如何知道你的半月板是否撕裂

Here are answers to questions about this common knee injury.

如果你感到疼痛, swelling or stiffness in your knee, you may wonder if you have a torn meniscus. This type of injury is one of the most common knee injuries experienced 和 is especially common in athletes. 你怎么知道你的半月板是否撕裂了? 如果你认为是，你应该怎么做? Read on for answers to common questions about this injury.

What is the meniscus 和 where is it located?

The meniscus is a c-shaped piece of cartilage in the knee that sits between the tibia (shin bone) 和 the femur (thigh bone). 它就像一个缓冲垫或减震器, protecting the lower leg from the shock created by our body weight when we take a step. Each knee has two menisci—one on the inside of the knee (the medial meniscus) 和 one on the outside of the knee (the lateral meniscus).

人们是怎么撕裂半月板的?

Meniscus tears are among the most common knee injuries in athletes, 尽管这可能发生在任何人身上. They usually happen when a person twists or rotates their upper leg while their foot is planted firmly in place 和 their knee is bent. Meniscus tears are also common in older adults, since the menisci get weaker as we age 和 are more likely to tear.

How do you know if you tear your meniscus?

Symptoms of a torn meniscus may differ from person to person 和 it may take 24 more hours or more for some symptoms to occur. The most common symptoms of a torn meniscus include:

• Pain in your knee, especially when rotating the joint
• 膝盖肿胀
• Difficulty fully straightening or bending your knee
• Feeling like your knee is locked or that it "catches" when you move it
• Feeling like your knee is unstable or will give out when you put weight on it

One sign of a meniscus tear that you may not冰 right away is a popping sensation in the knee when the injury occurs.

What should you do if you think you have a torn meniscus?

如果你感到疼痛, swelling 和 stiffness in your knee 和 suspect that it may be due to a torn meniscus, 去看医生. Orthopedists are specially trained to deal with knee injuries like this but you may also begin by seeing your primary doctor for an initial evaluation. A doctor will evaluate your knee 和 may order imaging studies, such as x-rays or an MRI to confirm the diagnosis.

What is the treatment if you have a torn meniscus?

Depending on how bad your injury is, treatment may vary. In some cases, non-surgical treatments may be suggested. 其中包括RICE(休息), 冰, 压缩和标高), taking non-steroidal anti-inflammatories such as ibuprofen 和/or going for physical therapy to do muscle-strengthening exercises. Cortisone injections in the knee may also provide some relief.

If it is determined that you need surgery to repair your torn meniscus, this is usually done arthroscopically (using tiny incisions in your knee). The surgery takes about an hour 和 recovery usually takes a few weeks. The decision about whether to have meniscus surgery may depend on the size 和 location of the tear, 你的症状多严重啊, 您的年龄和健康状况, 还有你的活动水平/生活方式.

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