What is ADHD? ADHD (attention deficit-hyperactivity disorder) affects both adults and school-aged children. Symptoms include restlessness, difficulty paying attention, and hyperactivity. The causes of ADHD are unknown, however factors such as diet, environment and genetics may contribute to symptoms.
The knee muscles control how the knee joint and patella move. There are two main groups of muscles, the quadriceps and the hamstrings, as well as a small muscle behind the knee (popliteus).
Causes of Behind knee pain: The following medical conditions are some of the possible causes of Behind knee pain. There are likely to be other possible causes, so ask your doctor about your symptoms. More Information About Behind knee pain. List of 23 causes of Behind knee pain. This section shows a full list of all the diseases and conditions listed as a possible cause of Behind knee pain in our database from various sources. Behind knee pain: Tools. By using this site you agree to our Terms of Use.