swan neck

Common Finger Deformities

A finger (or thumb) that won’t straighten, bends the wrong way or looks out of shape can have several different causes. This article explains six common deformities, including mallet finger, swan neck and Dupuytren’s contracture.

an anatomical image showing a swan neck finger deformity

Swan Neck Deformity

A finger that bends backwards at the middle joint and curls forwards at the tip, like the neck of a swan, is known as swan neck deformity. This article looks at its causes, including arthritis and injury, and how it is managed.