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Clavicle 3 Primary Functions
Acts as a strut (resists compression)
Provides attachments for the surrounding musculature
transmits forces from upper limb to axial skeleton

Anterior Scapula

Posterior Scapula

Lateral Scapula

Proximal Humerus Anterolateral
Surgical neck, anatomical neck, head

Proximal Humerus Anterolateral
Greater tubercle, head, lesser tubercle

Humerus Posterior
Deltoid tuberosity, radial groove

Distal Humerus Anterior
Lateral epicondyle, capitulum, trochlea, medial epicondyle

Distal Humerus Posterior
Medial epicondyle, olecranon fossa, lateral epicondyle

Glenohumeral Joint
Stability
ligaments
rotator cuff muscles provide support
no tendinous support inferiorly, and therefore can dislocate
bursae
sub scapular bursa and subacromial bursa also provide protection

Acromioclavicular Joint
Plane, synovial joint
articulations
acromion (scapula)
lateral claavicle (acromial end)
support
capsule
superior acromioclavicular ligament
coracoclavicular ligament
movements
rotation (scapula)
anterior/posterior (SCJ)
