Hey hope you are well!! i have burning sensation behind both knees. a bruis on the side of my right one. in certain positions i get a stabbing pain from my calf to my upper leg . i work all day sitting down and already went to e r to make sure it was

Orthopaedics eval: 31 year old gentleman with bilateral burning posterior knee pain, radiating pain from thigh to calf. You need a physical exam and evaluation from a specialist in orthopaedic surgery. Your physical exam will include a straight leg raising test to evaluate radiculopathy, pain along a spinal nerve from your spine which can radiate to the lower extremities. Imaging tests and other maneuvers will help.