We are, I trust, all but universally familiar with the knee jerk, or patellar, reflex. A doctor taps the patellar tendon with a rubber mallet, and our leg kicks forward in response. The reaction is ...

A doctor can usually conduct an anterior drawer test in less than five minutes. The steps for the anterior drawer test are usually as follows: You’ll lie down on an exam table. A doctor will ask you ...

Following our clinical observation of tonic responses in response to the knee jerk in infants at very high risk for cerebral palsy (VHR infants), we systematically studied tonic responses, clonus, and ...