Podcast
Questions and Answers
Which meniscus is more mobile, the medial or the lateral?
Which meniscus is more mobile, the medial or the lateral?
- Both menisci are equally mobile
- Lateral meniscus (correct)
- The text does not provide information about their mobility
- Medial meniscus
What is the vascular supply like in the inner 1/3 of the meniscus?
What is the vascular supply like in the inner 1/3 of the meniscus?
- Good
- The inner 1/3 of the meniscus is avascular (correct)
- The text does not provide information about the vascular supply in the inner 1/3
- Poor
What is the function of the menisci in the knee joint?
What is the function of the menisci in the knee joint?
- To deepen the socket of the tibial plateau
- To limit translation of the femur on the tibial plateau
- To distribute load across the knee joint
- All of the above (correct)
In acute knee injuries with an intact ACL, which meniscus is more likely to be injured?
In acute knee injuries with an intact ACL, which meniscus is more likely to be injured?
Which test can be used to check for effusion in the knee?
Which test can be used to check for effusion in the knee?
Which test is used to diagnose a meniscal tear?
Which test is used to diagnose a meniscal tear?
Is MRI superior to composite clinical examination for diagnosing meniscal tears?
Is MRI superior to composite clinical examination for diagnosing meniscal tears?
Which treatment option is NOT recommended if the knee is locked and the fragment is not reduced?
Which treatment option is NOT recommended if the knee is locked and the fragment is not reduced?
What does physical therapy for meniscal injuries focus on?
What does physical therapy for meniscal injuries focus on?
Which procedure is considered the best approach for total meniscectomy, partial meniscectomy, and meniscal repair?
Which procedure is considered the best approach for total meniscectomy, partial meniscectomy, and meniscal repair?
What is the criteria for performing meniscal repair or partial meniscectomy based on the distance from the rim?
What is the criteria for performing meniscal repair or partial meniscectomy based on the distance from the rim?
What is the criteria for performing meniscal repair based on the mobility of the fragment?
What is the criteria for performing meniscal repair based on the mobility of the fragment?
What is the criteria for performing partial meniscectomy based on the age of injury?
What is the criteria for performing partial meniscectomy based on the age of injury?
What is the criteria for performing meniscal repair based on the return to play?
What is the criteria for performing meniscal repair based on the return to play?
What is the criteria for performing meniscal repair based on the age of the patient?
What is the criteria for performing meniscal repair based on the age of the patient?
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Study Notes
Meniscus Movement and Vascular Supply
- The lateral meniscus is more mobile than the medial meniscus.
- The inner 1/3 of the meniscus has a poor vascular supply.
Functions of Menisci
- The menisci act as shock absorbers and reduce the pressure on the articular cartilage.
- They also help to distribute the weight evenly and increase the joint surface area.
Meniscal Injuries
- In acute knee injuries with an intact ACL, the lateral meniscus is more likely to be injured.
- The McMurray's test is used to diagnose a meniscal tear.
- MRI is superior to composite clinical examination for diagnosing meniscal tears.
Knee Effusion and Treatment
- The bulge test can be used to check for effusion in the knee.
- If the knee is locked and the fragment is not reduced, open reduction is not recommended.
- Physical therapy for meniscal injuries focuses on strengthening the surrounding muscles and improving range of motion.
Meniscal Repair and Partial Meniscectomy
- The arthroscopic approach is considered the best for total meniscectomy, partial meniscectomy, and meniscal repair.
- Meniscal repair or partial meniscectomy is performed if the tear is within 3-4 mm from the rim.
- Mobile fragments are more suitable for meniscal repair.
- Partial meniscectomy is performed if the injury is more than 3 months old.
- Meniscal repair is recommended for patients under 30 years old who want to return to play quickly.
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