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“Snapping bottom”: Subluxation of the tendon of the long head of the biceps femoris muscle
Author(s) -
Rask Michael R.
Publication year - 1980
Publication title -
muscle and nerve
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.025
H-Index - 145
eISSN - 1097-4598
pISSN - 0148-639X
DOI - 10.1002/mus.880030311
Subject(s) - medicine , biceps , bursitis , anatomy , tenotomy , tendon , biceps femoris muscle , subluxation , ischial tuberosity , biceps tendon , surgery , pathology , alternative medicine
Subluxation of the tendon of origin of the long head of the biceps femoris muscle (or snapping bottom ) is a rare, previously unreported degeneration of the tendinous attachment of the muscle at the ischial tuberosity. It occurs in a patient who wears out this attachment through a lifetime of hyperflexion hip movements, such as are required in bending to reach the floor. The snapping of the tendon across its point of origin causes pain and swelling in the buttock. In the older nonathlete, if conservative measures fail, the treatment of choice is simple tenotomy. The condition should not be confused with weaver's bottom (ischiogluteal bursitis), even though it may be a cause for that bursitis.