P2 Chapter 11 MUSCLES

Question 1

Most muscles cross at least one

a) tendon
b) joint
c) bone
d) ligament
e) body plane

Answer 1

b) joint

Question 2

The attachment of a muscle’s tendon to the stationary bone is called the _____; the attachment of the muscle’s other tendon to the movable bone is called the _____.

a) origin, action
b) insertion, action
c) origin, insertion
d) insertion, origin
e) insertion, action

Answer 2

c) origin, insertion

Question 3

A lever is acted on at two different points by two different forces which are called the

a) fulcrum and resistance.
b) leverage and load.
c) lever and resistance.
d) effort and load.
e) lever and effort.

Answer 3

d) effort and load.

Question 4

Motion will occur in a muscle when the _____ supplied exceeds the _____.

a) effort, load
b) resistance, lever
c) load, effort
d) load, resistance
e) lever, effort

Answer 4

a) effort, load

Question 5

Which of the following is NOT a common arrangement of muscle fascicles?

a) pennate
b) triangular
c) oval
d) parallel
e) fusiform

Answer 5

c) oval

Question 6

This type of fascicle arrangement has the fascicles spread over a broad area and converges at a thick central tendon.

a) triangular
b) pennate
c) circular
d) fusiform
e) multipennate

Answer 6

a) triangular

Question 7

The muscle that serves as the “prime mover” during a movement is called the

a) antagonist.
b) agonist.
c) synergist.
d) asynergist.
e) fixator.

Answer 7

b) agonist.

Question 8

This type of muscle works by stabilizing the origin of the agonist so that it can act more efficiently.

a) synergist
b) agonist
c) antagonist
d) fixator
e) secondary mover

Answer 8

d) fixator

Question 9

Which of the following is NOT a characteristic commonly used to name skeletal muscles?

a) Size
b) Shape
c) Number of origins
d) Sites of origins
e) Thickness of fibres

Answer 9

e) Thickness of fibres

Question 10

If one is stabbed on the lateral side of the abdomen, what abdominal muscles, in order from superficial to deep, will the knife go through?

a) rectus abdominis, external oblique, internal oblique
b) external oblique, internal oblique, transversus abdominis
c) transversus abdominis, rectus abdominis, external oblique
d) external oblique, transversus abdominis, rectus abdominis
e) internal oblique, transversus abdominis, external oblique

Answer 10

b) external oblique, internal oblique, transversus abdominis

Question 11

Protrusion of an organ through a structure that normally contains it is referred to as a

a) hernia.
b) goiter.
c) strain.
d) sprain.
e) hydrocele.

Answer 11

a) hernia.

Question 12

A condition where the two eyeballs are not properly aligned is referred to as

a) inguinal hernia.
b) strabismus.
c) presbyopia.
d) myopia.
e) hypermetropia.

Answer 12

b) strabismus.

Question 13

A muscle that has three origins is called a

a) biceps.
b) triceps.
c) quadriceps.
d) deltoid.
e) trapezius.

Answer 13

b) triceps.

Question 14

A muscle that raises or elevates a body part is called a

a) pronator.
b) tensor.
c) flexor.
d) depressor.
e) levator.

Answer 14

e) levator.

Question 15

A muscle that decreases the size of an opening is a

a) rotator.
b) tensor.
c) pronator.
d) sphincter.
e) depressor.

Answer 15

d) sphincter.

Question 16

Contraction of this muscle presses the cheeks against the teeth and lips as would be observed in whistling, blowing or sucking.

a) buccinator
b) zygomaticus
c) frontalis
d) epicranius
e) occipitalis

Answer 16

a) buccinator

Question 17

All of the following are muscles that move the eyeball EXCEPT

a) superior rectus.
b) lateral rectus.
c) inferior oblique.
d) internal oblique.
e) superior oblique.

Answer 17

d) internal oblique.

