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Doctor insights on: I Dislocated My Knee Cap

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I dislocated my knee cap, to the inside of my knee (towards the centerline of body). What can I do?

I dislocated my knee cap, to the inside of my knee (towards the centerline of body). What can I do?

See your doc: The kneecap has a groove that it glides in naturally. If it dislocates it is usually associated with pain and swelling. In some cases the kneecap will spontaneously go back into place but in others medical assistance is required to return it to the groove. Complications may include fracture, cartilage defect, persistent instability. See your doc to fully evaluate for these complications.

Dr. John Michalski
667 Doctors shared insights

Patella (Definition)

Patella is a thick piece of bone, more commonly known ...Read more


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I dislocated my knee cap 6 weeks ago. This was the 7th time. I have been experiencing a lot of pain on the inside of my knee. Is this normal?

I dislocated my knee cap 6 weeks ago. This was the 7th time. I have been experiencing a lot of pain on the inside of my knee. Is this normal?

Patellar dislocation: No, not normal to dislocate your patella. Also, the pain implies some damage to the soft tissue as well, likely medial patellofemoral ligament tearing. You may also have some cartilage damage as well. Check with your orthopedic surgeon.

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If I dislocated my knee cap will I ever feel the same way I did before I dislocated it? Is there a chance it will happen again more frequently?

If I dislocated my knee cap will I ever feel the same way I did before I dislocated it? Is there a chance it will happen again more frequently?

Let me explain: Answering the first part will be yes if was treated in the proper manners. The issue if could happen again the possibility exists if was not treated correctly.

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I dislocated my knee cap but when I fell it instantly went back into place. How long will I have to use the knee brace and crutches?

I dislocated my knee cap but when I fell it instantly went back into place. How long will I have to use the knee brace and crutches?

4-6 weeks: Ideally, you would go 4-6 weeks before you fully flex your knee again. When you dislocate your knee, you tear some of the medial structures that hold it in place and they must heal to prevent persistent instability. Knee flexion puts a stress on the knee cap that forces it laterally and can cause these medial structures not to heal correctly.

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I had an old injury...I dislocated my knee cap 1.5 years ago so now I still have a crunching sound coming from behind my knee cap but no pain. Advice?

I had an old injury...I dislocated my knee cap 1.5 years ago so now I still have a crunching sound coming from behind my knee cap but no pain. Advice?

Patella: No pain is a good thing unless you have a charcot joint with destruction from diabetes, etc. It doesn't sound like a neuropathic joint, so continue maintenance exercises and avoid surgery.

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I dislocated my knee cap should I have it operated on? I am a 43 year old male. I work out with weights 6 days a week. I dislocated what I think was my knee cap while bowling. (left knee folded to inside when I planted it to throw the ball. Then it poppe

I dislocated my knee cap should I have it operated on? I am a 43 year old male. I work out with weights 6 days a week. I dislocated what I think was my knee cap while bowling. (left knee folded to inside when I planted it to throw the ball. Then it poppe

This: This can be a difficult problem. Did you see a primary care physician, urgent care or er doctor, or an orthopaedic surgeon? You really do need to see an orthopaedic surgeon, preferably one who specializes in sports medicine. Patellar (knee cap) dislocations are relatively common and can be quite painful. They occur frequently in adolescent girls. However, 43 is a bit late for a first-time dislocation. There have been studies back-and-forth about the relative benefits of surgery vs. Bracing and rehabilitation. My bias is to avoid surgery if possible. However, it is more likely in your age group that you ruptured part of your patellar tendon or the quadriceps tendon. An incomplete rupture would still allow you to walk, but you would have difficulty straightening the knee and it would be quite painful. Unfortunately, these do require surgical repair. Repairs are easiest to do and get the best results if done within 2 weeks of an injury. You should be evaluated promptly to get the best outcome.

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I dislocated my knee cap on sunday and have been on crutches until today. Just started walking, but foot is extremely swollen. Foot doesn't hurt.?

