The ulnar collateral ligament
supports the inside of the elbow and is responsible for holding the ulna to the distal end of the humerus.
The medial collateral ligament
(MCL) is one of four ligaments critical to the stability of the knee joint.
Gamekeeper's thumb is a common injury and is used to describe an acute or chronic injury of the ulnar collateral ligament
of the first metacarpophalangeal joint.
The examiner's thumb feels the medial collateral ligament
(just distal to the medial epicondyle) and the elbow is taken through full flexion and extension.
Campbell coined the eponym, gamekeeper's thumb, in 1955, to describe chronic laxity of the ulnar collateral ligament
Street completely tore her anterior cruciate ligament (ACL) and partially tore the medial collateral ligament
(MCL) (see diagram).
A scan has confirmed that the Brazil international damaged the medial collateral ligament
in his right knee during last Saturday's 2-2 draw with Aston Villa.
Vonn, who suffered a torn anterior cruciate ligament and torn medial collateral ligament
in her right knee and a fractured tibial plateau in a crash in her opening race at the Alpine Skiing World Championships in February, took to the slopes at a two-week US training camp in the Chilean resort of Portillo.
The 30-year-old suffered medial collateral ligament
damage during the 1-1 draw with Manchester United on Sunday and he was taken off in the 12th minute, with medical staff estimating the problem will lead to between three and four weeks on the sidelines, meaning he will face a race against time to be fit to face Liverpool at Stamford Bridge on October 25.
After a scan yesterday, the team said in a statement that he had suffered a sprained medial collateral ligament
in his right knee and was ruled out for about six weeks.
The ulnohumeral articulation provides 55% of the varus stability in extension and up to 75% in 90[degrees] of flexion; valgus stability is equally divided between the medial collateral ligament
(MCL), the anterior capsule, and the bony articulation, in both full extension and 90[degrees] of flexion.
After seeing specialists this week the England medical team confirmed he has torn the ulnar collateral ligament
in his right thumb and is expected to be out of action for five weeks.
An MRI exam Tuesday on Clippers' point guard Shaun Livingston's dislocated left knee revealed tears to the anterior cruciate ligament, posterior cruciate ligament, medial collateral ligament
and lateral meniscus.
Introduction: It has been shown that the asymptomatic, dominant elbow of professional baseball pitchers can demonstrate magnetic resonance (MR) imaging signal abnormalities of the ulnar collateral ligament
(UCL) consistent with a strain.
Achterberg is expected to be out for at least another three weeks after damaging the medial collateral ligament
in his knee during the defeat to Hull City last month.