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In human anatomy, the radial (RCL) and ulnar (UCL) collateral ligaments of the metacarpophalangeal joints (MCP) of the hand are the primary stabilisers of the MCP joints. [1] A collateral ligament flanks each MCP joint - one on either side. Each attaches proximally at the head of the metacarpal bone, and distally at the base of the phalynx.
The ulnar collateral ligament (UCL) can become stretched, frayed, or torn through the repetitive stress of the throwing motion. The risk of injury to the UCL is believed to be extremely high, as the amount of stress through the structure approaches its ultimate tensile strength during a hard throw.
A sprain is a soft tissue injury of the ligaments within a joint, often caused by a sudden movement abruptly forcing the joint to exceed its functional range of motion. Ligaments are tough, inelastic fibers made of collagen that connect two or more bones to form a joint and are important for joint stability and proprioception , which is the ...
A sprain is a type of acute injury which results from the stretching or tearing of a ligament. Depending on the severity of the sprain, the movement on the joint can be compromised since ligaments aid in the stability and support of joints. Sprains are commonly seen in vulnerable areas such as the wrists, knees and ankles.
During activities such as overhand baseball pitching, this ligament is subjected to extreme tension, which places the overhand-throwing athlete at risk for injury. [4] Acute or chronic disruption and/or attenuation of the ulnar collateral ligament often result in medial elbow pain, valgus instability, and impaired throwing performance. There ...
The ulnar collateral ligament of elbow joint is in relation with the ulnar nerve. The nerve is the largest in the human body unprotected by muscle or bone, so injury is common. [ 1 ] This nerve is directly connected to the little finger , and the adjacent half of the ring finger , innervating the palmar aspect of these fingers, including both ...
The shoulder joint has a very loose joint capsule, which can sometimes predispose the shoulder to dislocate. [ citation needed ] The "U shaped" dependent portion of the axillary part of the capsule ,located between the anterior and posterior bands of inferior glenohumeral ligament, is called "axillary pouch".
Ulnar collateral ligament of elbow joint; Ulnar collateral ligament of thumb This page was last edited on 25 July 2023, at 20:20 (UTC). Text is available under the ...