Dissection: Knee, Anterior and Lateral Leg

Question 1

where does the fibrous capsule of the knee attach?

Answer 1

round the margins of the articular cartilage

Question 2

what does the fibrous capsule enclose?

Answer 2

synovial fluid

Question 3

name the ligaments of the knee joint

Answer 3

iliotibial tract
tibial collateral ligament
fibular collateral ligament
ant/post cruciate ligaments

Question 4

what are menisci

Answer 4

crescentic discs of fibrocartilage

Question 5

what do the menisci do?

Answer 5

shock absorption

stabilise curved femoral condyles upon flatter tibial condyles

Question 6

what are genu varum?

Answer 6

bandy legs

Question 7

what are genu valgum

Answer 7

knock knees

Question 8

where does the medial meniscus attach peripherally/

Answer 8

tibial collateral ligament

Question 9

ruptures in what structures make up the “unhappy triad” knee injury?

Answer 9

anterior cruciate ligament
tibial collateral ligament
medial meniscus

Question 10

which edge of the menisci are unattached to bone?

Answer 10

deep edges

Question 11

role of cruciate ligaments

Answer 11

maintaining joint stability

Question 12

where does the anterior cruciate ligament attach?

Answer 12

lateral femoral condyle

Question 13

how can the cruciate ligaments be measured?

Answer 13

drawer test

Question 14

where does the posterior cruciate ligament attach?

Answer 14

medial femoral condyle

Question 15

what does the suprapatellar bursa do?

Answer 15

reduces friction on quadriceps tendon during knee movements

Question 16

what would a swelling visible in the lower third of anterior thigh?

Answer 16

abnormal fluid in the knee joint reaching the suprapatellar joint

Question 17

where does the common fibular nerve enter the anterior leg

Answer 17

popliteal fossa

Question 18

what does the common fibular nerve divide into

Answer 18

superficial and deep

Question 19

what does the superficial fibular nerve supply?

Answer 19

muscle of the lateral compartment of the leg and skin of the dorsum of foot

Question 20

what does the deep fibular nerve supply?

Answer 20

muscles of the anterior compartment of leg and skin of the first interdigital cleft

Question 21

what separates the anterior and lateral compartments of the leg

Answer 21

intermuscular septum

Question 22

smallest compartment of the leg?

Answer 22

lateral