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 ...

There are lots of things kids don’t like about doctor’s visits; shots, blood tests and throat swabs top the list. One thing they love is having their knee reflexes checked. A reflex is an involuntary, ...

Sports Injury Surgery, The Robert Jones & Agnes Hunt Hospital, Oswestry, Shropshire, UK M R Carmont, Sports Injury Surgery, The Robert Jones & Agnes Hunt Hospital Oswestry, Shropshire, SY10 7AG, UK; ...

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 ...