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The mechanism of injury for a distal tendon rupture is forced contraction under eccentric load. [1] [9] A few examples of forced contraction under eccentric load include mixed-grip deadlifts (one forearm pronated and the other supinated, putting the biceps under greater load), preacher curls, and the "kingsmove" technique in armwrestling.
Adhesive capsulitis (AC), also known as frozen shoulder, is a condition associated with shoulder pain and stiffness. [1] It is a common shoulder ailment that is marked by pain and a loss of range of motion, particularly in external rotation. [3] There is a loss of the ability to move the shoulder, both voluntarily and by others, in multiple ...
It identifies the presence of a pathology involving the biceps tendon or glenoid labrum. The specific positive findings to the test include pain in the bicipital groove indicating biceps tendinitis, [2] [3] subluxation of the long head of the biceps brachii muscle, [3] and presence of a SLAP tear. [4]
The patient is asked to either sit on an examination table or stand while performing this test. Examiner should be standing on the patient's lateral side or behind the arm being evaluated. Examiner will passively abduct the patient's shoulder (humerus) to 90 degrees. The patient is then asked to slowly lower or adduct the shoulder to their side.
[2]: 73 Also, the repeated-bout effect appears even after a relatively small number of contractions, possibly as few as two. In one study, a first bout of 10, 20 or 50 contractions provided equal protection for a second bout of 50 contractions three weeks later. [2]: 70 The reason for the protective effect is not yet understood.
The concentric phase is when you contract the targeted muscle—bringing the weight toward your shoulder in the biceps curl or pressing it away from your chest in the bench press, for example.
A SLAP tear or SLAP lesion is an injury to the superior glenoid labrum (fibrocartilaginous rim attached around the margin of the glenoid cavity in the shoulder blade) that initiates in the back of the labrum and stretches toward the front into the attachment point of the long head of the biceps tendon.
Scotland lock Richie Gray injured his biceps during the Six Nations opener against Wales and could miss the rest of the championship. Back-rower Luke Crosbie also came off injured in Cardiff, but ...