I dislocated my knee cap on sunday and have been on crutches until today. Just started walking, but foot is extremely swollen. Foot doesn't hurt.?

Get ultrasound eval: Swelling in one foot after trauma could be a result of inflammation, which will pass with elevation, but could, also represent a blood clot below the knee, which could be dangerous. A painless ultrasound evaluation will determine if this is the diagnosis. Treatment can then be started to correct the problem.

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It appears my knee is turned inside rather than forward. I was told it looks like I may have dislocated my knee cap. Possible injuries? No pain/swelling

It appears my knee is turned inside rather than forward. I was told it looks like I may have dislocated my knee cap. Possible injuries? No pain/swelling

Patella dislocation: If there is no pain and no swelling, it seems less likely that there has been an injury. It sounds as though you may have a developmental issue such as a shallow trochlear groove or patella alta or femoral anteversion. Talk with your orthopedic doctor for further info.

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Dislocated my knee cap and popped it back in myself, its happened 4x before. Anything I need to look out for?

Dislocated my knee cap and popped it back in myself, its happened 4x before. Anything I need to look out for?

Loose body in joint: A recurrent dislocation of the patella can "knock off'" pieces of cartilage and bone and leave them floating in your knee. This can cause catching sensations and pain. The more often this happens, the more likely you are to have cartilage damage leading to arthritis. As this has happened 4 times, if it is disabling for you, you may want to see an orthopedic surgeon to stabilize your patella.

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Heard a pop in my knee. The following day I stepped down the stairs and dislocated my knee cap now I cannot bend my knee without pain and poping help.

Go to the doctor: I am sure you understand but you need to be seen urgently when your family clinic opens tomorrow. You do not need an emergency room.

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Dislocated my knee cap three days ago. Went to er. Following all dr rules. Pain meds aren't helping. The swelling/ pain is worse. What do I do?

Dislocated my knee cap three days ago. Went to er. Following all dr rules. Pain meds aren't helping. The swelling/ pain is worse. What do I do?

Cont supportive care: Most 1st time dislocations will heal and go on to do well. It is often helpful to start a pt program. See your orthopedic surgeon to assess your knee and refer you to pt.

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Is it possible to dislocated a knee cap?

Is it possible to dislocated a knee cap?

Yes- common injury: Knee cap or patella dislocations are actually quit common. Most are effectively treated without a need for surgery. After the dislocated patella is reduced, a brace is usually place to help maintain the patella in a reduced position. Physical therapy is routinely requested to help strengthen the thigh muscles and regain motion with a goal to prevent recurrence.

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How can I heal a dislocated knee cap?

How can I heal a dislocated knee cap?

Exercise or surgery: Frequently, a dislocated knee cap (patella), like a dislocated shoulder, can be successfully treated with intensive physical therapy. Sometimes, however, if the dislocation becomes recurrent, surgery will likely be necessary.

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What can be done about my dislocated knee cap?

What can be done about my dislocated knee cap?

Variable: Is this your first event? Problems in the past? See an orthopedist and start pt with a good sports minded therapist.

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How long does it usually take to rehabilitate your dislocated knee cap?

6 weeks: It usually takes at least 6 weeks to let the ligaments healed. Then at least 6 weeks to regain the strength.

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How to treat a dislocated knee cap?

Evaluation Is Key: After reduction and conservative measures to control pain and swelling, the key is to identify associated injuries. If there is a cartilage or osteochondral injury per mri, that problem is managed. If the injury is isolated to the medial patellofemoral ligament, then rehabilitation is the treatment for first time patellar dislocations. Recurrent dislocations are treated differently.

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In what cases is surgery needed in dislocated knee cap?

In what cases is surgery needed in dislocated knee cap?

Pain or recurrence: If you keep dislocating your knee cap despite pt rehab, surgery can help stabilize it. If you have persistent pain despite time and pt surgery may help realign the tracking of patella. Dislocation can damage the cartilage which may respond or require surgery.