Test # 3

Question 1

The sciatic nerve bundle comes out of the hip from under this muscle

Answer 1

Piriformis

Question 2

What muscle both strongly extends the hip and adducts the hip?

Answer 2

Adductor magnus posterior head

Question 3

The quadriceps are:

Answer 3

vastus medialis, rectus femoris, vastus intermedius, vastus lateralis

Question 4

The most accurate description action(s) of the rectus femoris:

Answer 4

flexion of the hip joint; extension of the knee joint

Question 5

Nerve damage to the gluteus medius and minimus of a person is quickly evident if you see a person walking (the pelvis sags). The affected nerve is the:

Answer 5

superior gluteal nerve

Question 6

Which of the following is NOT one of the hamstrings?

Answer 6

rectus femoris

Question 7

THe hamstrings are innervated by the:

Answer 7

tibial nerve

Question 8

The most accurate description of action(s) of the hamstrings:

Answer 8

flexion of the knee joint; extension of the hip joint

Question 9

What is the most medial muscle of the thigh?

Answer 9

gracilis

Question 10

The “tailor’s” muscle is the

Answer 10

sartorius

Question 11

The muscles most responsible for hip abduction

Answer 11

gluteus medius; gluteus minimus

Question 12

The nerve responsible for hip abduction is:

Answer 12

superior gluteal

Question 13

All hamstrings have a common innervation. This nerve is:

Answer 13

tibial nerve

Question 14

Between the two parts of adductor magnus (the distal ends) there is a separation of the parts. What is this separation called, and what is important about it?

Answer 14

Adductor hiatus; passage of femoral artery and vein from anterior to posterior thigh

Question 15

This muscle, during a full squat movement, is the only one able to apply full strength throughout the full range of eccentric flexion and full range of concentric extension of the hip joint

Answer 15

adductor magnus posterior head

Question 16

With the knee flexed, the _____ can medially rotate the leg a short range, while the ______ can externally rotate the leg for a short range

Answer 16

Semimembranosus and semitendinosus; biceps femoris

Question 17

Nerve damage to the gluteus medius and minimus of a person is quickly evident if you see a person walking. The affected nerve is:

Answer 17

Superior gluteal nerve

Question 18

A. Name the prime hip flexor that share a common tendon and insertion

Answer 18

Iliacus and Psoas Major

Question 19

B. What is their common insertion?

Answer 19

Lesser trochanter of femur

Question 20

C. These muscles are innervated by what nerve?

Answer 20

Femoral nerve

Question 21

D. If you do a straight-leg sit-ups, one of these muscles can help cause lower back aggravation. Which muscle and how?

Answer 21

-Psoas Major

-

Question 22

Obturator nerve innervates which muscles?

Answer 22

• Obturator externus
• Adductor Brevis
• Adductor Magnus
• Adductor Longus
• Gracilis

Question 23

The two bones that make up the leg are:

Answer 23

Tibia and Fibula

Question 24

The three bones that make up the superior ankle joint are

Answer 24

• Head of fibula
• Head of Tibia
• Talus

Question 25

Together, the ______ and _____ make up the triceps surae:

Answer 25

-Gastrocnemius and soleus

Question 26

The _______ is the “key that unlocks the knee”

Answer 26

Popliteus

Question 27

Two muscles transverse the sole of the foot from opposite sides to meet at their insertion sites to form up a stirrup for the foot. They are the ____ and the ________

Answer 27

Peroneus longus and Tibialis anterior

Question 28

Paralysis of this muscle causes “foot drop”

Answer 28

Tibialis anterior

Question 29

The three main everters of the foot are:

Answer 29

Peroneus longus, brevis, tertius

Question 30

The ____ and ____ are the main inverters of the foot

Answer 30

Tibialis anterior and tibialis posterior

Question 31

Though the ____ is a leg muscle, it assists in flexion of the knee

Answer 31

Gastrocnemius

Question 32

The superficial peroneal nerve innervates these two muscles

Answer 32

Peroneus longus and peroneus brevis