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The distal clavicle is involved more than the acromion. There may be subchondral cystic change, subchondral fracture, and distal clavicle periostitis

between the manubrium sterni, the proximal clavicle, and the cartilage of the first rib. The medial clavicle is enlarged, bulbous, and saddle-shaped. The

(referring to the medial clavicle dislocating posteriorly) can be sustained by a direct blow to the anteromedial aspect of the clavicle. Anterior displacement

chest radiograph showing both clavicles should be obtained if a clavicle fracture is expected. This can differentiate clavicle fractures from AC joint separations

the junction between the acromion process of the scapula and the distal clavicle. It is a plane synovial joint and forms part of the shoulder girdle (ACJ

destruction, extensive sclerosis, leading to enlarged clavicle Mucopolysaccharidoses - wide clavicles Tumoral (idiopathic) calcinosis - periarticular calcium

rotation Volume Conditions Adhesive Capsulitis, Clavicle Fractures, Coracoclavicular Joint Pain, Distal Clavicle Osteolysis, Facioscapulohumeral Dystrophy,

of the clavicle and scapula. The clavicle is able to move in three degrees of freedom. Elevation/Depression: Elevation refers to superior clavicle movement

is good to know is that the first rib could uniquely articulate with the clavicle by the costoclavicular joint. Typically, the ribs have the following anatomical

anterior access identify ACJ in the transverse plane; perpendicular to the clavicle, and optimise imaging and mark skin entry point clean skin and draw up

present. The scapula is a flat, irregularly shaped bone that connects the clavicle to the humerus, known in lay terms as the “shoulder blade.” The scapula

retract the shoulder, and palpating the joint at the medial end of the clavicle. Injection can be considered for those with persistent SCJ pain that is

as solitary exostoses or osteochondromata, malunion of fractures of the clavicle and acromion. Type IV: Joint - abduction and internal rotation contractures

The clavicle more commonly displaces anteriorly to the sternum, but posterior displacement is more dangerous, as the posteriorly displaced clavicle can

Ligaments Muscles Innervation Vasculature ROM Volume Acromioclavicular Joint Clavicle Scapula Coracoclavicular, coracoacromial, superior acromioclavicular, and

normally shaped and situated From above swelling of the shoulder deformity of clavicle asymmetry of supraclavicular fossae anterior and lateral aspects glenohumeral

Acromioclavicular Joint Joint type: Planar Joint Bones: Clavicle, Scapula Ligaments: Coracoclavicular, coracoacromial, superior acromioclavicular, and

sagittal plane: 3° of hyperextension to 155° of flexion Sternoclavicular Joint Clavicle Rib 1 Manubrium Sternoclavicular, costoclavicular, interclavicular ligs

Freiberg infraction: head of the second metatarsal Friedrich disease: medial clavicle Hass disease: humeral head Iselin disease: base of 5th metatarsal Kienböck

muscles) - most common. Costoclavicular space (between the first rib and clavicle) Pectoralis minor space (under the pectoralis minor) Double crush can also