Healthcare providers sometimes test a person's reflexes as part of a routine or diagnostic exam.Overactive reflexes occur when muscles have an exaggerated reaction. These, along with some strange ...

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 ...

In patients with knee osteoarthritis (OA), pain and dysfunction cause a reflex inhibition on the quadriceps femoral muscle, and quadriceps weakness could accelerate damage to knee cartilage.