The humerus is the single bone that supports the upper arm region. It extends from the shoulder to the elbow and connects the scapula bone to the radius and the ulna, which support the lower arm. The proximal (upper) end of the humerus consists of a rounded head, a narrow neck, and two bump-like elevations called tubercles. At the distal (lower) end of the humerus are two knob-like protuberances (a condyle) that articulate with the heads of the radius and ulna. Above the condyle are two ... The humerus (/ ˈhjuːmərəs /; pl.: humeri) is a long bone in the arm that runs from the shoulder to the elbow. It connects the scapula and the two bones of the lower arm, the radius and ulna, and consists of three sections. The humeral upper extremity consists of a rounded head, a narrow neck, and two short processes (tubercles, sometimes called tuberosities). The shaft is cylindrical in its upper portion, and more prismatic below. The lower extremity consists of 2 epicondyles, 2 ... Learn about the humerus , the longest and largest bone of the upper limb, and its anatomical landmarks, muscular attachments and fractures. The humerus articulates with the scapula at the shoulder and the radius and ulna at the elbow. The humerus (plural: humeri) is a tubular bone of the arm that articulates proximally at the shoulder with the glenoid of the scapula, and distally at the elbow, with the radius and ulna. Gross anatomy Osteology The humerus begins proximally as...
