(Mallet Finger; Boutonniere Deformity)
- Mallet finger—the tendon is affected at the last joint on the finger, usually from a jammed finger
- Boutonniere Deformity—the tendon is affected at the middle joint, usually caused by an arthritis-like condition
|Extensor Tendons of the Hand|
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- A cut or laceration to back of hand or fingers
- Broken bones
- A crush injury
- An open wound or cut
- Jamming a finger
- Nerve compression
Participating in certain sports
- Inability to open hand or fingers
- Numbness or weakness
- Cut to back of hand or fingers
- Jammed finger
American Academy of Orthopaedic Surgeons http://orthoinfo.aaos.org
American Society for Surgery of the Hand http://www.assh.org
The Canadian Orthopaedic Association http://www.coa-aco.org
Canadian Orthopaedic Foundation http://www.canorth.org
Extensor tendon injuries. American Society for Surgery of the Hand website. Available at: http://www.assh.org/Public/HandConditions/Pages/ExtensorTendonInjuries.aspx. Published 2010. Accessed August 21, 2013.
Leggit JC, Meko CJ. Acute Finger Injuries: Part I. Tendons and Ligaments. Am Fam Physician. 2006 Mar 1;73(5):810-816. Available at: http://www.aafp.org/afp/2006/0301/p810.html. Accessed August 21, 2013.
To P, Watson JT. Boutonniere deformity. J Hand Surg Am. 2011;36(1):139-142.
Zhang X, Yang L, et al. Treatment of bony boutonniere deformity with a loop wire. J Hand Surg Am. 2011;36(6):1080-1085.
- Reviewer: Teresa Briedwell, DPT, OCS
- Review Date: 09/2013 -
- Update Date: 09/30/2013 -
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
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