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 ...

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

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, ...

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, ...

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 38 old-man developed a DVT and was treated with lovenox. Over the next two days, he developed pain in his groin followed by numbness of the left anterior thigh with buckling of his knee. His ...