The Thigh and Leg

Question 1

Which four muscles comprise the quadriceps muscle?

Answer 1

Rectus femoris
Vastus medialis
Vastus lateralis
Vastus intermedius

Question 2

Which nerve supplies the quadriceps muscles?

Answer 2

Femoral nerve

Question 3

Which bone does the quadriceps tendon insert on?

Answer 3

Patella

Question 4

What is the origin and insertion of the sartorius muscle?

Answer 4

Iliac spine and tibia

Question 5

What is the action of the sartorius muscle?

Answer 5

Flexion of the hip and knee

Question 6

The adductor hiatus exists between the two portions of which muscle?

Answer 6

Adductor magnus muscle

Question 7

Which nerve supplies gluteus maximus?

Answer 7

Inferior gluteal nerve

Question 8

Which nerve supplies the gluteus minimus and medius muscles?

Answer 8

Superior gluteal nerve

Question 9

Which muscle separates the sciatic foramen in two?

Answer 9

Piriformis

Question 10

Which muscle does the sciatic nerve sometimes pierce?

Answer 10

Piriformis

Question 11

Which quadrant of the buttocks is an IM injection given in to prevent damage to the sciatic nerve?

Answer 11

Bottom and medial quadrant

Question 12

What is the function of the cruciate ligaments of the knee?

Answer 12

To prevent the anterior and posterior displacement of the tibia

Question 13

Which muscle is responsible for unlocking the knee?

Answer 13

Popliteus

Question 14

When the knee is extended, in what direction does the femur rotate to lock the knee?

Answer 14

Medially

Question 15

Which three muscles comprise the pes ansernius which extends the knee?

Answer 15

Semitendinosus
Gracilis
Sartorius

Question 16

Which muscles provide the boundary of the femoral triangle?

Answer 16

Sartorius and adductor longus

Question 17

Name the structures which exist within the femoral triangle in order from most lateral to most medial.

Answer 17

Femoral nerve
Femoral artery
Femoral vein

Question 18

Where would the knee be aspirated if it were to fill with fluid?

Answer 18

Suprapatellar pouch

Question 19

Which muscles provides the boundaries of the popliteal fossa?

Answer 19

Biceps femoris
Semimembranous
Medial and lateral head of gastrocnemius

Question 20

Where would a bakers cyst occur?

Answer 20

Popliteal fossa

Question 21

Foot drop will result from damage to which nerve?

Answer 21

Common peroneal nerve

Question 22

The common peroneal nerve wraps around the neck of which bone?

Answer 22

Fibula

Question 23

Which muscle is most important in extension of the hip?

Answer 23

Gluteus maximus

Question 24

Which muscles are important in flexion of the hip?

Answer 24

Ilio psoas
Pectineus
Quadriceps
Sartorius

Question 25

Which muscles are important in abduction of the hip?

Answer 25

Gluteus medius Gluteus minimus Piriformis Tensor fascia latae

Question 26

Which muscles are important in lateral rotation of the hip?

Answer 26

Gluteus maximus Piriformus Obturator internus

Question 27

Which muscles are important in adduction of the hip?

Answer 27

Pectineus Adductor longus Gracilis Adductor magnus

Question 28

What muscle is important for medial rotation of the hip?

Answer 28

Gluteus medius

Question 29

Which muscle is important in extension of the knee?

Answer 29

Quadriceps

Question 30

Which muscles are important in flexion of the knee?

Answer 30

``` Biceps femoris Semitendinous Semimembranous Sartorius Gracilis Gastrocnemius ```

Question 31

Which nerve innervates the adductors of the thigh?

Answer 31

Obturator nerve

Question 32

Which nerve innervates the anterior thigh?

Answer 32

Femoral nerve

Question 33

Which nerve innervates the posterior thigh?

Answer 33

Sciatic nerve

Question 34

Where does the sciatic nerve branch into the tibial nerve and common peroneal nerve?

Answer 34

Popliteal fossa

Question 35

Which nerve supplies the extensors of the ankle?

Answer 35

Deep peroneal nerve

Question 36

Which nerve supplies the flexors of the foot?

Answer 36

Tibial nerve