Knee Impact Injury: Recovery Tips and Rehabilitation for Pain Relief

Impact to the side of the knee?

I have been hit on my right knee by someone else's knee for almost a month (the outer side was impacted).
Now, when I sit down and bend my right knee at a 90° angle, I experience noticeable pulling pain on the outer side of the knee.
Should I rest on my own, or what kind of rehabilitation should I do? How long will it take to heal?

Bai, 10~19 year old female. Ask Date: 2016/03/24

Dr. Shi Guozheng reply Orthopedics

It should take about six to twelve weeks to heal.
You can try applying heat and gradually moving your joints; you likely won't need to go to a rehabilitation department for physical therapy.

Reply Date: 2016/03/24

More Info

Knee impact injuries, such as the one you described, can be quite painful and may require a careful approach to recovery and rehabilitation. Given that your injury occurred nearly a month ago and you are experiencing significant pain on the outer side of your knee when bending it, it is essential to address both the pain and the underlying issues that may be contributing to your discomfort.

Immediate Care and Rest
Initially, it is crucial to allow your knee some rest. Continuing to engage in activities that exacerbate the pain can lead to further injury or prolong the healing process. The R.I.C.E. method (Rest, Ice, Compression, Elevation) is often recommended for managing acute knee injuries. Applying ice to the affected area can help reduce swelling and numb the pain. Compression with a bandage or knee sleeve can provide support and limit swelling, while elevating the knee can also help reduce swelling.

Rehabilitation and Physical Therapy
After the initial rest period, which may last a few days to a week depending on the severity of your symptoms, you should consider starting a rehabilitation program. It is advisable to consult with a healthcare professional, such as a physical therapist, who can assess your knee and develop a tailored rehabilitation plan.
1. Gentle Range of Motion Exercises: Begin with gentle range-of-motion exercises to maintain flexibility in the knee joint. This can include straight leg raises and heel slides. Avoid any movements that cause pain.

2. Strengthening Exercises: Once you can perform range-of-motion exercises without significant pain, you can gradually introduce strengthening exercises. Focus on the quadriceps, hamstrings, and calf muscles, as strengthening these muscles can help stabilize the knee joint.

3. Balance and Proprioception Training: Incorporating balance exercises can also be beneficial. This can include standing on one leg or using a balance board to improve stability.

4. Low-Impact Activities: Engage in low-impact activities such as swimming or cycling, which can help maintain cardiovascular fitness without putting excessive strain on the knee.

Pain Management
Managing pain is a critical component of recovery. Over-the-counter pain relievers, such as ibuprofen or acetaminophen, can help alleviate discomfort. However, it is essential to follow the recommended dosages and consult a healthcare provider if you have any concerns or if the pain persists.

Timeline for Recovery
The timeline for recovery can vary significantly based on the severity of the injury, your overall health, and adherence to rehabilitation protocols. Generally, mild to moderate knee impact injuries may take anywhere from a few weeks to a couple of months to heal fully. If you are not seeing improvement after a few weeks of rehabilitation, or if your pain worsens, it is crucial to follow up with your healthcare provider. They may recommend imaging studies, such as an MRI, to rule out any serious injuries, such as ligament tears or cartilage damage.

Conclusion
In summary, while rest is essential immediately following your injury, a structured rehabilitation program is crucial for recovery. Engage in gentle exercises, focus on strengthening the knee, and manage pain effectively. Always consult with a healthcare professional to ensure that your rehabilitation plan is appropriate for your specific situation. With proper care and attention, you can expect to see improvement in your knee function and a reduction in pain over time.

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