A boutonniere deformity or buttonhole deformity is an injury to a tendon in one of the fingers, resulting in a deformed shape. This usually occurs after an impact to a bent finger. See below for more on the causes, symptoms and treatments of Boutonniere deformity.
Hand & Finger stiffness
This finger injury makes you unable to extend or straighten the end joint of a finger without assistance. It can happen from sports and other daily activities and causes pain and tenderness to the area. The severity of the injury can vary from a stretching of the tendon to the tendon coming unattached from the bone.
Trigger Finger is a form of tenosynovitis which results in the finger becoming bent in towards the palm of the hand. This can also occur in the thumb known as trigger thumb. There is no specific cause but a variety of factors are detailed below which can make the condition more likely, including gaming and texting! The treatment depends on the severity of the condition and can range from resting to surgery.
A sprained finger occurs when the finger is bent in some way causing damage to the ligaments which connect bones together. It is a common injury in ball games such as American football, basketball, cricket, and handball. A sprain can be helped by rest, ice and compression and also a taping method, details of which can be seen below