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Bowstringing is a rare complication of trigger finger release caused by excessive
loss of the proximal pulleys. As the flexor tendon moves away from the center of rotation
of the metacarpophalangeal joint, the flexion moment arm is increased. Thus the flexors
gain an increased mechanical advantage over the extensors resulting in limited digital
extension. We describe a case of severe bowstringing progressing over 9 years resulting
in pain, altered digital function, and loss of full extension.
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Article info
Publication history
Accepted:
October 23,
1987
Received:
February 16,
1987
Footnotes
*No benefits in any form have been received or will be received from a commercial party related directly or indirectly to the subject of this article.
Identification
Copyright
© 1988 American Society for Surgery of the Hand. Published by Elsevier Inc. All rights reserved.
