AND EXTERNAL ROTATION Rotator cuff muscle group SITS

S-Supraspinatus I-InfraspinatusT-Teres minorS-Subscapularis (only IR)

MUSCLES – PROTRACTION AND RETRACTION Protraction

Serratus anterior

RetractionRhomboids