Spasticity: signs of symptoms and causes

2021-01-26 12:00 AM

Spasticity is the most common symptom of upper motor neurons. Spasticity is an increase in resistance to passive movement due to an abnormal increase in muscle tone at rest.

Description

Spasticity is an increase in resistance to passive movement due to an abnormal increase in muscle tone at rest. There are three distinct characteristics:

Resistance depends on speed (muscle tone increases with the speed of the passive motor).

There is a difference between flexural tonicity (increased tonicity in the arms and stretching in the lower extremities).

The appearance of muscle weakness.

Causes

Common

Brain infarction.

Brain haemorrhage.

Infarction, a posterior branch of the inner sac.

Multiple sclerosis.

Less common

Spinal cord injury.

Tumors (eg. Tumor, abscess, vascular malformation-AVM).

Progressive spasticity.

Clostridium tetani.

Strychnine.

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