Knee Joint

Question 1

name the knee joints

Answer 1

tibofemoral & patellofemoral

Question 2

when can the knee rotate

Answer 2

during flexion

Question 3

when is knee most stable

Answer 3

extension

Question 4

main support of knee?

Answer 4

cruciate ligaments, menisci & co-lateral ligaments

Question 5

devil’s triad?

Answer 5

medial colateral, medial meniscus & ACL

Question 6

when is knee susceptible to injury

Answer 6

in flexion and roation

Question 7

which condyles of the femur and tibia are longer?

Answer 7

medial

Question 8

when are all the ligaments most tight?

Answer 8

full extension

Question 9

what is b/w lateral col-lateral and lateral meniscus

Answer 9

popliteus tendon

Question 10

where are the deficiencies in the knee capsule

Answer 10

For the communicating bursae. above patella suprapatellar bursa. Posteriorly for popliteus tendon and semimembranosus bursa

Question 11

what is the pes anserinous?

Answer 11

muscle insertion that look like gooses foot. Sartorius, Gracilis, Bursa, SemiTendinous(Say Grace Before Tea)

Question 12

role of cruciate ligaments

Answer 12

ACL limits anterior displacement of tibia in felxion. PCL limits posterior displacement

Question 13

when is PCL prone to injury

Answer 13

bumper bar impact, fall on flexed knee

Question 14

relationship of cruciate ligaments and joint capsule

Answer 14

intracapsular but extra-synovial

Question 15

which meniscus more commonly injured and why?

Answer 15

medial - longer, horns further apart, less mobile (attachment to MCL)

Question 16

which 3 structure keep the petallofemoral joint alligned

Answer 16

strong vastus medialus, medial patellar retinaculum, raised lip on femoral condyle