if a plantar reflex test is abnormal what part of the nervou

if a plantar reflex test is abnormal, what part of the nervous system may be damaged? what anatomical structures are involved?

Solution

If plantar test is abnormal, there is a lesion of upper motor neuron.

Plantar test was given by babinski. According to this, if outer edge of sole of foot is scratched, plantar flexion if toes should occur, if not then it is said babinski sign is positive.

Anatomical structures involved here are sole of metatarsus, big toe, small toe, and heel