Thanks for the great question. It sounds like your fall led to an injury to the front part of the knee around the knee cap. This is common when the fall happens on a flexed knee - lots of pain, but it generally... continue reading  about  I fell two weeks ago on the sidewalk and hurt the side and top of my knee. It really swelled and was painful to the touch. Now it's much better but it is still sensitive when I kneel on it. Should I continue to give it some time?

Thanks for the great question. Osteoarthritis is a common cause of knee pain - it is the "wear and tear" degeneration of the knee's cartilage layer that occurs over time. In basic terms, it is like the brake pa... continue reading  about  I recently heard about a new knee procedure that uses medical separators rather than total knee replacement to relieve pain from osteoarthritis degeneration. Can you tell me about this and where to find out about getting it done?

This is a very common complaint in my office. The sensation of "popping out of place" or "giving way" can be very frustrating to patients because they really can't seem to trust their knees. Secondary injuries ... continue reading  about  My right knee pops out with every step that I take, and it hurts all the time. It’s been doing this for about two years. I’ve been to a doctor, but was told that nothing is wrong. My knee would not be hurting like this if it was nothing. Help!

Thanks for the question! Some of the most common questions/complaints that orthopedic surgeons discuss with patients are knee cap issues. This small bone on the front of the knee (anatomically called the patell... continue reading  about  My left knee cap hurts very much when I put weight on it, especially when I kneel. Also it becomes very warm. What can be causing this?

This is a complicated question, so I'll try to break it down into two issues.First, let's talk about the ACL tear diagnosis. The anterior cruciate ligament (ACL) is one of the four main stabilizers of the knee.... continue reading  about  I had an X-ray and MRI on my right knee for severe pain. The radiologist said there was an ACL tear, but my doctor attributed it to arthritis. I don't have swelling and the pain is intermittent. If it were arthritis, wouldn't I have other symptoms?

A cracking noise heard with kneeling that is not painful and not associated with swelling can be secondary to soft tissue folds moving over the edges of the knee joint. Most people have experienced this sensati... continue reading  about  My knee popped out of place two weeks ago. I popped it right back, and the swelling and pain have gone away. Is this normal, or does it indicate a problem?

Knee pain is an extremely common complaint in an orthopedic surgeon's office. Some of the questions that we use to help sort out the cause of knee pain include:Is this an acute problem, or has is it started slo... continue reading  about  My knee locks up on occasion and pain radiates up to my hip and down my leg into my ankle. Is this something to be alarmed about? I do not have trouble walking, but it does ache more when sitting or laying in bed.

This is an extremely common question, and I'm glad you brought it up. Osteoarthritis of the knee is a "wear and tear" phenomenon that affects the majority of the population during their later years. It is not a... continue reading  about  I am 79 years old and fairly fit, but I have some problems with balance and a lot of pain in my knees. An orthopedist said I had "bone-on-bone" issues. Do you have any advice for me that could help me make a decision about knee replacements?

A knee that decides to "pop" or make cracking sounds can be quite alarming. I think that all of us at one time or another have kneeled down and had our knees make a loud noise, but no pain occurs. In the majori... continue reading  about  My knee pops out consistently when I work out. I’m 19 years old, at a healthy weight and have an active lifestyle. I have quit working out several times due to painful cracks and pops. Is there anything that I can do to prevent this from happening?