The Anatomical Structure Of The Lateral Angle Of The Scapula

Description

Framed on the posterolateral scapula, the animation centers on the lateral angle with the glenoid cavity facing laterally and slightly anteriorly, transitioning into the neck of the scapula medially. As the sequence rotates the shoulder blade on a thoracic backdrop, the supraglenoid and infraglenoid tubercles come into view superiorly and inferiorly, with the coracoid process projecting anterolaterally and the base of the acromion sweeping posteriorly. Glenoid labrum attachment margins are indicated along the rim, and the relationship to the lateral border and spine of the scapula becomes clearer as the perspective changes. Clear bony landmarks. Clinically, this is the bony platform for the glenohumeral joint, where subtle variations in glenoid version and the contour of the glenoid rim influence anterior instability and recurrent shoulder dislocation. The animated rotation clarifies why the scapular neck is a common site referenced in glenoid fractures after trauma, and it helps learners connect the supraglenoid tubercle to the origin of the long head of biceps brachii and the infraglenoid tubercle to the origin of the long head of triceps brachii. Seeing the glenoid cavity’s orientation shift relative to the thorax also reinforces scapulothoracic positioning that underpins overhead motion and impingement patterns. Use this clip in upper limb gross anatomy and kinesiology teaching to anchor discussions of glenohumeral alignment, or in orthopedics and sports medicine content covering Bankart lesions, SLAP tears, and glenoid bone loss assessment. It also suits patient education and surgical publishing for arthroscopic portals and bony landmarks used in shoulder stabilization and fracture fixation. Anatomical accuracy verified by SciePro's Medical Advisory Board.