Why does my first dorsal interosseous hurt?
The dorsal interossei may be injured and inflammation can occur due to overuse, seen especially from long hours of typing or writing. When there is inflammation or tenderness, a simple handshake can be painful. By gently squeezing the hands, or by restricted adduction and abduction of the fingers, injury can be tested.
Why does the area between my thumb and index finger hurt?
Carpal tunnel syndrome is a common condition that causes pain, numbness, tingling, and weakness in the hand and wrist. It happens when there is increased pressure within the wrist on a nerve called the median nerve. This nerve provides sensation to the thumb, index, and middle fingers, and to half of the ring finger.
What is the first dorsal interosseous muscle?
The first dorsal interosseous muscle has its origin on the adjacent surfaces of the first and second metacarpal bones and inserts into the lateral base of the second phalanx and extensor hood of the second digit.
How do you stretch dorsal interossei?
Place your forearm and palm firmly on the table and pull the thumb away from the fingers slowly. This stretches the First Dorsal Interosseous. Hold for about 30 seconds and release. Remember to stretch the other side as well.
What is web space infection?
Definition. A deep infection of the hand that occurs in the webspace between two fingers. It is also known as a collar-button abscess in reference to the dumbbell shape reminiscent of collar buttons from the early 20th century.
What is the webbing between your thumb and index finger called?
The first dorsal interosseous muscle is the largest and originates from the 1st and 2nd hand bones. It forms the contour between the thumb and index finger when looking at the top of the hand and is often the first muscle to shrink in patients with severe cubital tunnel syndrome due to damage of the ulnar nerve.