The Clavicle (Collarbone) - Parts, Joints, and Common Injuries - Clinical Anatomy

Explore the comprehensive anatomy and clinical significance of the clavicle through this detailed 12-minute educational video that systematically covers the collarbone's structure, function, and medical relevance. Begin with the fundamental anatomy of the clavicle, examining its three main parts: the sternal end, acromial end, and body, along with important anatomical landmarks including the subclavian groove, conoid tubercle, trapezoid line, and various articular facets. Understand the two primary joints formed by the clavicle - the sternoclavicular joint connecting to the manubrium and the acromioclavicular joint linking to the scapula - and learn about the complex ligamentous structures that provide stability, including the costoclavicular, interclavicular, acromioclavicular, and coracoclavicular ligaments. Discover the functional importance of the clavicle as a structural strut that transmits forces from the upper limb to the axial skeleton while protecting vital neurovascular structures like the brachial plexus, subclavian artery, and subclavian vein. Examine the muscle attachments including the subclavius, pectoralis major, sternocleidomastoid, trapezius, and deltoid muscles. Delve into clinical anatomy by exploring common clavicular injuries and conditions such as fractures (particularly of the middle third), dislocations, acromioclavicular joint injuries, sternoclavicular joint problems, distal clavicular osteolysis, and cleidocranial dysplasia. Master essential clinical assessment techniques including the cross-body adduction test, piano key sign, and O'Brien's test for evaluating clavicular pathology. Learn about diagnostic imaging approaches using AP clavicle X-rays, CT scans, MRI, and chest X-rays, and understand treatment options ranging from conservative management with slings and physiotherapy to surgical interventions including fixation and distal clavicle excision.