The knee jerk reflex can be tested by tapping just below the knee causing the lower leg to suddenly jerk forward. You are working the patella tendon. This is the tendon that runs down from the ...

You might have experienced the popular knee jerk in the doctors room or you may have heard of someone having an automatic 'knee-jerk response' to a situation without thinking. Strange, isn't it? Well, ...

The knee-jerk or 'patellar jerk' reflex occurs when the knee is tapped below the knee-cap (patella). Sensors that detect stretching of the tendon of this area send ...

Are reflexes different to reactions? Yes. An example of a reflex is when someone taps the knee (patella) tendon softly with a mallet. Your knee lurches forward and your brain has no control over its ...

Patellar tendonitis — also called jumper’s knee — is a type of knee tendon pain. It happens when the tendons connecting the kneecap to the shinbone become inflamed from overuse. Repetitive motions, ...

Patella is the medical term for your kneecap. Patellar tracking disorder (or patellar maltracking) describes movement of your kneecap that isn’t aligned, like your kneecap moving sideways. It can ...

Clonus is an abnormal reflex response that produces involuntary, repetitive, and rhythmic muscle contractions when a muscle is stretched. This abnormal reflex is typically a sign of an upper motor ...

Reported to the Section for Clinical Medicine, Pathology and Hygiene of the Suffolk District Medical Society, June 9, 1885.