multidirectional instability

'multidirectional instability' can also refer to...


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Laxity of multi-axial joint in all directions. Some swimmers, for example, have highly flexible shoulder joints that are lax in all directions in the absence of any trauma. This instability appears to be mainly due to an anterior glenohumeral inferior laxity, which can cause pain in different phases of an overhead stroke, such as the front crawl or butterfly. Diagnosis is by downward traction on the humerus, which causes a sulcus (downward infolding of soft tissue) to appear between the humeral head and the acromion process.

Subjects: Sports and Exercise Medicine.

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