key term - Plantar reflex

Definition

The plantar reflex is a neurological response that occurs when the sole of the foot is stimulated, usually resulting in the downward flexion of the toes. It's an important part of the neurological exam to assess function of the spinal nerves and brain.

Related terms

Babinski sign:

A response where, upon stimulation of the sole of the foot, the big toe extends upward and other toes fan out; abnormal after infancy and indicates neurological damage.

Reflex arc: The neural pathway that mediates a reflex action involving sensory neurons, interneurons, and motor neurons.

Motor exam: Part of the neurological examination assessing muscle strength, tone, and coordination to evaluate central and peripheral nervous system integrity