Cruciate ligament, Orthopedics FAQ

Understanding Knee Instability After ACL Reconstruction: Causes and Solutions

My knee feels unstable! Hello Doctor: Two years ago, I underwent anterior cruciate ligament (ACL) reconstruction on my right knee without any accompanying symptoms. However, at the end of July this year, while pitching, my right knee twisted, and I experienced swelling and pain. ...

Dr. Shi Guozheng Reply:
1. There will be no instability. 2. Yes. 3. It is easy to injure the ligaments and the meniscus (articular cartilage) within the joints. 4. You can train, but avoid excessive intensity.

Post-Operative Symptoms After Knee Arthroscopy: What to Expect

Postoperative condition after knee arthroscopy? Hello, doctor. I recently visited a nearby orthopedic clinic due to a car accident. After a thorough examination by the orthopedic surgeon, it was found that my left knee makes an abnormal sound when bent, and I was advised to under...

Dr. Hong Ximing Reply:
It is normal to experience swelling and pain after arthroscopic surgery, which may be due to residual synovial swelling within the joint. It is important to allow the joint to rest, engage in light movement, and gradually return to normal activities.

Understanding ACL Injuries: Conflicting MRI and Clinical Diagnoses

Questions about MRI of the anterior cruciate ligament (ACL)? Dear Director, My child, who is currently serving in the military, has been passionate about playing basketball for a long time. Recently, he has been experiencing some discomfort in his left knee, feeling a bit "...

Dr. Shi Guozheng Reply:
A tear of the anterior cruciate ligament (ACL) typically requires a significant external force to occur, and it is usually accompanied by joint swelling and bleeding at the time of injury. The pain is often severe, making it difficult to walk, and there may be several weeks of in...

Post-ACL Surgery: Why Is My Foot Numb and Painful?

After posterior cruciate ligament surgery, there may be pain and numbness in the foot? I underwent surgery to reconstruct my anterior cruciate ligament on January 17, 2013. It has been three weeks since the surgery, and recently I have been experiencing pain and numbness in the f...

Dr. Hong Ximing Reply:
Three weeks post-reconstruction surgery, the swelling should have subsided. It is possible that decreased muscle strength is causing poor circulation in the lower extremities. You may try elevating the legs or engaging in muscle strengthening activities. For further evaluation, i...

Understanding Post-Surgery Complications After ACL Injury: A Patient's Journey

Inquire about the complications following surgery for anterior cruciate ligament (ACL) injury? Hello Doctor, I would like to inquire about the health issues of a friend abroad. In early January of this year, he sustained injuries to his left knee and right shoulder while playing ...

Dr. Wang Shouji Reply:
Hello~ Surgery is unlikely to cause the aforementioned sequelae, but excessive use can lead to a burning sensation, which is commonly seen in clinical practice. If there is a noticeable temperature difference on both sides, one can palpate both sides and feel the temperature diff...

Understanding ACL Injuries: Diagnosis, Symptoms, and Next Steps

Cruciate ligament I am currently serving on an outer island, and sometimes after running or walking for a long time, I feel a clicking sensation in my left knee. When I move my knee, it feels like something is sliding inside, and sometimes it doesn't move smoothly, so I have...

Dr. Wang Shouji Reply:
Hello~ If the cruciate ligament joint space is less than 1 cm or less than 0.5 cm for those who enjoy sports, surgical intervention should be considered. If there are no symptoms but a high degree of uncertainty, the likelihood of developing arthritis in the future is also greate...

Understanding ACL Injuries: Should You Trust Your Doctor's Diagnosis?

Anterior cruciate ligament (ACL) I am currently serving on an outer island, and sometimes after running or walking for a long time, I feel a clicking sensation in my left knee. When I move my knee, it feels like something is sliding inside, and at times, the knee feels unstable, ...

Dr. Shi Guozheng Reply:
If the physician suspects that you have an anterior cruciate ligament (ACL) tear, further examination using MRI can be covered by health insurance. Based on your description, it is likely an old tear, which may present with a feeling of looseness or instability. During the examin...

Understanding ACL Injuries: Pain After Surgery and Military Service Implications

Cruciate ligament I apologize for the inconvenience, but I would like to ask you about my right knee. Due to a car accident, I sustained damage to my cruciate ligaments. After a hospital examination, the doctor informed me that my anterior cruciate ligament (ACL) is partially tor...

Dr. Li Wenlin Reply:
1. Knee joint instability exceeding 1 centimeter after more than one year of treatment, or evidence of joint pathology confirmed by X-ray examination. 2. Reconstruction of the anterior cruciate ligament in both knees. Only one of the above conditions is required for exemption fro...

Concerns About ACL Rehab: Can Long-Term Brace Use Cause Muscle Atrophy?

"Slipped while rehabilitating the anterior cruciate ligament." Hello Doctor, two months ago I asked about "slipping while rehabilitating my anterior cruciate ligament." At that time, the doctor said I could remove the knee brace only after I could fully extend...

Dr. Shi Guozheng Reply:
When the knee joint cannot support weight, it is safer to wear a brace. Muscle atrophy is inevitable, but the most important thing is to start rehabilitation as soon as possible to facilitate recovery. You can try to walk a little.

Understanding ACL Reconstruction: Surgery Duration, Rehab, and Work Leave

Ligament reconstruction Knee pain and numbness... After squatting for about 2 minutes, I experience pain behind the knee and cannot stand for a moment, but it returns to normal quickly... The hospital wants me to undergo arthroscopy and ligament reconstruction... I am unsure how ...

Dr. Shi Guozheng Reply:
The surgical time for an anterior cruciate ligament (ACL) reconstruction of the knee is approximately one to two hours, and the rehabilitation period is about three to six months.

