Causesĭe Quervain's tendinosis is treated by reducing the swelling/irritation of the tendons and tendon sheath, thereby relieving the pain caused by the condition. This results in increased friction and pain with certain thumb and wrist movements. This layer provides nutrients to the tendons and allows them to slide easily through the sheath that surrounds them.Īny swelling of the tendons and/or thickening of the sheath can result in a situation where the tendons no longer fit well inside the sheath. Tendons are covered by a slippery and thin soft-tissue layer called synovium. Tendons are rope-like structures that attach muscle to bone, allowing the muscle to pull on and move the bone. These two tendons arise from muscles in the forearm and then run together in a sheath that keeps them close to the bone as they cross over from the thumb side of the wrist into the hand. These are two of the main tendons to the thumb that assist with bringing the thumb out away from the index finger (APL) and straightening the joints of the thumb (EPB). Duplication for commercial use must be authorized in writing by ADAM Health Solutions.De Quervain's tenosynovitis affects the abductor pollcis longus (APL) and the extensor pollcis brevis (EPB). Links to other sites are provided for information only - they do not constitute endorsements of those other sites. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. This site complies with the HONcode standard for trustworthy health information: verify here. Learn more about A.D.A.M.'s editorial policy editorial process and privacy policy. is among the first to achieve this important distinction for online health information and services. follows rigorous standards of quality and accountability. is accredited by URAC, for Health Content Provider (URAC's accreditation program is an independent audit to verify that A.D.A.M. Surgery to relieve pressure on the nerve may help if the symptoms get worse, or if there is proof that part of the nerve is wasting away.Ī.D.A.M., Inc. Occupational therapy or counseling to suggest changes in the workplace may be needed. Physical therapy exercises to help maintain muscle strength in the arm.Also, avoid bumping or leaning on the elbow. An elbow pad of the radial nerve is injured at the elbow.You may need to wear it all day and night, or only at night. A supportive splint at either the wrist or elbow to help prevent further injury and relieve the symptoms.Your provider will likely suggest self-care measures. Corticosteroid injections around the nerve to reduce swelling and pressure.Over-the-counter or prescription pain medicines.If medicines are needed, they may include: Sometimes, no treatment is needed and you will get better on your own. Your provider will find and treat the cause, if possible. The goal of treatment is to allow you to use the hand and arm as much as possible. Pressure to the upper arm from arm positions during sleep or coma.Long-term pressure on the nerve, usually caused by swelling or injury of nearby body structures.Long-term or repeated constriction of the wrist (for example, from wearing a tight watch strap).When damage destroys the nerve covering ( myelin sheath) or part of the nerve itself, nerve signaling is slowed or prevented.ĭamage to the radial nerve can be caused by: Movement and sensation of the wrist and hand.Ability to bend the wrist and fingers backward.Movement of the triceps muscle at the back of the upper arm.Radial neuropathy occurs when there is damage to the radial nerve, which travels down the arm and controls: Pressure on the nerve caused by swelling or injury of nearby body structures.An illness in the whole body that damages a single nerve.Diseases affecting the entire body (systemic disorders) can also cause isolated nerve damage. Mononeuropathy means there is damage to a single nerve. Damage to one nerve group, such as the radial nerve, is called mononeuropathy.
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