bowler's thumb

bowler's thumb

Sports medicine A nerve compression syndrome due to pressure of the ulnar and radial digital nerves of the thumb on the edge of the bowling ball's thumb hole Clinical Numbness, paresthesias, hypesthesia of skin distal to the nerve; BT may lead to perineural fibrosis and the formation of a painful nodule Treatment Rest, thumb guard, change grip, rounding off edge of hole in bowling ball; surgery is not indicated

bowl·er's thumb

(bō'lĕrz thŭmb)
Compression of the digital nerve on the medial aspect of the thumb, leading to paresthesia in the thumb.
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This revolutionary device enables the bowler to easily swap out the grips to accommodate changes in the size of the bowler's thumb during the course of play due to injury or changing temperature conditions and allows them to keep on bowling.