Spasticity: signs of symptoms and causes

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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