Best Orthopedic Doctor For Knee Replacement Surgery In Agra, U.P. Do You Feel Popping Or Cracking Behind Your Kneecap? A possible cause of popping or cracking behind the kneecap is a Meniscus tear. The meniscus is a piece of cartilage that acts as a cushion between the kneecap and the thighbone. A tear in the meniscus can cause pain, swelling, and popping or cracking sounds. It is most common in the knees and can cause pain, swelling, and popping or cracking sounds. If you are experiencing popping or cracking behind your kneecap, it is important to see an orthopedic doctor to rule out meniscus tear conditions. If you are from Agra, and looking for the best orthopedic specialist in Agra then schedule your appointment with Dr. Lavesh Agrawal, the best orthopedic doctor for knee pain treatment in Agra, U.P. specializes in assessing your risk factors for a knee injury. Consult now!