Question 18

Which of the following is a muscle whose insertion is found on the clavicle and acromion process of the scapula within the pectoral girdle?

a) trapezius
b) pectoralis major
c) latissimus dorsi
d) gracilus
e) sartorius

Answer 18

a) trapezius

Question 19

All of the following are muscles of the lower limb EXCEPT the

a) deltoid.
b) adductor magnus.
c) adductor longus.
d) quadriceps femoris.
e) vastus medialis.

Answer 19

a) deltoid.

Question 20

Based on its name, which of the following best describes characteristics of the biceps femoris muscle?

a) has two insertions and found in lower leg
b) has two bellies and found in the upper leg
c) has two origins and found in the upper leg
d) has two origins and found in the upper arm
e) has two insertions and found in the upper leg

Answer 20

c) has two origins and found in the upper leg

Question 21

Which of the following muscles is NOT part of the quadriceps femoris muscle group?

a) rectus femoris
b) biceps femoris
c) vastus medialis
d) vastus lateralis
e) vastus intermedius

Answer 21

b) biceps femoris

Question 22

This muscle, which is found in the neck, functions to elevate the hyoid bone and help press the tongue against the roof of the mouth during swallowing.

a) mylohyoid
b) sternothryroid
c) sternocleidomastoid
d) digastric
e) masseter

Answer 22

a) mylohyoid

Question 23

The sternocleidomastoid muscles flex the neck, and the splenius cervices muscles extend it. What is the relationship between these muscles when bowing your head?

a) The sternocleidomastoid is the prime mover, and the splenius cervices in the fixator
b) The sternocleidomastoid is the prime mover, and the splenius cervices is the synergist.
c) The sternocleidomastoid is the prime mover, and the splenius cervices is the antagonist
d) The sternocleidomastoid is the fixator and the splenius services is the prime mover
e) The sternocleidomastoid is the synergist and the splenius cervices id the is fixator

Answer 23

a) The sternocleidomastoid is the prime mover, and the splenius cervices in the fixator

Question 24

Which of the following is true?

a) The origin of a muscle on a limb is usually proximal to it intersection
b) A muscle must cover the limb or other body part it moves
c) Muscles crossing one joint have more complex actions then those crossing two joints
d) A and B are correct.
e) A,B and C are correct

Answer 24

a) The origin of a muscle on a limb is usually proximal to it intersection

Question 25

Which of the following muscles is used in forceful breathing? a) Diaphragm b) External intercostals c) Internal intercostals d) A and B are correct e) A, B and C are correct

Answer 25

e) A, B and C are correct

Question 26

Which of the following actions does the deltoid perform? a) Adduction of the arm b) Abduction of the arm c) Flexion of the forearm d) Extension of the forearm e) Both abduction of the arm and flexion of the forearm

Answer 26

b) Abduction of the arm

Question 27

What action does the Gluteus Maximus do? a) Abducts thigh at the hip joint and medially rotates thigh b) Extends thigh at the hip joint and laterally rotates thigh c) Flexes thigh at the hip joint d) Flexes leg at knee joint e) Adduct and flexes thigh at hip joint

Answer 27

b) Extends thigh at hip joint and laterally rotates thigh

Question 28

The origin is the point of muscle attachment that is __________. A) stationary B) moveable C) synergistic

Answer 28

A) stationary

Question 29

Which of the following would be antagonistic to the biceps brachii? A) brachialis B) palmaris longus C) triceps brachii

Answer 29

C) triceps brachii

Question 30

The insertion is the point of muscle attachment that is __________. a) stationary b) moveable c) synergistic

Answer 30

b) moveable

Question 31

if muscle A contracts and causes movement of some sort, and muscle B helps muscle A accomplish this task, and muscle C does the opposite of A, then muscle A is a(n) __________ muscle, muscle B is a __________ muscle, and muscle C is a(n) __________ muscle. a) antagonist; synergist; prime mover b) prime mover; synergist; antagonist c) synergist; prime mover; antagonist

