Patellar dislocation
Hello, doctor.
Three years ago, I dislocated my patella due to a fall.
Since then, my knee often hurts every night, and I find it difficult to move after waking up with my leg straight.
I consulted an orthopedic specialist who diagnosed me with patellar malalignment and significant degeneration of the knee cartilage.
I have a habit of long-distance running, and he advised me to avoid it.
However, most of the information I found online suggests that running is beneficial for the knees.
Could you please advise me on whether I should continue with long-distance running, sprinting, or high jumping? Thank you, doctor.
Miss Hsu, 10~19 year old female. Ask Date: 2021/09/30
Dr. Chen Yongxue reply Orthopedics
Hello, moderate exercise is beneficial for the joints as it can enhance muscular endurance.
However, excessive exercise can be detrimental and increase joint wear.
Swimming is one of the best activities because the buoyancy of water reduces the gravitational stress on the joints.
In this context, high-impact activities such as high jumping and long jumping are not recommended for frequent practice.
As for long-distance running and sprinting, I personally recommend long-distance running, but please do so within your limits and avoid overexertion.
Thank you.
Reply Date: 2021/09/30
More Info
Managing patellar dislocation and associated knee pain can be quite challenging, especially for someone with a history of knee injuries like yourself. Your experience of patellar dislocation three years ago, followed by persistent knee pain and issues with mobility, indicates that you may be dealing with complications related to your initial injury, such as patellar maltracking or degeneration of the cartilage in the knee joint.
First and foremost, it’s important to understand that running, particularly long-distance running, can place significant stress on the knee joint, especially if there are pre-existing conditions such as patellar malalignment or cartilage degeneration. While some studies suggest that moderate running can be beneficial for joint health, this is typically in individuals without prior knee injuries. In your case, the recommendation from your orthopedic specialist to avoid long-distance running is prudent, as it could exacerbate your knee issues.
Patellar dislocation often leads to changes in the mechanics of the knee joint. The patella (kneecap) may not track properly in the femoral groove, leading to increased wear and tear on the cartilage. This misalignment can cause pain during activities that involve bending the knee, such as running, jumping, or even walking up and down stairs. The fact that you experience pain at night or upon waking suggests that your knee may not be stabilizing properly during rest, which can lead to stiffness and discomfort.
Here are some recommendations for managing your knee pain and maintaining an active lifestyle:
1. Physical Therapy: Engaging in a structured physical therapy program can be immensely beneficial. A physical therapist can design a rehabilitation program tailored to your specific needs, focusing on strengthening the muscles around the knee, particularly the quadriceps, hamstrings, and hip muscles. Strengthening these muscles can help stabilize the patella and improve its tracking during movement.
2. Cross-Training: Since long-distance running may not be advisable, consider alternative forms of exercise that are lower impact. Swimming and cycling are excellent options that can help maintain cardiovascular fitness without placing excessive stress on the knee joint. These activities allow for movement without the jarring impact associated with running.
3. Knee Bracing: Using a knee brace or patellar stabilizer during physical activities may provide additional support and help in maintaining proper alignment of the patella. This can be particularly useful during activities that involve sudden changes in direction or jumping.
4. Weight Management: Maintaining a healthy weight is crucial for reducing stress on the knee joints. If you are overweight, even modest weight loss can significantly decrease the load on your knees and alleviate pain.
5. Activity Modification: Avoid high-impact activities such as sprinting or jumping, which can aggravate your knee condition. Instead, focus on low-impact exercises and gradually increase the intensity as your knee becomes stronger.
6. Pain Management: Over-the-counter anti-inflammatory medications can help manage pain and swelling. However, it’s essential to consult with your healthcare provider before starting any medication regimen.
7. Regular Check-ups: Given your history of knee issues, regular follow-ups with your orthopedic specialist are important. They can monitor the condition of your knee and make recommendations based on any changes in your symptoms or knee function.
In conclusion, while running can be beneficial for many, your specific situation requires a more cautious approach. Prioritizing knee health through physical therapy, cross-training, and proper management strategies will help you maintain an active lifestyle while minimizing the risk of further injury. Always consult with your healthcare provider before making significant changes to your exercise routine, especially given your history of patellar dislocation and knee pain.
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