![]() People who use their hands repetitively in their day-to-day activities, such as typists or assembly line workers.Anyone who experiences a period of rapid weight gain.Women between the ages of 40 and 60 years.Risk factors of carpal tunnel syndromeSome people are at higher risk of developing carpal tunnel syndrome, including: Overuse injury – the tendons in the carpal tunnel can become irritated and inflamed by awkward postures or repetitive hand movements.Congenital factors – some people have a smaller carpal tunnel than others.Wrist fractures – bone fragments can irritate the tenosynovium or reduce the amount of space in the carpal tunnel.Carpal tunnel syndrome triggered by pregnancy usually goes away soon after birth Pregnancy – the hormones associated with pregnancy cause general fluid retention, which can compress the nerve.Arthritis – various types of arthritis, especially rheumatoid arthritis, can cause inflammation and swelling.Sometimes there is a combination of factors such as: The little finger and half of the ring finger are unaffected.Ĭauses of carpal tunnel syndromeIn some cases the cause cannot be found.Radiated or referred pain into the arm and shoulder.Symptoms of carpal tunnel syndromeThe symptoms of carpal tunnel syndrome include: A person with advanced carpal tunnel syndrome may find they cannot properly use or move their thumb any more, and may find it difficult to grasp objects. The muscles of the thumb are also serviced by the median nerve. If left unchecked, the median nerve is squashed against the transverse carpal ligament until the nerve cannot function properly. Any thickening from inflamed tendons or other causes of swelling can reduce the amount of space inside the carpal tunnel. These tendons are covered by a smooth membrane called the tenosynovium and allow hand movement. Many tendons also pass through this carpal tunnel and if any swelling occurs, the large median nerve can easily be compressed, causing carpal tunnel syndrome.įlexor tendons run through the carpal tunnel into the hand. The median nerve runs through the carpal tunnel and gives feeling to the thumb, forefinger, middle finger and half of the ring finger. It is surrounded by the bones of the wrist (underneath) and the transverse carpal ligament (across the top). The carpal tunnelThe carpal tunnel is a narrow passageway in the wrist, which opens into the hand. Possible treatments include rest, splinting, cortisone injections and surgery. Anything that causes swelling inside the wrist can cause carpal tunnel syndrome, including repetitive hand movements, pregnancy and arthritis. Symptoms include numbness, pins and needles, and pain (particularly at night). Carpal tunnel syndrome is a painful disorder of the hand caused by pressure on nerves that run through the wrist.
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