Meniscus, ACL, PCL, MCL, LCL, ITB Flashcards
Which meniscus is more injured during activities such as squatting?
Lateral meniscus
Which meniscus is injured with tibial rotation while knee is partially flexed during weight bearing
Medial meniscus
Which meniscus is injured during full knee flexion with rotation?
Lateral meniscus
Gold standard to diagnose meniscal tears
MRI
Which MRI views are best to see the anterior and posterior horns of meniscus? Best to see meniscal body?
Sagittal views are best to see anterior and posterior horns.
coronal views are best to see meniscal body
Weight bearing status s/p meniscal surgical repair vs resection?
Resection = WBAT in 1-2 days. Repair = NWB for 4-6 weeks.
Terrible triad
MCL, Medial Meniscus, ACL
What kind of fracture is pathognomonic for an ACL tear
Segond’s fracture - avulsion fx of lateral tibial plateau
If there is an ACL tear and you aspirate the knee, what will the fluid look like?
Bloody
What is more accurate for ACL tear, MRI or arthroscopy?
Arthroscopy
What kind of exercises do you want to avoid during ACL tear reconstruction rehab?
No open chain exercises.
No resistive exercises between 0-45 degrees of flexion.
What kind of knee orthosis do you give after ACL tear during rehab?
Lenox hill derotation orthosis
When can you start sport specific exercises after ACL tear?
6-12 weeks
Most commonly injured ligament of the knee
MCL
How do you determine MCL injury vs injury to MCL+posterior capsule on physical exam?
MCL injury = instability of knee in 30º flexion
MCL+posterior capsule injury = instability of knee in full extension
