Mallet finger

Mallet Finger

Mallet finger (pronunciation: /ˈmælɪt ˈfɪŋɡər/), also known as baseball finger, is a medical condition that affects the distal interphalangeal joint (DIP) of the finger. The term "mallet finger" has its origins in the French word "maillet", which means hammer, referring to the hammer-like appearance of the affected finger.

Definition

Mallet finger is a deformity caused when the extensor tendon on the back of the finger is damaged. This tendon damage leads to an inability to straighten the finger joint, causing it to droop in a manner that resembles a mallet.

Causes

Mallet finger typically occurs when an object strikes the tip of the finger or thumb and forcibly bends it. This can happen during athletic activities, such as basketball or baseball, hence the alternative name "baseball finger". It can also occur from a minor trauma such as tucking in a bedsheet.

Symptoms

The primary symptom of mallet finger is a drooping finger that cannot be straightened voluntarily. Other symptoms may include pain, swelling, and bruising.

Treatment

Treatment for mallet finger usually involves splinting the affected finger to keep it in a straight position for several weeks. In severe cases, surgical intervention may be necessary.

Related Terms

• Distal interphalangeal joint (DIP)
• Extensor tendon
• Baseball finger
• Splint

External links

• Medical encyclopedia article on Mallet finger
• Wikipedia's article - Mallet finger

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