Knee Joint Quiz

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Mechanism of injury for meniscal tears most commonly include ____.

Compression and shear

Which of the following is NOT true regarding the quadriceps muscle group?

Covered by the vastus fascia

The Q angle is usually ___ or less for males and ___ or less for females.

15:20

The most common serious knee ligament injury involves the ____.

Anterior cruciate ligament

The patellofemoral joint is an ____ joint

Arthrodial

Which of the following muscles externally rotates the knee?

Biceps femoris

Which of the following is NOT correct regarding the menisci of the knee?

Decrease stability

Which is NOT a factor implicated in the higher incidences of ACL injuries in females compared to males?

Decreased Q angle

The rectus femoris is more powerful in extending the knee when the hip is ____.

Extension

The rectus femoris can exert greater knee extension force, when the hip is in __ than when it is in ____.

Extension: Flexion

During weight-bearing exercise, greater forces are transmitted to the fibula than to the tibia

False

From a position of full extension, the knee can normally move through about 180 degrees of flexion.

False

In normal, healthy lower limbs, the hamstrings are stronger than the quadriceps.

False

Tears occurring within the innermost 1/3 of menisci are more likely to heal than tears within the outermost 1/3 of menisci.

False

The femoral condyles articulate with the fibular condyles during knee flexion.

False

The lateral collateral ligament is injured more frequently than other knee joint ligaments.

False

The patella serves as a pulley by improving the angle of pull of the hamstring muscles, creating a greater mechanical advantage during knee flexion.

False

The popliteus is a knee extensor

False

The popliteus originates on the posterior fibula.

False

The knee tibiofemoral joint is a _____ joint

Ginglymus

The pes anserinus is the common insertion of the _____.

Gracilis, Sartorius, and semitendinosus

Which of the following is NOT true of the quadriceps muscle group?

It serves to flex the knee

Which of the following is the most accurate test for detecting an ACL tear

Lachman

Which of the following is true regrading the medial collateral ligament?

Maintains medial stability by resisting valgus forces

Which of the following conditions involves apophysitis?

Osgood Schlatter's disease

The ___ provides the primary restraint for posterior movement of the tibia relative to the femur.

PCL

Which muscle is absent in some people?

Plantaris

Which of the following is a uniarticular knee flexor?

Popliteus

Which of the following muscles internally rotates the knee?

Popliteus

Muscles that flex the knee include all of the following except ___.

Rectus femoris

Which muscle is shown in image (posterior, inner thigh)

Semitendinosus

Which of the following is correct regarding the patellofemoral joint?

The joint involves the interaction between the kneecap and the femoral condyles

As the knee approaches full extension, the tibia must externally rotate approximately 10 degrees to achieve proper alignment of the tibial and femoral condyles.

True

The biceps femoris muscles inserts on the head of the fibula and lateral tibial condyle.

True

The close-packed position of the knee is full extension

True

The iliotibial tract of the tensor fasciae latae muscle inserts on Gerdy's tubercle.

True

The knee joint is the largest diarthrodial joint in the body.

True

The medial meniscus is larger than the lateral meniscus

True

The semimembranosus muscle is located posteromedially and internally rotates the knee.

True

What muscle is shown in image (anterior, inner thigh)

Vastus medialis

Which of the following is NOT one of the quadriceps muscles?

Vastus medius

Which are actions of gracilis?

knee flexion and internal rotation

All of the following are key bony landmarks for knee joint actions except the ___.

Superior and inferior patellar malleoli

The vastus medialis provides a ____ pull on the patella when contacting concentrically.

Superolateral


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