2023年10月30日 · The humerus is the longest and largest bone of the upper limb. It consists of a proximal end, a shaft and a distal end, all which contain important anatomical landmarks. The humerus articulates with the scapula proximally at the glenohumeral joint so it participates in the movements of the shoulder.

2024年10月29日 · 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 .

2025年1月28日 · The humerus is the long bone of the upper arm or forelimb in humans and other vertebrates. It is the largest bone in the arm, extending from the shoulder to the elbow. ... The prominent bony knobs on the distal humerus, located just above the trochlea and capitulum. [8] These epicondyles serve as attachment points for various muscles, including ...

2024年4月3日 · 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. The humerus begins proximally as a rounded head and joins the greater and lesser tubercles via the anatomical neck of the humerus.

2021年8月11日 · The lower end of the humerus is the distal humerus, containing two joint-forming processes, the capitulum and the trochlea. The trochlea tightly hinges with the forearm’s ulna, forming half of the elbow joint.

The humerus is relatively straight in the coronal plane but it has an apex posterior bow of approximately 10° at the junction of approximately middle and distal one third in the sagittal plane. 1 (Fig. 1).

2023年8月7日 · At the distal portion of the humerus, there exists a widening of the bone that forms the medial and lateral epicondyles. The distal portion of the humerus ends with an area referred to as the condyle, which is composed of the trochlea, capitulum, olecranon, coronoid and radial fossae. [3] .

The articular block and both columns form an asymmetric triangle, which is the base for the stability of the distal humerus. The columns embrace the articular block from each side. The lateral column has a teardrop cross-section shape (ie, it resists torsion better).

2024年7月1日 · anatomy of the distal articular surface of the humerus. The capitellotrochlear sulcus divides the capitellar and trochlear articular surfaces. The lateral trochlear ridge is the key to analyzing humeral condyle fractures. In Type I fractures, the lateral trochlear ridge remains with the intact condyle, providing medial to lateral elbow stability.

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 lateral extensions called epicondyles. The central portion of the humerus consists of an elongated, cylindrical shaft connecting the bone’s two ends.