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The radiocarpal joint or wrist joint is an ellipsoid joint formed by the radius and the articular disc proximally and the proximal row of carpal bones distally. The wrist joint has intrinsic and extrinsic stabilising structures 1,3. The intercarpal and midcarpal joints are enclosed by an irregular two layered, joint capsule. Radial Collateral Ligament of the Wrist: The radial collateral ligament of the wrist is a ligament located in the wrist. The anatomy of the wrist includes bones, ligaments and tendons, muscles, blood vessels and nerves.The wrist is a condyloid synovial joint. The wrist is a complex joint that joins the arm to the hand. In the wrist, the eight carpal bones are surrounded and supported by a joint capsule. It often occurs in tennis players creating maximal topspin. After a wrist injury, ligament damage may result in an unstable joint. Although arthroscopy remains the gold standard for diagnosis of these injuries, plain films and advanced imaging are useful adjuncts. There are eight smaller bones through the wrist, called the carpal bones. It is becoming more common for doctors to use magnetic resonance imaging (MRI) to create pictures that look like slices of the wrist joint, including soft tissues like ligaments. Wrist Ligamentous Anatomy and Pathogenesis of Carpal Instability. The scapholunate ligament is a key element in stabilizing the foundation of the wrist (the scapholunate joint). The most common place for a wrist sprain is at the ulnocarpal joint — the joint between the arm bone and wrist … The wrist joint is a complex joint which connects the forearm to the hand, allowing a wide range of movement. The ulna stays in a stable position while the radius rotates around it. The distal radioulnar joint is located between the radius and the ulna at the wrist. The wrist ligaments carry consistent histologic features, which are, to a degree, ligament-specific. Once this is done, a tendon graft is used to replace the ligaments that have been torn. A sprain happens when there’s damage to a ligament. Articular cartilage covers the ends of each bone at each joint. The wrist is one of the most complex joint of the body which has got six ligaments that serve as a connection between or across the bones. Wrist anatomy is the study of the bones, ligaments and other structures in the wrist. In contrast, a greater proportion of the total range (80 o) of wrist flexion occurs at the midcarpal joint, which is also the primary joint involved in wrist adduction and abduction 2. The splint may remain for 4 to 6 weeks. A joint capsule is a watertight sac that surrounds a joint and contains lubricating fluid called synovial fluid. Distal Radioulnar Joint Ligament Tears: A tear of one of the distal radioulnar joint ligaments leads to rotational wrist instability, making this injury especially important to have diagnosed by an orthopedic hand and wrist specialist so that appropriate treatment can begin. Although most people speak of the wrist as a single joint between the forearm and hand, the wrist actually contains many joints that link 15 separate bones. There are a number of ligaments in the wrist, however, the ligaments that are of most importance are the scapholunate ligament (on the back of the wrist) and what is known as the TFCC or triangular fibrocartilage complex. The reason that ligament injuries in the wrist are so complex is because the wrist joint is very complicated. A tear can be partial or complete, stable or unstable. Disruption of either of these ligaments leads to a pattern of instability that, left untreated, leads to altered mechanics of the wrist and ultimately debilitating arthritis and collapse. As the joint in the finger is straightened, this ligament tightens to keep the PIP joint from bending backward. Other ligaments stabilize the joints … The lunotriquetral ligament is a band of tissue that connects bones in the wrist. A strain is also a stretch or tear, but it happens in a muscle or a tendon. Torn ligament in wrist can be a complex condition and it is important to understand its symptoms, treatment and surgery. lunotriquetral ligament; scapholunate ligament … The ligaments of the wrist. The majority of capsular ligaments are made up of longitudinally oriented laminated collagen fascicles surrounded by loosely organized perifascicular tissue, which are in turn surrounded by the epiligamentous sheath. Ligaments of the Wrist and Hand. Ligament sprains range from mild stretches to partial tears. This is a combination of ligaments and cartilage which holds together the radius and the ulna and is responsible in part for the stable rotation of the forearm. The radiocarpal joint is located where the radius meets the first row of carpal bones. Ligaments form the connections between the different bones in the wrist (Figure 1). 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