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A typical reflex common to all vertebrates; includes the postural, flexion, stretch, and extensor thrust reflexes.  

An involuntary response in the elbow region to stimulation of the biceps and triceps muscles.  

Slowing of the heart rate when the head is immersed in water. This reflex helps to protect a person from drowning, especially during immersion in cold water.  

Sudden flexion of the terminal phalanx of a finger or thumb when the nail is suddenly tapped.  

A reflex that does not occur until several seconds after the application of a stimulus.  

An extension of the lower extremity on the opposite side when a painful stimulus is applied to the skin.  

A reflex in which stimulation of one side of the body results in response on the opposite side.  

A reflex induced by a weak stimulus and causing widespread uncoordinated and purposeless muscle contractions; seen in strychnine poisoning.  

Quick inhibition of the stretch reflex when extensor muscles are forcibly stretched by flexing the limb.