Knee

Question 1

role of the ACL

Answer 1

prevents abnormal internal rotation of the tibia

Question 2

role of the PCL

Answer 2

prevents hyperextension and anterior translocation of the femur

Question 3

role of the MCL

Answer 3

resists valgus force

Question 4

LCL

Answer 4

resists varus force

Question 5

How do you test the ACL?

Answer 5

asses anterior translation of the tibia

Question 6

How do you test the PCL?

Answer 6

asses posterior translation of the tibia

Question 7

How many articulations at knee?

Answer 7

2: tibiofemoral and patellofemoral

Question 8

What may predispose to early OA in knee?

Answer 8

meniscal tears, ligament injuries, malalignment (gnu varum etc)

Question 9

Examples of malalignment and OA

Answer 9

Genu varum: Medial OA

Genu Valgus: Lateral OA

Question 10

How can young PT’s with medial OA be treated?

Answer 10

Osteotomy of proximal tibia to shift load to lateral compartment especially for heavy load workers as knee replacements would fail but less predictable

Question 11

Management of OA in knee

Answer 11

1) Conservative
2) when pain gets so bad and disabling can get a total knee replacement, unicompartmental knee replacement or patellofemoral replacement