Plantar reflex

Lesions producing a PR need not be structural but may be functional and reversible.

Possible etiologies

spinal cord injury

cervical spinal myelopathy

● lesions in the motor strip or internal capsule (stroke, tumor, contusion…)

subdural hematoma or epidural hematoma

hydranencephaly

● toxic-metabolic coma

seizures

trauma

TIAs

hemiplegic migraine

motor neuron disease (ALS)