Answer 31

b) prime mover; synergist; antagonist

Question 32

Which of the following terms do NOT describe the shape of a muscle? a) rhomboid b) rectus c) deltoid

Answer 32

b) rectus

Question 33

Which of the following muscles are named according to both the insertion and origin? a) rectus femoris b) tibialis anterior c) coracobrachialis

Answer 33

c) coracobrachialis

Question 34

Sphincter muscles consist of which arrangement of fascicles? a) parallel b) circular c) pennate

Answer 34

b) circular

Question 35

When the arm is flexed, the biceps brachii bulges in the middle. This type of muscle consists of __________ fascicles. a) parallel b) circular c) pennate

Answer 35

a) parallel

Question 36

Which of the following muscles is lateral to the palmaris longus? a) flexor carpi radialis b) flexor carpi ulnaris c) extensor carpi radialis

Answer 36

a) flexor carpi radialis

Question 37

Which of the following muscles angles across the anterior leg, beginning at the lateral edges of the hip to the medial side of the leg and inserts on the tibia just inferior to the patella? a) gracilis b) sartorius c) rectus femoris

Answer 37

b) sartorius

Question 38

Which of the following muscles is part of the quadriceps group? a) sartorius b) semitendinosus c) rectus femoris

Answer 38

c) rectus femoris

Question 39

Which of the following muscles lie deep to the biceps brachii? a) brachialis b) triceps brachii c) palmaris longus

Answer 39

a) brachialis

Question 40

The most medial muscle of the thigh is the __________. a) gracilis b) biceps femoris c) adductor longus

Answer 40

a) gracilis

Question 41

Which of the following muscles is a lateral muscle of the posterior thigh? a) semitendinosus b) biceps femoris c) adductor magnus

Answer 41

b) biceps femoris

Question 42

What is the name of the muscle that is in the center of the anterior neck and extends from the sternum to the hyoid bone? a) mentalis b) omohyoid c) sternohyoid

Answer 42

c) sternohyoid

Question 43

What is the name of the muscle that extends from the fascia of the masseter to the corner of the lips? a) risorius b orbicularis oris c) levator labii superiori

Answer 43

a) risorius

Question 44

There are three major muscles making up the erector spinae group. Which of the following is the most medial? a) spinalis b) longissimus c) iliocostalis

Answer 44

a) spinalis

Question 45

Which of the following is a lower back muscle that inserts on the humerus? a) trapezius b) rhomboid major c) latissimus dorsi

Answer 45

c) latissimus dorsi

Question 46

Which of the following statements is true? a) The gastrocnemius is deep to the soleus. b) The semitendinosus is lateral to the biceps femoris. c) The adductor longus is anterior to the adductor magnus.

Answer 46

c) The adductor longus is anterior to the adductor magnus.

Question 47

Which of the following statements is true? a) The gastrocnemius is deep to the soleus. b) The gastrocnemius is lateral to the soleus. c) The gastrocnemius is superficial to the soleus.

Answer 47

c) The gastrocnemius is superficial to the soleus.

Question 48

Which muscle is the most medial? a) pectineus b) iliopsoas c) adductor longus

Answer 48

c) adductor longus

Question 49

Which of the following muscles will close the jaw upon contraction? a) masseter b) platysma c) orbicularis oris

Answer 49

a) masseter

Question 50

Which of the following muscles abducts the arm? a) deltoid b) biceps brachii c) pectoralis major

Answer 50

a) deltoid

Question 51

Which of the following muscles will adduct the thigh? a) gracilis b) rectus femoris c) tensor fasciae latae

Answer 51

a) gracilis

Question 52

The intercostals are __________ muscles. a) rib b) abdominal c) lower back

Answer 52

a) rib

Question 53

Which of the following muscles are antagonistic muscles? a) platysma and masseter b) pectoralis minor and serratus anterior c) flexor carpi radialis and flexor carpi ulnaris

Answer 53

a) platysma and masseter

Question 54

Which of the following is NOT a part of the quadriceps group? a) rectus femoris b) biceps femoris c) vastus lateralis

Answer 54

b) biceps femoris

Question 55

Which of the following statements is true? a) The soleus is deep to the gastrocnemius. b) The palmaris longus is deep to the flexor digitorum superficialis. c) The sartorius angles from the hip to the lateral edge of the patella and then inserts on the tibial tuberosity.

