![]() Rarely, there are long-term complications, including decreased range of motion and deformity. In these severe cases, complications often occur, but most eventually heal functionally. ![]() Some finger fractures are severe enough to need surgery. Complications īusch fracture mechanism: because the bit of bone attached to the tendon has broken off, the tendon can't extend the finger tip The hand is also checked for injuries to the soft tissues, like sprains and tendon tears, and for dislocations to the joints, because these may have been caused at the same time. ![]() Sensation is checked to look for nerve damage, and capillary refill for blood circulation damage. There may be pain when the injury is probed. Symptoms include pain, swelling, deformity, decreased range of motion, and instability. Signs, symptoms and diagnosis This broken little finger is unnaturally angulated. Occasionally, an infection or tumour can cause a broken finger this is called a pathological fracture. Misusing tools, especially power tools, can also break fingers. A jammed finger (a trauma from a blow on the end of the finger) is often caused by trying to catch a ball and may break the finger. Crushing injuries may occur when a finger gets shut in a door (most common among children under eight), or in an accident with machinery or a heavy object. Putting out a hand to break a fall and landing badly can fracture a finger. If a tendon pulls away the bit of bone to which it is attached (an avulsion fracture, shown in the image at the top of the page), that will also lead to a fracture in a joint. įractures in the joints are often caused by jammed finger injuries, the hand equivalent of a stubbed toe. Crushing injuries may or may not shatter the bone into multiple pieces, which is called a comminuted fracture. A force at an angle is likely to produce an oblique fracture, and a twisting force is more likely to cause a spiral fracture. If the blow that breaks the bone bends it sideways, it will usually cause a transverse fracture, a break across the finger. Fracture patterns Multiple fractures to the tip of a finger this might happen if it were hit with a hammer A letter can be added to describe the fracture pattern. So, for instance, 78.1.1.1 means a fracture to the thumb's innermost bone, at the inner end (the base of the thumb). The AO Foundation/ Orthopaedic Trauma Association (AO/OTA) classification generates language-neutral numeric codes for describing broken fingers. On the front and back of each finger is a digital nerve and artery these can also be injured when the finger is broken. Extensive tendons surround the joints and move the fingers. The rest of the finger bones (the middle finger bones, and the proximal or innermost finger bones) are divided into base, shaft, and condyle (outer end). The distal (tip) finger bones are divided into tuft (the very tip of the bone, at the end of each finger), shaft (the thinner middle section), and base. Fingers are numbered 1 to 5, with 1 being the thumb. Finger fractures are identified by the bone on which they occur.
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