Normal Hand Anatomy
The human hand is an intricate instrument that is both tough and delicate. Its functions of sensation and motion allow us to experience and control the world around us.
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Trigger Finger, also known as stenosing tenosynovitis or flexor tendonitis, is a condition where one of the fingers or thumb of the hand is caught in a bent position. The affected digit may straighten with a quick snap, similar to pulling and releasing the trigger on a gun, hence the name trigger finger.
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Dupuytren’s contracture is thickening of the fibrous tissue layer under the skin of palms, fingers, and hands which leads to curving of the finger. It is caused due to the excessive production of collagen which gets deposited under the skin. Hereditary factors, excessive alcohol consumption, diabetes, seizures, and increased age may increase the risk of developing the condition. It commonly occurs in the ring finger and little finger. Occasionally the middle finger is affected but the thumb and index finger are rarely affected. Dupuytren’s contracture is a condition that usually progresses slowly over many years and is not painful. However, some cases progress rapidly and may be painful to the patient.
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de Quervain’s Tenosynovitis is a hand condition affecting a patient’s ability to move their thumb. It used to be referred to as washerwoman’s sprain or mother’s wrist but with the advent of technology, is now commonly referred to as “Blackberry thumb” from typing and texting on small handheld devices.
de Quervain’s Tenosynovitis is named after the Swiss surgeon who first identified the condition, Dr. Fritz de Quervain. Patient’s with this condition have difficulty gripping objects and performing their daily activities.
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Carpal Tunnel Syndrome is a common, painful, progressive condition that is caused by compression of the median nerve at the wrist area. Common symptoms of carpal tunnel syndrome include numbness and tingling sensation in all the fingers except little finger; pain and burning sensation in hand and wrist that may radiate up the arm and elbow; and weakness in hand with diminished grip strength.
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Wrist is also called as carpus, a complex joint comprised of bones and joints, ligaments and tendons, nerves, blood vessels, and muscles that hold the bones together. A fibrous cartilage present between the radius and ulna (forearm bones of the hand) separates the radioulnar joint from the rest of the wrist. Wrist connects the forearm to the hand and allows it to move. Carpal tunnel is an opening in the wrist through which the nerves and blood vessels pass.
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- Mallet Finger
- Metacarpal Fractures
- Wrist Fracture
- Finger Fractures
- Total Wrist Arthrodesis
- Wrist Joint Replacement
- Ganglion Cyst Removal
- Flexor Tendon Injuries
- Finger Joint Fusion
- Dupuytrens Contracture
- Artificial Finger Joint Replacement
The hand is considered one of the most complex structures in the human body due to its intricate anatomy. Your hands are a complex system of variousbones, joints, ligaments, tendons, muscles, nerves and blood vessels. Withoutthehealthy functioning of the hand we are unable to perform activities of daily living. The hand is one part of the body that is very susceptible to injury or disease.
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Sports injuries are the injuries that most commonly occur during sports and exercises. These injuries may result from accidents, poor training practices, and use of improper protective gear, lack of conditioning, and insufficient warm up and stretching. The sports injuries may be either acute (sprains, fractures, tears) or chronic (tendinitis, overuse injury) injuries.
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Click on the topics below to find out more from the orthopaedic connection website of American Academy of Orthopaedic Surgeons.
- Arthritis of the Hand
- Arthritis of the Wrist
- Boutonniere Deformity
- Dupuytren’s contracture
- Fracture of the finger
- Ganglions (cysts) of the Wrist
- Hand Fractures
- Trigger Finger
- Wrist Arthroscopy
- Wrist Sprains
- Wrist Joint Replacement (Arthroplasty)
- Carpal Tunnel Syndrome
- de Quervain’s tendinitis
- Hand surgery
- Reflex sympathetic dystrophy
- Ulnar nerve entrapment
- Distal Radius Fracture (Colles’ Fracture)
- Scaphoid Fracture of the Wrist