Anterior Border Of The Humerus In Anterior View

Description

Anterior border of the humerus runs as a longitudinal ridge down the anterior surface of the proximal shaft, beginning near the greater tubercle and aligning inferiorly toward the diaphysis. From this fixed anterior perspective, the greater and lesser tubercles bracket the intertubercular sulcus (bicipital groove) at the proximal end, while the anterior surface of the shaft sits medial to the deltoid tuberosity and lateral to the medial border leading toward the supracondylar region. The ridge reads as a subtle change in contour rather than a sharp crest, helping you orient proximal anatomy relative to the humeral head and surgical neck. Orientation is unambiguous. Understanding this anterior border matters when teaching surface anatomy of the brachium and when correlating radiographs or CT with palpable and surgical landmarks on the proximal humerus. The proximal humerus is a frequent site of fracture at the surgical neck, and appreciating how the anterior cortex and adjacent tubercles relate to the bicipital groove helps clarify displacement patterns that affect the long head of biceps tendon and the insertions of subscapularis and the rotator cuff around the tubercles. The anterior viewpoint also supports discussions of anterior surgical approaches (deltopectoral interval) by keeping attention on anterior cortical morphology rather than the posterior spiral groove region where the radial nerve courses. Use this illustration in upper limb osteology labs, orthopedic teaching files for proximal humerus fracture classification, and publisher layouts that need a clean anterior reference for labeling the greater tubercle, lesser tubercle, intertubercular sulcus, and proximal shaft contours. Anatomical accuracy verified by SciePro's Medical Advisory Board.