Recovering from ACL Rehab: Overcoming Setbacks and Pain Management

"Slipped while rehabilitating the anterior cruciate ligament." Hello, doctor. A few days ago, I asked about "slipping during ACL rehabilitation," and I appreciate your response. Initially, my original doctor mentioned that the MRI showed a white area near the ...

Dr. Shi Guozheng Reply:
After anterior cruciate ligament (ACL) surgery, the typical rehabilitation period is about six to nine months. Although you have sustained another injury, the good news is that there is no further significant damage. Therefore, continuing with rehabilitation therapy to strengthen...

Recovering from ACL Reconstruction: Managing Setbacks and Concerns

Slipping during rehabilitation after anterior cruciate ligament reconstruction? Hello, Doctor. I previously asked you about the rehabilitation progress after my anterior cruciate ligament (ACL) reconstruction and bilateral meniscus repair surgery on February 2nd. Now, three month...

Dr. Shi Guozheng Reply:
Your MRI report is not very clear, and the extent of the knee joint injury is uncertain. However, the conditions you mentioned are all possible. The most important thing now is to establish a diagnosis before determining the treatment or rehabilitation plan. There is still a chan...

Understanding Leg Length Discrepancy After Knee Arthroscopy Surgery

After undergoing arthroscopy of the knee, it was discovered that there is a leg length discrepancy? Hello, Doctor: I would like to ask if undergoing arthroscopy on the knee can cause leg length discrepancy. I can confirm that I did not have this issue before the arthroscopy. The ...

Dr. Hong Ximing Reply:
Hello Tina! Undergoing arthroscopic surgery should not cause a leg length discrepancy. Based on your description, it seems that the difference in the extension angles between your legs may be due to muscle or ligament fibrosis post-surgery, which can create the sensation of havin...

Is This Medical Malpractice? A Case Study on ACL Reconstruction Issues

Does this constitute medical malpractice? I underwent anterior cruciate ligament (ACL) reconstruction surgery in 1996 due to a torn ACL, using a patellar tendon graft for the reconstruction. After the surgery, I participated in rehabilitation. However, since the surgery, I have e...

Dr. Shi Guozheng Reply:
Based solely on your description, it is not possible to determine that all surgeries carry their own risks and complications, especially since the surgery was performed many years ago, making it even more difficult to assess.

Understanding Knee Rehabilitation Progress After ACL and Meniscus Surgery

Rehabilitation progress It has been two months (nine weeks) since my left knee anterior cruciate ligament reconstruction and bilateral meniscus repair surgery. I used crutches for over five weeks and continued with a single crutch for a little over a week (I still carry a crutch ...

Dr. Shi Guozheng Reply:
The recovery period for anterior cruciate ligament (ACL) reconstruction of the knee joint typically lasts about 6 to 9 months, during which time there may still be uncomfortable symptoms. Rehabilitation must be approached step by step, and the range of motion should progressively...

Understanding ACL Injuries: Common Questions and Answers

Anterior cruciate ligament injury issues? Hello Doctor: After injuring my knee on September 9th, I asked the following five questions on Yahoo Knowledge, but I received no helpful responses. I hope you can take the time to read my questions and reply when you are available. Thank...

Dr. Hong Ximing Reply:
Thank you for your letter. It has been over 8 weeks since your injury, and the hematoma in your knee should have resolved. However, without the results of an MRI, it is difficult to assess the extent of your injury. Most of the information regarding cruciate ligament injuries has...

Understanding ACL and Meniscus Injuries: Treatment Options and Recovery

Anterior cruciate ligament tear and meniscus tear? Hello Doctor: Three years ago, I had a rupture of the right posterior cruciate ligament (PCL) (MRI was done but no surgery was performed). In July or August, an MRI showed a tear in the medial meniscus of the right knee (in a hea...

Dr. Shi Guozheng Reply:
Follow the physician's instructions regarding the fixed schedule, and discuss any detailed circumstances with your attending physician.

Understanding ACL Tears and Meniscus Injuries: Treatment Options Explained

Anterior cruciate ligament tear and meniscus tear? Hello Doctor: Three years ago, I suffered a rupture of the right posterior cruciate ligament (PCL) (MRI was done but no surgery was performed). In July or August, an MRI showed a tear in the medial meniscus of the right knee (in ...

Dr. Shi Guozheng Reply:
Injuries can result in different areas of tearing, and if the ligament is not completely torn, it can heal to a certain extent with immobilization in a cast. It is normal for the foot to swell after weight-bearing; elevating the foot can help reduce the swelling.

Understanding Knee and Hip Pain: Causes and Solutions for Athletes

Knee and hip joint pain? Hello, At the end of April this year, while warming up for soccer, I experienced sudden severe pain on the outer side of my right knee when I pressed down on both ankles (internally rotating the ankle and pressing the dorsum of the foot against the grou...

Dr. Zhou Lizhi Reply:
The knee joint primarily consists of the medial collateral ligament, lateral collateral ligament, anterior cruciate ligament, and posterior cruciate ligament. According to users' reports, after sports injuries, the lateral collateral ligament is likely the main cause of pain...

Understanding Meniscus Injuries: Recovery and Concerns After Surgery

Meniscus Hello, Doctor. I sustained an injury while playing basketball when I sprinted forward and collided with another player. After the collision, I landed on my right foot, and my right knee hyperextended in the opposite direction upon landing. I went to the hospital where th...

Dr. Shi Guozheng Reply:
Generally, knee joint instability does not require surgery unless there are symptoms of pain or functional impairment. After meniscus surgery, there may be some issues with joint stiffness that could take more time to recover. When the knee is injured, both the meniscus and ligam...

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