Writer's cramp

Writer's cramp
Synonyms	Focal hand dystonia, Task-specific focal dystonia
Pronounce	N/A
Specialty	N/A
Symptoms	Involuntary muscle contractions, abnormal postures of the hand
Complications	N/A
Onset	Typically in adulthood
Duration	Chronic
Types	N/A
Causes	Unknown, possibly related to genetic predisposition and environmental factors
Risks	Repetitive hand movements, occupational stress
Diagnosis	Clinical diagnosis based on symptoms
Differential diagnosis	Carpal tunnel syndrome, Tendonitis, Essential tremor
Prevention	N/A
Treatment	Botulinum toxin injections, Physical therapy, Occupational therapy
Medication	N/A
Prognosis	Variable, often chronic
Frequency	Rare
Deaths	N/A

Writer's cramp, also known as dystonia of the hand or Mogigraphia, is a condition characterized by cramps or spasms of certain muscles of the hand and/or forearm, and is specifically triggered by writing. It is an example of a task-specific focal dystonia.

Symptoms

The symptoms of writer's cramp can vary in severity and may include:

• Difficulty with fine motor tasks, such as writing or playing an instrument
• Cramping and discomfort
• Unusual wrist or arm positions
• Tremors
• Fatigue
• Decreased handwriting quality

Causes

The exact cause of writer's cramp is unknown. However, it is thought to be related to a problem with the basal ganglia of the brain, which is involved in regulating movements. It may also be related to overuse of the hand and forearm muscles.

Diagnosis

Diagnosis of writer's cramp is typically based on a person's symptoms and medical history. A physical examination may also be performed to rule out other conditions that could be causing the symptoms. In some cases, a neurologist may perform tests to evaluate the electrical activity in the muscles and nerves.

Treatment

Treatment for writer's cramp can be challenging and may include:

• Physical therapy to improve muscle strength and coordination
• Occupational therapy to learn new ways of performing tasks
• Medication to reduce symptoms
• Botox injections to relax the muscles
• Deep brain stimulation in severe cases

See also

• Dystonia
• Occupational disease
• Repetitive strain injury