Knee pain
Hello, Doctor.
I have been hiking almost every week for the past year, with each hike lasting about 3 to 4 hours.
I have no issues with my stamina, but whenever I hike for an extended period, my right knee starts to hurt.
However, I don’t experience any pain during normal activities.
Sometimes, if I stay in a half-squat position for too long, I also feel discomfort, and it’s only in my right leg.
After resting, the pain usually resolves by the next day.
Two months ago, I had an X-ray at National Taiwan University Hospital, and the doctor said there was nothing wrong and did not prescribe any medication, but the symptoms persist, and I’m unsure what to do.
In June, I plan to hike the Batongguan Historic Trail, which requires a full day of walking.
I would like to ask the doctor if there are any ways to improve my knee issue and if there are any medications I can take to support me during the hike.
Thank you!
Jia, 40~49 year old female. Ask Date: 2005/05/13
Dr. Shi Qiming reply Orthopedics
Based on your description, the possible diagnosis is patellar tendinitis, which is caused by overuse or excessive load, affecting the area where the quadriceps tendon attaches to the upper edge of the patella, or where the patellar ligament attaches to the lower edge of the patella and the tibial tuberosity.
This condition commonly occurs in young patients under the age of forty, typically after physical activity, especially jumping sports or irregular exercise habits.
The hallmark of this condition is pain at the front of the knee, and patients can usually pinpoint the painful area.
Pain often occurs after exercise or when sitting down after physical activity.
Some individuals may experience pain after prolonged sitting, squatting, or kneeling.
Activities such as climbing stairs, running, and jumping can exacerbate the pain.
Upon palpation, tenderness can be found at the junction of the quadriceps tendon or patellar ligament with the bone, and there may sometimes be warmth, swelling, and crepitus in the soft tissues.
Swelling may occur below the patella, and the range of motion in the joint is typically normal; however, severe pain may arise when attempting to extend against resistance.
Prolonged symptoms can lead to muscle atrophy, while other physical examinations of the knee joint remain normal.
X-rays are usually normal, but sometimes calcification or heterotopic ossification may be observed at the upper pole of the patella.
For patients with poor treatment outcomes or those requiring surgery, magnetic resonance imaging (MRI) may be considered to check for incomplete tendon tears.
Differential diagnoses include anterior and posterior cruciate ligament tears (which present with joint instability and positive anterior-posterior drawer tests), inflammatory arthritis of the knee joint (which may present with systemic symptoms and positive blood tests), tendon ruptures (with a history of injury, weakness, and possible palpation of tendon defects or depressions), patellofemoral pain syndrome (usually presenting at the upper or lower pole of the patella, with lateral tracking or dislocation of the patella), and septic arthritis (with fever, redness, swelling, pain, increased white blood cell count, and elevated erythrocyte sedimentation rate).
The first step in treatment is rest, which is indeed the best remedy, typically requiring at least three to five days, and up to three weeks, while avoiding activities that exacerbate symptoms.
Sometimes a knee brace may be used, and anti-inflammatory medications can help alleviate pain.
However, corticosteroid injections should be avoided to prevent tendon or ligament rupture.
The second step is to restore normal, pain-free joint movement and engage in strength training exercises, along with ultrasound therapy, and the use of a patellar brace (which has an opening over the patella and applies pressure to the patellar ligament).
The third step in treatment is to gradually resume activities that previously triggered pain while increasing range of motion and strength.
Applying heat before exercise and ice after exercise can be very beneficial.
If left untreated, there is a risk of quadriceps tendon rupture or patellar ligament rupture, or long-term pain leading to immobility and muscle atrophy.
For patients who do not respond to conservative treatment, further evaluation for other underlying issues is necessary.
In summary, this condition is treatable, and it is crucial not to delay treatment to avoid permanent impairment.
Reply Date: 2005/05/13
More Info
Managing knee pain, especially for activities like hiking, can be a challenge, particularly when the pain is intermittent and only occurs during specific activities. Based on your description, it seems that you are experiencing knee pain primarily in your right knee after prolonged periods of hiking or when maintaining a half-squat position for too long. This type of pain can often be attributed to a few common issues, including patellofemoral pain syndrome, overuse injuries, or even early signs of osteoarthritis, especially if you have a history of physical activity without adequate rest or recovery.
Understanding Your Knee Pain
1. Patellofemoral Pain Syndrome: This condition is characterized by pain around the kneecap (patella) and is often exacerbated by activities that put stress on the knee joint, such as hiking or squatting. It can occur due to muscle imbalances, overuse, or improper alignment of the knee joint.
2. Overuse Injuries: Given that you hike frequently, your knee may be experiencing overuse, leading to inflammation of the tendons or ligaments around the knee. This is particularly common in individuals who increase their activity levels too quickly without allowing adequate time for recovery.
3. Early Osteoarthritis: Although you are relatively young, repetitive stress on the knee joint can lead to wear and tear of the cartilage, resulting in pain during activities that involve bending or bearing weight.
Tips for Managing Knee Pain
1. Rest and Recovery: Ensure you are allowing adequate recovery time between hikes. If you are hiking every week, consider reducing the frequency or duration of your hikes to give your knee a chance to recover.
2. Strengthening Exercises: Focus on strengthening the muscles around your knee, particularly the quadriceps, hamstrings, and calf muscles. Exercises such as straight leg raises, wall sits, and step-ups can help improve muscle support for your knee.
3. Stretching: Incorporate stretching into your routine, particularly for your quadriceps, hamstrings, and calves. Tight muscles can contribute to knee pain, so maintaining flexibility is crucial.
4. Proper Footwear: Ensure you are wearing appropriate hiking shoes that provide good support and cushioning. Poor footwear can lead to improper alignment and increased stress on the knee.
5. Use of Knee Braces: If you find that your knee feels unstable or painful during hikes, consider using a knee brace for additional support. However, ensure that it is not too tight, as this can cause discomfort.
6. Pain Management: Over-the-counter nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen can help manage pain and inflammation. However, since you mentioned concerns about allergies, consult with your healthcare provider for alternatives that are safe for you.
7. Ice Therapy: After hiking, apply ice to your knee for 15-20 minutes to reduce any swelling or inflammation. This can be particularly helpful if you notice increased pain after your hikes.
8. Gradual Increase in Activity: If you plan to hike for an extended period, such as your upcoming trip to 八通關古道, gradually increase your hiking duration and intensity in the weeks leading up to your trip. This will help condition your knee for the demands of a longer hike.
When to Seek Further Help
If your knee pain persists despite these measures, or if you experience swelling, instability, or significant pain that limits your daily activities, it may be time to consult a sports medicine specialist or orthopedic doctor. They may recommend imaging studies, such as an MRI, to rule out any underlying issues that may not have been visible on X-rays.
In summary, managing knee pain effectively involves a combination of rest, strengthening, proper footwear, and possibly the use of pain relief medications. By taking proactive steps, you can help alleviate your knee pain and enjoy your hiking adventures more comfortably.
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