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Learn about the humerus , the long bone of the upper arm that connects the shoulder and elbow. Find out its anatomical features, articulations, muscle attachments, nerve and vascular structures, and bone composition. The humerus (Latin: humerus ) is a long bone that forms the skeleton of the free upper arm. The humerus is a long bone of the upper limb, which extends from the shoulder to the elbow. The proximal aspect of the humerus articulates with the glenoid fossa of the scapula, forming the glenohumeral joint. Distally, at the elbow joint, the humerus articulates with the head of the radius and trochlear notch of the ulna. In this article, we shall look at the anatomy of the humerus – its bony landmarks and clinical correlations. Humerus is a long upper arm bone. As it is one of the longest bones in the body, it is more prone to fractures when struck. The word " humerus " comes from the Latin word " humerus ," which means "the upper arm." It is made up of three parts: a proximal end, a shaft, and a distal end, all of which have crucial anatomical markers. The humerus articulates proximally with the scapula at the glenohumeral joint, allowing it to participate in shoulder movements. At the elbow joint, the humerus has ...
