Deck 19: Knee Joint

Question 1

To fully stretch the hamstrings,you should do which of the following motions?

A) Flex the knee and extend the hip
B) Extend the knee and extend the hip
C) Extend the knee and flex the hip
D) Flex the knee and flex the hip

Answer 1

Extend the knee and flex the hip

Question 2

Prime movers of knee flexion include all of the following EXCEPT the

A) semitendinosus.
B) short head of biceps femoris.
C) gastrocnemius.
D) soleus.

Answer 2

soleus.

Question 3

Which of the following would be an effective closed-chain exercise to strengthen the quadriceps and the hamstring muscles?

A) Mini-squats
B) Step-ups
C) Lunges
D) All of the above

Answer 3

All of the above

Question 4

Which muscle has its origin at the linea aspera,runs lateral at the thigh,and has its insertion at the tibial tuberosity via the patellar tendon?

A) Vastus medialis
B) Adductor magnus
C) Tensor fascia latae
D) Vastus lateralis

Question 5

Which muscle has its origin at the linea aspera,runs medially,and inserts at the tibial tuberosity?

A) Sartorius
B) Rectus femoris
C) Vastus intermedialis
D) Vastus medialis

Question 6

The bony landmark of the tibia that comprises the proximal medial end is called the

A) medial malleolus.
B) medial condyle.
C) medial tubercle.
D) tibial tuberosity.

Question 7

A crush injury to the tibial nerve could cause weakness of which of the following muscles?

A) Rectus femoris
B) Semimembranosus
C) Short head of biceps femoris
D) Gastrocnemius

Question 8

Which muscle has its origin at the medial and lateral condyles of the femur and its insertion at the posterior calcaneus?

A) Popliteus
B) Gastrocnemius
C) Plantaris
D) Soleus

Question 9

The quadriceps muscles are all innervated by which of the following nerves?

A) Tibial nerve
B) Common peroneal nerve
C) Sciatic nerve
D) Femoral nerve

Question 10

During weight-bearing knee extension,in which direction does the femur rotate on the tibia?

A) Medially
B) Laterally
C) Anteriorly
D) Posteriorly

Question 11

You are asked to instruct your client in eccentric strengthening of the hamstring muscles.The BEST instruction is

A) standing,slowly flex the knee.
B) standing,slowly extend the knee from a flexed position.
C) supine,slide the heel toward the hip.
D) side-lying,slowly extend the top knee from a flexed position.

Question 12

Which muscles are prime movers in knee extension?

A) Rectus femoris,vastus medialis,vastus lateralis
B) Biceps femoris,semitendinosus,semimembranosus
C) Vastus medialis,plantaris,vastus intermedialis
D) Semitendinosus,gluteus maximus,semimembranosus

Question 13

Which muscle has its origin at the anterior inferior iliac spine and its insertion at the tibial tuberosity?

A) Sartorius
B) Rectus femoris
C) Vastus intermedialis
D) Vastus medialis

Question 14

The ligaments that provide medial and lateral stability at the knee are called

A) cruciates.
B) menisci.
C) deltoid and lateral ligaments.
D) collaterals.

Question 15

Which of the following Q angle measurements would be considered an abnormal finding?

A) 10 degrees
B) 13 degrees
C) 15 degrees
D) 18 degrees

Question 16

Which of the following ligaments prevents excessive forward movement of the tibia on the femur?

A) Lateral meniscus
B) Medial collateral
C) Anterior cruciate ligament
D) Genu labrum

Question 17

Lying supine,instruct your client to move the right leg toward the ceiling,keeping the right knee straight.What type of contraction is occurring with the right quadriceps muscles?

A) Isokinetic
B) Isometric
C) Concentric
D) Eccentric

Question 18

Which muscle is responsible for "unlocking" the knee?

A) Popliteus
B) Plantaris
C) Soleus
D) Posterior tibialis

Question 19

The knee extensor that is located deep to the rectus femoris is the

A) popliteus.
B) vastus medialis.
C) semimembranosus.
D) vastus intermedialis.

Question 20

Descending the stairs and leading with the right foot,the right quadriceps muscles are performing which type of muscle contraction?

A) Concentric
B) Eccentric
C) Isometric
D) Isokinetic

Question 21

Your patient tells you that he is bowlegged.The proper medical terminology for this is

A) genu valgum.
B) genu varum.
C) genu recurvatum.
D) coxa vara.

Question 22

You are asked to instruct your client in eccentric strengthening of the quadriceps.The BEST instruction would be which of the following?

A) Seated,extend the knee
B) Seated with knee extended,slowly lower the foot,flexing the knee
C) Supine with knee flexed over a bolster,extend the knee
D) Prone with knee flexed,lower foot,extending the knee