Nerve damage thumb

Jump to content. There are many nerves that run between the shoulder and the fingertips in the area of the body known as the upper extremity. These nerves are responsible for carrying messages from the brain to parts along the arm for movement, feeling and reflexes. The nerves in the upper extremity leave the central nervous system through several areas in the neck, and form a complex structure called the brachial plexus. The nerves are larger in diameter near the neck, and eventually divide to form smaller branches in the upper arm, forearm and hand. Injuries to the upper extremity occasionally cause trauma to nerves, which can interfere with the various functions of the arm and hand.
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Our knowledge of orthopaedics. Your best health.

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Nerve injury | The British Society for Surgery of the Hand

Some nerves carry messages from the brain to muscles to make the body move. Other nerves carry messages about pain, pressure, or temperature from the body to the brain. Many small fibers are bundled inside each nerve to carry the messages. There is an outer layer that insulates and protects the nerves Figure 1.
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Wrist & Hand Nerve Damage & Pain

The arms contain a network of nerves that help control movement from the shoulder all the way down to the fingers. An injury to any nerve can affect everything from the ability to bend the elbow, to being able to pick up a pen or use a toothbrush. A nerve injury can occur as the result of an accident and trauma, as in a car accident or from a sports injury, or progressively as the result of strain or a repetitive motion injury over time. Because nerves are responsible for carrying the signals to and from the brain that allow for movement and sensation throughout the body, a damaged nerve can impair movement and sensation, and also cause pain. In extreme cases, nerves can lead to serious complications for overall health, as is most commonly seen in patients with diabetes in the lower extremities.
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Carpal tunnel syndrome is a common condition that causes pain, numbness, and tingling in the hand and arm. The condition occurs when one of the major nerves to the hand — the median nerve — is squeezed or compressed as it travels through the wrist. In most patients, carpal tunnel syndrome gets worse over time, so early diagnosis and treatment are important. Early on, symptoms can often be relieved with simple measures like wearing a wrist splint or avoiding certain activities. If pressure on the median nerve continues, however, it can lead to nerve damage and worsening symptoms.
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