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Inability to walk

Classification:

Primary in ability to walk: no walk till age 18 months

• Paralytic causes

-Brain:

Cerebral palsy Hydrocephalus.

-Spinal cord:

Poliomyelitis

Werding Hoffman disease.

• Non paralytic causes :

-Mental retardation

-Rickets

-Sever malnutrition

Secondary in ability to walk :

• Paralytic causes :

-Brain: Postmeningetic , postencephalytic.
-Spinal cord:

Cord trauma. Transeverse myelitis.

-Peripheral neuropathy: Guilllain Barre Syndrome (GBS).

-Muscle diseases: muscle dystrophies.

• Non paralytic causes: Debilitating diseases: uremia, malignancy.