A mallet finger is caused by a blow from a thrown ball that strikes the tip of the finger, jamming and avulsing the extensor tendon from its insertion along with a piece of bone.

Question

A mallet finger is caused by a blow from a thrown ball that strikes the tip of the finger, jamming and avulsing the extensor ten­don from its insertion along with a piece of bone.

Quizplus · Accepted Answer

Mallet finger occurs when an object strikes the tip of the finger, causing the extensor tendon to be damaged or avulsed from its insertion point on the distal phalanx, sometimes taking a piece of bone with it.

A Mallet Finger Is Caused by a Blow from a Thrown