Week 1 Limbs

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Joints of the shoulder region

Sternoclavicular, Acromioclavicular, Shoulder (glenohumeral) Scapulothoracic (physiological joint)

Movements of the scapula

Movements at the shoulder

Sternoclavicular joint

• Classification

• articulating surfaces

• Ligaments

• Movements

Acromioclavicular Joint

• Classification

• Articulating surfaces

• Ligaments

• Movements

Shoulder Glenohumeral Joint

• Classification

• Articulating surfaces

• Ligaments

• Movements

Shoulder Glenohumeral Joint

• Associated Bursa

• Important factors enhancing stability

• Blood Supply

• Innervation

Joint Capsule

• Synovial Membrane lines fibrous capsule

• 2 openings: Long head of biceps brachii (synovial membrane forms tubular sheet), subscapularis bursa

• Redundant inferiorly

Glenoid labrum

• Deepens glenoid fossa

• Fibro-cartilaginous rim

• Attaches to outer rim of glenoid fossa

• Long tendons of biceps and triceps brachii

glenohumeral Ligaments

Capsular ligaments

Three sets of fibres:

• Superior

• Middle

• Inferior

Reinforce the anterior part of the joint capsule

coracohumeral ligament

Capsular ligament

Base of the coracoid process to anterior aspect of greater tubercle