Answer 55

a)The soleus is deep to the gastrocnemius.

Question 56

During inhalation, the ribs are elevated and the diaphragm muscle contracts (depresses). What is the name of the rib muscles involved in the process of inhalation? a) pectoralis major b) external intercostals c) internal intercostals

Answer 56

c) internal intercostals

Question 57

The rhomboid major and minor muscles are deep to the __________. a) trapezius b) latissimus dorsi c) pectoralis major

Answer 57

a) trapezius

Question 58

The brachialis muscle is deep to the __________. a) biceps brachii b) triceps brachii c) coracobrachialis

Answer 58

a) biceps brachii

Question 59

The flexor digitorum profundus is deep to the __________. a) brachioradialis b) flexor carpi ulnaris c) extensor carpi ulnaris

Answer 59

b) flexor carpi ulnaris

Question 60

The adductor brevis is __________ to the adductor magnus. a) deep b) lateral c) superior

Answer 60

c) superior

Question 61

The adductor brevis is deep to the __________. a) pectineus b) biceps femoris c) rectus femoris

Answer 61

c) rectus femoris

Question 62

Which of the following are the four muscles comprising the quadriceps (quadriceps femoris)? a) sartorius, iliopsoas, adductor longus, and pectineus b) rectus femoris, sartorius, vastus lateralis, and vastus medialis c) rectus femoris vastus lateralis vastus medialis and vastus intermed

Answer 62

c) rectus femoris vastus lateralis vastus medialis and vastus intermed

Question 63

Tendinitis of the tibialis posterior can result in a painful condition commonly known as a. pulled hamstrings b. painful heel syndrome c. shinsplints d. stress fractures

Answer 63

c. shinsplints

Question 64

2. Which of the following is true? a. Muscles that extend and supinate the forearm are all innervated by the radial or deep radial nerves b. The palmaris brevis extends the palm c. The anterior, middle, and posterior scalenes all extend the vertebral column d. Extensors are generally longer and stronger than flexors

Answer 64

a. Muscles that extend and supinate the forearm are all innervated by the radial or deep radial nerves

Question 65

The thenar eminence a. includes palmaris brevis and abductor digiti minimi b. consists of muscles involved with movement of the little finger c. consists of muscles innervated exclusively by the ulnar nerve d. consists of muscles that contribute to opposition of the thumb and little finger

Answer 65

d. consists of muscles that contribute to opposition of the thumb and little finger

Question 66

The origin is a. the attachment of a muscle tendon to a moveable bone b. the attachment of a muscle tendon to a stationary bone c. the fleshy portion of a muscle between tendons d. the part of the muscle that crosses the joint

Answer 66

b. the attachment of a muscle tendon to a stationary bone

Question 67

A runner suffers a pulled hamstring. Which of the following muscles might be involved? a. rectus femoris b. vastus lateralis c. vastus medialis d. biceps femoris

Answer 67

d. biceps femoris

Question 68

A muscle which functions as the prime mover is called a(n) a. antagonist b. fixator c. agonist d. third class lever

Answer 68

c. agonist

Question 69

Which of the following is true concerning the quadriceps femoris? a. It consists of four muscles located in the leg b. All four muscles in this group function to extend the leg c. All four heads function to flex the thigh d. All of the muscles in this group are innervated by the tibial nerve

Answer 69

b. All four muscles in this group function to extend the leg

Question 70

In order for skeletal muscles to cause movement they must a. be associated with an aponeurosis b. consist of long fibers c. act as fixators d. cross at least one joint

