Knee Open Lab Quiz

When a patient's knee is in flexion, which bundle of the ACL is taught in this position?

• Posterolateral Bundle (PLB)

• Anteromedial bundle (AMB)

• inferolateral bundle (ILB)

• Posteromedial bundle (PMB)

During open chain leg extension exercise, the motion of the tibia on the femur is that the tibia rolls _____ and glides _____

• anteriorly, posteriorly

• posteriorly, anteriorly

• anteriorly, anteriorly

• posteriorly, posteriorly

Where are compressive forces increased at the tibiofemoral joint with a patient who presents with genu Valgum?

• medially

• posteriorly

• superiorly

• laterally

Which of the following structures primarily protects the knee joint from valgus stress?

• posterior cruciate ligament

• medial collateral ligament

• anterior cruciate ligament

• biceps femoris (short and long head)

What is the closed pack position of the talocrucal joint?

• Dorsiflexion

• Inversion

• Eversion

• Plantarflexoin

The patella is pulled  ________ during knee flexion and ________ during knee extension.

• superiorly, inferiorly

• medially, superiorly

• laterally, inferiorly

• inferiorly, superiorly

Which of the following does NOT describe a function of the menisci of the tibiofemoral joint?

• guide arthrokinematics

• distribute weight bearing forces

• increase friction

• enhance congruency

The medial meniscus is ______

• "o" shaped

• thicker and less mobile

• more mobile and has a larger surface area

• connected to the semitendinosus

In end range closed kinetic chain knee extension, the femur ___________ on a fixed tibia.

• slides anteriorly

• rolls posteriorly

• externally rotates

• internally rotates

While weight bearing, excessive ankle/foot pronation is accompanied by __________.

• Knee valgus and femoral adduction/internal rotation

• knee varus and femoral abduction/external rotation

• external tibial torsion

• high medial longitudinal arch position