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Turning en bloc is a motor symptom of Parkinson's disease, where patients keep their necks and trunks rigid, requiring multiple small steps to accomplish a turn. Learn about other cardinal and non-motor signs of PD, such as tremor, rigidity, bradykinesia, postural instability, and more.
Trigger finger, also known as stenosing tenosynovitis, is a disorder that affects the thumb and ring finger. It causes catching or locking of the finger when flexed, and may be related to diabetes or work activities. Learn about the diagnosis and treatment options, such as steroid injections and surgery.
Learn about the common hand injuries and disorders, such as fractures, nerve injuries, carpal tunnel syndrome, arthritis and ganglion cysts. Find out how to prevent, diagnose and treat hand injuries with x-ray, splints, surgery and medication.
Carpal tunnel syndrome is a nerve compression syndrome caused by compression of the median nerve at the carpal tunnel in the wrist. It can be caused by various factors such as genetics, work tasks, diabetes, rheumatoid arthritis, and wrist fracture.
Akinetopsia is a neuropsychological condition in which a person cannot perceive motion in their visual field, despite being able to see stationary objects. It can be caused by brain lesions, transcranial magnetic stimulation, antidepressants, or Alzheimer's disease.
Mallet finger is acquired due to injury to the thin extensor tendon that functions to straighten the end (DIP) joint of a finger. [8] Jamming of the finger induces a rupture of the extensor tendon or a broken bone at the tendon's site of attachment. [9] This results in a droopy and crooked appearance of the end joint of the finger, resembling a ...
Ideomotor apraxia is a neurological disorder that impairs the ability to imitate hand gestures and mime tool use on command. It is often caused by a stroke that damages the left parietal or premotor cortex, and may affect the speed and accuracy of spontaneous movements.
Dupuytren's contracture, also known as Dupuytren's disease, Viking disease, or palmar fibromatosis, is a condition that causes finger curvature and hard nodules in the palm. Learn about its possible genetic and environmental factors, diagnosis methods, and treatment options.
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