Answer 70

d. cross at least one joint

Question 71

The flexor pollicis longus has its insertion on the a. calcaneus b. trapezius c. thumb d. pubis

Answer 71

c. thumb

Question 72

The rectus abdominis, external oblique, internal oblique, and transversus abdominis all have one function in common. What is it? a. All are classified architecturally as parallel muscles b. All are on the posterior surface of the body c. They are the only muscles never to undergo tetanus d. All function to compress the abdomen

Answer 72

d. All function to compress the abdomen

Question 73

Which of the following is true of synergistic muscle groups? a. They contract together for coordinated movement b. They are usually on the opposite of a limb c. Examples are triceps brachii and biceps brachii d. They are always red muscles

Answer 73

a. They contract together for coordinated movement

Question 74

Which of the following is an example of a bipennate muscle? a. rectus abdominis b. deltoid c. gastrocnemius d. rectus femoris

Answer 74

d. rectus femoris

Question 75

An example of a circular muscle is the a. deltoid b. sartorius c. biceps brachii d. orbicularis oris

Answer 75

d. orbicularis oris

Question 76

Antagonistic muscle groups a. are usually located on the same side of a limb b. perform opposite functions c. are usually circular muscles d. contract together to perform a coordinated movement

Answer 76

b. perform opposite functions

Question 77

The maximum ability to move the bones of a joint through an arc is a. range of motion b. leverage c. resistance d. synergism

Answer 77

a. range of motion

Question 78

The deltoid muscle is a. unipennate b. bipennate c. multipennate d. fusiform

Answer 78

c. multipennate

Question 79

Muscles that hold the scapula firmly in place while the forearm moves are called the a. adductors b. prime movers c. antagonists d. fixators

Answer 79

d. fixators

Question 80

An adductor muscle a. decreases the angle of a joint b. rotates a bone around its long axis c. moves a part of the body toward the midline d. decreases the size of an opening in the body

Answer 80

c. moves a part of the body toward the midline

Question 81

The gracilis muscle is located in the a. leg b. thigh c. abdomen d. forearm

Answer 81

b. thigh

Question 82

The masseter muscle is located in the a. head b. neck c. abdomen d. forearm

Answer 82

a. head

Question 83

A muscle of the head that is divided into two parts, separated by an aponeurosis is the a. masseter b. temporalis c. zygomaticus major d. epicranius

Answer 83

d. epicranius

Question 84

Movement of the lower lip in a pouting position, elevated and protruded is caused by the action of the a. orbicularis oris muscle b. lmasseter muscle c. mentalis muscle d. levator labii superioris muscle

Answer 84

c. mentalis muscle

Question 85

Which muscle is contracted when you open your eyes (elevate the upper eyelid)? a. levator labii superioris b. levator palpebrae superioris c. orbicularis oculi d. corrugator supercilii

Answer 85

b. levator palpebrae superioris

Question 86

Which muscle is attached to (inserts on) the corners of the mouth? a. risorius b. mentalis c. levator labii superioris d. frontalis

Answer 86

a. risorius

Question 87

Which broad, flat muscle covers the mandible and the sides of the throat region? a. masseter b. frontalis c. occipitalis d. platysma

Answer 87

d. platysma

Question 88

Which broad, flat muscle originates on the bone over the ears? a. masseter b. platysma c. temporalis d. occipitalis

Answer 88

c. temporalis

Question 89

A muscle that moves the lower jaw and that is named after its origin is the a. digastric b. lateral pterygoid c. masseter d. platysma

Answer 89

b. lateral pterygoid

Question 90

The inferior rectus muscle a. rolls the eyeball down b. moves the eyeball upward and laterally c. keeps the eyeball erect d. rolls the eyeball medially

Answer 90

a. rolls the eyeball down

Question 91

All of the extrinsic muscles that move the eyeball insert on the a. bones of the orbit of the eye b. optic nerve c. sclera of the eyeball d. sphenoid bone

