Kinesiology Chapter 9 Quiz

Which of the following muscles externally rotates the knee? Biceps femoris Vastus lateralis Semimembranosus Semitendinosus

Biceps femoris

Which of the following is not true regarding the quadriceps muscle group? Located in the anterior compartment of the thigh Covered by the vastus fascia Serves to extend the knee Consists of four separate muscles

Covered by the vastus fascia

Which of the following is not correct regarding the menisci of the knee? Attach to the tibiae Deepen tibial fossae Form cushions between bones Decrease stability

Decrease stability

During weight-bearing exercise, greater forces are transmitted to the fibula than to the tibia. True or False?

False

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

False

In normal, healthy lower limbs, the hamstrings are stronger than the quadriceps. True or False?

False

The lateral collateral ligament is injured more frequently than other knee joint ligaments. True or False?

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. True or False?

False

The popliteus originates on the posterior fibula. True or False?

False

Which of the following is true regarding the medial collateral ligament? Maintains medial stability by resisting varus forces Maintains lateral stability by resisting valgus forces Maintains medial stability by resisting valgus forces Maintains lateral stability by resisting varus forces

Maintains medial stability by resisting valgus forces

Which of the following conditions involves apophysitis? osteoarthritis chondromalacia patallae Osgood Schlatter's disease osteomyelitis

Osgood Schlatter's disease

The _____ provides the primary restraint for posterior movement of the tibia relative to the femur. PCL MCL ACL LCL

PCL

Which of the following is correct regarding the patellofemoral joint? This joint lacks ligaments. The joint involves the interaction between the kneecap and femoral condyles. The joint is classified as a ginglymus joint. The joint has very few injuries associated with it.

The joint involves the interaction between the kneecap and 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 or False?

True

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

True

The knee joint is the largest diarthrodal joint in the body. True or False?

True

The medial meniscus is larger than the lateral meniscus. True or False?

True

The semimembranosus muscle is located posteromedially and internally rotates the knee. True or False?

True

Which of the following is not one of the quadriceps muscles? Vastus lateralis Vastus medius Rectus femoris Vastus intermedius

Vastus medius

Mechanisms of injury for meniscal tears most commonly include _____. torsion and distraction bending and tension compression and shear tension and torsion

compression and shear

he knee tibiofemoral joint is a/a _____ joint. trochoidal condyloidal enarthrodial ginglymus

ginglymus

The pes anserinus is the common insertion of the _____. gracilis, sartorius, and semitendinosus sartorius, semimembranosus, and semitendinosus gracilis, semimembranosus, and semitendinosus biceps femoris, semimembranosus, and semitendinosus

gracilis, sartorius, and semitendinosus

Which are actions of gracilis? knee extension & internal rotation knee flexion & external rotation knee flexion & internal rotation knee extension & external rotation

knee flexion & internal rotation

Which muscle is absent in some people? sartorius popliteus plantaris vastus intermedius

plantaris

Muscles that flex the knee include all of the following except _____. gastrocnemius gracilis sartorius rectus femoris

rectus femoris

All of the following are key bony landmarks for knee joint actions except the _____. tibial tuberosity medial and lateral femoral condyles superior and inferior patellar malleoli pes anserinusIncorrect

superior and inferior patellar malleoli

The Q angle is usually _____ or less for males and _____ or less for females. 10; 20 20; 10 30; 15 15; 20

15; 20

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

False

The femoral condyles articulate with the fibular condyles during knee flexion. True or False?

False

The biceps femoris muscle inserts on the head of the fibula and lateral tibial condyle. True or False?

True

The close-packed position for the knee is full extension. True or False?

True

Which is not a factor implicated in the higher incidence of ACL injuries in females compared to males? decreased Q angle increased ligament laxity quadriceps dominance smaller ACLs

decreased Q angle

The rectus femoris is more powerful in extending the knee when the hip is in _____. external rotation extension flexion internal rotation

extension

The most common serious knee ligament injury involves the _____. posterior cruciate ligament anterior cruciate ligament lateral collateral ligament medial collateral ligament

anterior cruciate ligament

Which of the following is a uniarticular knee flexor? semimembranosus rectus femoris gracilis popliteus

popliteus

Which of the following muscles internally rotates the knee? biceps femoris vastus intermedius popliteus plantaris

popliteus

The vastus medialis provides a(n) _____ pull on the patella when contracting concentrically. superior superomedial inferolateral inferior

superomedial