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Plastic surgery of elbow joint
The elbow to the wrist is a head length, and the sole of the foot is also a head length. You will find that elbow to wrist is as long as foot and head. By the way, the average arm length is 1.3 and the palm length is 0.7.

The elbow joint of elbow joint consists of the distal humerus and the proximal radioulna. Structurally, it includes three joints, which are wrapped in a joint capsule.

Humeral trochlear joint: The trochlear joint is composed of humeral trochlear notch and ulnar trochlear notch. Brachioradial joint: ball-and-socket joint, which is composed of the articular fossa of capitulum humeri and capitulum radius, should be able to move in three directions, but it can't be adducted and abducted due to the limitation of ulna. Proximal radioulnar joint: a cylindrical joint composed of radial annular articular surface and radial notch of ulna.

Elbow joint is one of the most prone parts of human body, with an annual incidence of about 0.006% ~ 0.008%, of which 49% can be complicated with fractures. Because of the special anatomical structure and treatment difficulty of elbow joint, the prognosis of patients with elbow joint dislocation combined with radial capitulum fracture and coronoid process fracture is still not ideal even if they are treated promptly and effectively by experienced orthopedic clinicians, so Hotchkis named this special fracture injury type as "Terrible Triad (TTI)".

Stiffness of elbow joint is a general term for the loss of elbow joint function due to various reasons, and these patients will have obvious life obstacles. At present, there is no standard treatment for this problem, but most orthopedic surgeons suggest to adopt open elbow joint release, which can release the contracture joint capsule, remove heterotopic ossification and hyperplasia of coronal process and acromion osteophyte, and restore elbow joint mobility.