Answer 91

c. sclera of the eyeball

Question 92

The hyoglossus muscle is named after its a. action b. shape c. origin and insertion d. location

Answer 92

c. origin and insertion

Question 93

A muscle of the floor of the oral cavity that has two origins is the a. digastric muscle b. stylohyoid muscle c. mylohyoid muscle d. geniohyoid muscle

Answer 93

a. digastric muscle

Question 94

The action of the sternocleidomastoid muscle is antagonistic to the a. longissimus capitis muscle b. masseter muscle c. temporal muscle d. digastric muscle

Answer 94

a. longissimus capitis muscle

Question 95

The transversus abdominis muscle is located ________ to the internal oblique muscle a. lateral b. deep c. superficial d. medial

Answer 95

b. deep

Question 96

Which muscle flexes the vertebral column? a. quadratus lumborum b. trapezius c. pectoralis major d. rectus abdominis

Answer 96

d. rectus abdominis

Question 97

The diaphragm muscle inserts on the a. first three thoracic vertebrae b. a strong aponeurosis called the central tendon c. the inferior border of the eleventh and twelfth ribs d. the first lumbar vertebra

Answer 97

b. a strong aponeurosis called the central tendon

Question 98

. The levator ani and the coccygeus muscles together a. open the anus b. draw the organs of the pelvis into the abdominal cavity c. support and slightly raise the pelvic floor d. function only during childbirth in the female

Answer 98

c. support and slightly raise the pelvic floor

Question 99

The most lateral muscle of the pelvic diaphragm is the a. coccygeus b. levator ani c. pubococcygeus d. iliococcygeus

Answer 99

a. coccygeus

Question 100

The base of the penis is surrounded by the _________ muscle a. ischiocavernosus b. coccygeus c. bulbospongiosus d. external anal sphincter

Answer 100

c. bulbospongiosus

Question 101

Part of the insertion of the trapezius muscle is on the a. occipital bone b. cervical vertebrae c. sternum d. clavicle

Answer 101

d. clavicle

Question 102

A muscle that acts only on the clavicle is the a. pectoralis minor b. rhomboideus minor c. subclavius d. serratus anterior

Answer 102

c. subclavius

Question 103

Which muscle of the pectoral girdle acts as an accessory muscle of inspiration? a. pectoralis minor b. subclavius c. trapezius d. levator scapulae

Answer 103

a. pectoralis minor

Question 104

Which muscle inserts on the largest number of ribs? a. subclavius b. pectoralis minor c. rhomboideus major d. serratus anterior

Answer 104

d. serratus anterior

Question 105

Which muscle of the pectoral girdle has the broadest origin? a. rhomboideus major b. pectoralis minor c. trapezius d. levator scapulae

Answer 105

c. trapezius

Question 106

The latissimus dorsi and the pectoralis major muscles originate on the a. scapula b. ribs c. humerus d. axial skeleton.

Answer 106

d. axial skeleton.

Question 107

The strength and stability of the shoulder joint is provided by the a. deltoid muscle b. shape of the articulating bones and ligaments c. muscles and tendons of the rotator cuff d. latissimus dorsi and pectoralis major muscles

Answer 107

c. muscles and tendons of the rotator cuff

Question 108

Which muscle that crosses the shoulder joint moves the arm in the greatest number of different directions? a. teres major b. deltoid c. supraspinatus d. subscapularis

Answer 108

b. deltoid

Question 109

The only muscle that originates on both the clavicle and the scapula is the a. deltoid b. trapezius c. pectoralis major d. supraspinatus

Answer 109

a. deltoid

Question 110

Which muscle acts synergistically with the anconeus to extend the forearm? a. deltoid b. biceps brachii c. triceps brachii d. coracobrachialis

Answer 110

c. triceps brachii

Question 111

The short head of the biceps brachii originates on the a. coracoid process of the scapula b. clavicle c. glenoid fossa of the shoulder joint d. acromion of the scapula

