Thumb flexor tendon injuries

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Trigger finger is a painful condition in which a finger or thumb clicks or locks as it is bent towards the palm. Thickening of the mouth of a tendon tunnel leads to roughness of the tendon surface, and the tendon then catches in the tunnel mouth. People with insulin-dependent diabetes are especially prone to triggering, but most trigger digits occur in people without diabetes. Triggering occasionally appears to start after an injury such as a knock on the hand. There is little evidence that it is caused by work activities, but the pain can certainly be aggravated by hand use at work, at home, in the garden or at sport.

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Thumb extensor tendon (EPL) rupture

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Flexor Tendon Pulley System Injury | New York, NY | HandSport Surgery Institute

All of Healthily's articles undergo medical safety checks to verify that the information is medically safe. View more details in our editorial policy. Tendon repair of the hand is surgery to repair damaged or divided tendons. Most tendon damage is caused by cuts to the hands from glass or knives. Tendons are tough cords of tissue that connect muscles to bones.

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Hand Injury With Tendon Damage

The universal joint at the base of the thumb, between the metacarpal and trapezium bones, often becomes arthritic as people get older. It is osteoarthritis, which is loss of the smooth cartilage surface covering the ends of the bones in the joints. The cartilage becomes thin and rough, and the bone ends can rub together. Osteoarthritis can develop at any age, but usually appears after the age of It may run in families, and it sometimes follows a fracture involving the joint many years before.

Extensor tendons are just under the skin. They lie next to the bone on the back of the hands and fingers and straighten the wrist, fingers and thumb Figure 1. They can be injured by a minor cut or jamming a finger, which may cause the thin tendons to rip from their attachment to bone. If not treated, an extensor tendon injury may make it hard to straighten one or more joints.