Boutonniere Deformity
A finger that stays bent at the middle joint, with the tip bending backwards, can follow an injury to the tendon on top of the finger. This article explains boutonnière deformity, how it develops and how it is treated.
finger tendon injury
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.