Answer 111

a. coracoid process of the scapula

Question 112

The flexor digitorum profundus muscle acts to flex the a. thumb b. distal phalanges of the fingers c. wrist d. proximal phalanges of the fingers

Answer 112

b. distal phalanges of the fingers

Question 113

The single most distinctive digital movement that gives humans their tool grasping capability is a. flexion b. abduction c. adduction d. opposition

Answer 113

d. opposition

Question 114

The splenius muscles act only on the a. head and neck b. thoracic region of the vertebral column c. lumbar vertebrae d. sacral region of the spine

Answer 114

a. head and neck

Question 115

Which muscles that move the vertebral column run parallel with the vertical axis of the spine? a. splenius b. transversospinalis c. erector spinae d. scalenes

Answer 115

c. erector spinae

Question 116

Which of the following muscles is the shortest, with origin and insertion between adjacent vertebrae? a. iliocostalis b. semispinalis c. splenius d. rotatores

Answer 116

d. rotatores

Question 117

Which of the muscle groups that extend the vertebral column is located most laterally? a. iliocostalis b. spinalis c. longissimus d. semispinalis

Answer 117

a. iliocostalis

Question 118

Which muscles of the vertebral column originate and insert only on transverse processes of the vertebrae? a. rotatores b. intertransversarii c. multifidus d. interspinales

Answer 118

b. intertransversarii

Question 119

The largest, heaviest muscle of the body is the a. quadriceps femoris b. latissimus dorsi c. biceps brachii d. gluteus maximus

Answer 119

d. gluteus maximus

Question 120

Of the muscles that flex the thigh, the only one that originates on the vertebral column is the a. psoas major b. iliacus c. pectineus d. tensor fasciae latae

Answer 120

a. psoas major

Question 121

Which muscle originates on the iliac spine and inserts on the medial surface of the tibia? a. gracilis b. sartorius c. rectus femoris d. tensor fasciae latae

Answer 121

b. sartorius

Question 122

Which muscle lies deep to the rectus femoris? a. vastus lateralis b. vastus intermedius c. vastus medialis d. sartorius

Answer 122

b. vastus intermedius

Question 123

The medial compartment of the thigh contains muscles that _______ the thigh a. adduct b. abduct c. flex d. extend

Answer 123

a. adduct

Question 124

The longest muscle of your body is the a. rectus femoris b. sartorius c. latissimus dorsi d. gastrocnemius

Answer 124

b. sartorius

Question 125

The hamstring muscles act to a. flex the thigh b. extend the leg c. extend the thigh and flex the leg d. flex the thigh and extend the leg

Answer 125

c. extend the thigh and flex the leg

Question 126

The muscles of the anterior compartment of the leg a. dorsiflex the foot b. plantar flex the foot c. evert the foot d. invert the foot

Answer 126

a. dorsiflex the foot

Question 127

The flexor hallicus longus muscle flexes the a. thigh b. leg c. great toe d. four small toes

Answer 127

c. great toe

Question 128

The Achilles tendon attaches (inserts) on the a. calcaneus b. patella c. tibia d. fibula

Answer 128

a. calcaneus

Question 129

The belly (contractile elements) of the extensor digitorum longus muscle lies entirely in the a. plantar surface of the foot b. anterior compartment of the leg c. posterior compartment of the leg d. lateral compartment of the leg

Answer 129

b. anterior compartment of the leg

Question 130

The preferred site of injection in the buttocks region is the a. gluteus maximus b. gluteus medius c. gluteus minimus d. tensor fasciae latae

Answer 130

b. gluteus medius

Question 131

A very common muscle injury in individuals who run hard is to the a. gastrocnemius b. quadriceps femoris c. hamstrings d. sartorius

Answer 131

c. hamstrings

Question 132

The bone of the leg that is often damaged in a stress fracture is the a. femur b. tibia c. fibula d. talus

Answer 132

b. tibia