Mallet Finger

What is Mallet Finger?

Mallet finger is a specific type of injury affecting the extensor tendon at the distal interphalangeal (DIP) joint, which is the end joint of a finger or thumb. This injury is characterised by damage to the tendon responsible for extending the fingertip. Commonly referred to as “baseball finger,” mallet finger often results from a direct impact to the fingertip by a hard, unyielding object such as a baseball. The force of the impact causes the finger to flex towards the palm beyond its normal range of motion, leading to significant stress on the extensor tendon.

The primary mechanism of injury involves the stretching and subsequent rupture of the extensor tendon that attaches to the DIP joint. This disruption impairs the tendon’s ability to properly extend the finger, causing a range of symptoms including severe pain, swelling, and bruising. One of the main signs of mallet finger is the inability to straighten the tip of the affected finger, which can significantly impact hand function and daily activities.

Symptoms and Diagnosis:

Pain: Immediate and sharp pain at the fingertip following the injury.
Swelling and Bruising: Noticeable swelling and discolouration around the fingertip.
Inability to Straighten the Finger: Difficulty in extending the tip of the finger fully.
Treatment and Management: Mallet finger treatment typically involves immobilising the affected finger to allow the extensor tendon to heal. This is often achieved through the use of a splint that keeps the finger in a straight position for several weeks. In more severe cases, surgical intervention may be required to repair the torn tendon.

Prevention Tips:

Wear Protective Gear: Use gloves or protective padding when engaging in sports or activities that pose a risk to the fingers.
Proper Technique: Employ correct techniques to minimise the risk of finger injuries during sports and other activities.
Understanding the nature of mallet finger and its treatment options is crucial for anyone involved in sports or activities with a high risk of finger injuries. Early diagnosis and appropriate management are key to a successful recovery and return to normal hand function.

Here at Precision Health, we offer services such as chiropractic care which can aid in your recovery from Mallet Finger. Call (02) 9639 7337 or visit our website to book an appointment now!

National Center for Biotechnology Information (NCBI), 2018. Overview of Orthopedic Disorders. [online] Available at: https://www.ncbi.nlm.nih.gov/books/NBK459181/ [Accessed 6 August 2024].

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