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From Flashcardlet > A&P Muscle Worksheet > Flashcards

A&P Muscle Worksheet Flashcards

1
Q

The epicranius is made up of what two parts?

A

Frontalis and occipitalis

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2
Q

The frontalis muscle inserts where?

A

The skin of the eyebrow

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3
Q

The motion produced when the frontalis contracts it what?

A

Raising the eyebrows

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4
Q

The frontalis attaches directly to the skull: T/F

A

False

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5
Q

What is the action of the obicularis oculi?

A

Close the eye

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6
Q

What is the action of the obicularis oris?

A

Close the mouth

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7
Q

The obicularis oculi and obicularis oris are muscle that are classified as what?

A

Circular

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8
Q

The temporalis and masseter insert on which bone?

A

Mandible

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9
Q

The action of the masseter and the temporalis is what?

A

Jaw closure

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10
Q

Where does the sternocleidomastoid originate?

A

The clavicle and manubrium

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11
Q

What happens when the right sternocleidomastoid contracts in isolation?

A

Rotation of head to the left and lateral flexion of the head to the right

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12
Q

What are the four muscles of the abdominal group?

A

Transverse abdominis
Rectus abdominis
External oblique
Internal oblique

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13
Q

The transverse abdominis is one of the superficial muscles of the group: T/F

A

False

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14
Q

What is the largest and most superficial of the abdominal group?

A

The external oblique

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15
Q

What is the action when all of the abdominal muscles contract?

A

Compression

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16
Q

What motion is produced when the two rectus abdominis muscles contract?

A

The flexion of the vertebral spine

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17
Q

What large muscle group causes trunk extension?

A

Erector spinae

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18
Q

What are the three columns of muscles on each side of the vertebrae?

A

Rhomboids
Trapezius
Latissimus dorsi

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19
Q

What muslce is the large convergent superficial muscle on the anterior aspect of the chest with two sites of origin, the clavicle and the sternum?

A

Pectoralis major

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20
Q

Where does the pectoralis major insert?

A

Greater tubercle of the humerus

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21
Q

What is another term for medial rotation?

A

Internal rotation

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22
Q

What is another term for lateral rotation?

A

External rotation

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23
Q

What action does the pectoralis major perform?

A

Flexion, adduction, and internal/medial rotation of the shoulder

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24
Q

What muslce originates on the anterior surfaces or ribs 3-5 and inserts on the coracoid process?

A

Pectoralis minor

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25
Q

The pectoralis miinor will draw the rib cage superiorly/inferiorly when the scapula is fixed?

A

Superiorly

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26
Q

What muscle originates by a series of muscle slips from ribs 1-8 and inserts on the entire anterior surface of the vertebral border of the scapula?

A

Serratus anterior

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27
Q

How does the serratus anterior cause the scapula to move?

A

Laterally and superiorly

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28
Q

What is the large superficial muscle on the dorsal surface of the thorax that is triangular in shape that originates from the occipital bone, and spinous processes of the cervical and thoracic vertebrae?

A

Trapezius

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29
Q

Where does the trapezius insert?

A

Clavicle, and spinous process and acromion of the scapula

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30
Q

What motion does the trapezius perform?

A

Elevates, adducts, and rotates scapula

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31
Q

What muscle group consists of two roughtly diamond shaped muscles that originate from the spinous processes of C7 to T5 and insert on the medial border of the scapula?

A

Rhomboids

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32
Q

What motion do the rhomboids perform?

A

Adduct and downwardly rotate the scapula

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33
Q

What is the large convergent muscle on the dorsal aspect of the lumbar region that originates indirectly from fascia that attaches to the lower thoracic and lumbar vertebrae and lower ribs?

A

Latissimus dorsi

34
Q

Where does the latissimus dorsi insert?

A

The posterior aspect of the humerus

35
Q

What action does the latissimus dorsi perform?

A

Shoulder extension, adduction, and medial rotation

36
Q

What is the multipennate muscle that originates from the clavicle, and the spine and acromion of the scapula and inserts on the humerus?

A

Deltoid

37
Q

What action does the deltoid cause?

A

Abduction when the fibers contract simultaneously; flexion or extension when only anterior or posterior fibers contract

38
Q

What are the four rotator cuff muscles?

A

Teres minor
Supraspinatus
Infraspinatus
Subscapularis

39
Q

What is the totator cuff muscle that originates in the subscapular fossa of the scapula and inserts on the lesser tubercule of the humerus?

A

Subscapularis

40
Q

What motion is produced by the subscapularis?

A

Medial rotation of the humerus

41
Q

What is the rotator cuff muscle that originates from the infraspinous fossa of the scapula and inserts on the greater tubercle of the humerus?

A

Infraspinatus

42
Q

What motion is produced by the infraspinatus?

A

Lateral rotation of the humerus

43
Q

What is the small rotator cuff muscle that lies inferior to the infraspinatus and inserts on the greater tubercle of the humerus?

A

Teres minor

44
Q

What motion is produced by the teres minor?

A

Lateral rotation of the humerus

45
Q

What is the thick round muscle that is located inferior to the teres minor that originates on the posterior scapula and inserts on the anterior humerus?

A

Teres major

46
Q

What muscle does the teres major share a common insertion tendon and function?

A

Latissimus dorsi

47
Q

What is the elbow flexor that has two sites of origin on the scapula and inserts by a common tendon into the radial tuberosity?

A

Biceps brachii

48
Q

What motion is produced by the biceps brachii?

A

Elbow flexion and forearm supination

49
Q

What is the elbow flexor that originates on the anterior surface of the humerus and inserts on the ulna and capsule of the elbow joint?

A

Brachialis

50
Q

What muscle is the strongest elbow flexor?

A

Brachialis

51
Q

What muscle originates from the distal humerus and inserts on the styloid process of the radius?

A

Brachioradialis

52
Q

What muscle is the weakest elbow flexor that acts best when the forearm is partially flexed and semipronated?

A

Brachioradialis

53
Q

What is the large muscle that originates from the scapula and posterior humerus and inserts on the olecranon process of the ulna?

A

Triceps brachii

54
Q

What motion is produced by the triceps brachii?

A

Forearm extension

55
Q

What is the site of origin for the flexors of the wrist and fingers?

A

The medial epicondyle of the humerus

56
Q

What is the site of origin for the extensors of the wrist and fingers?

A

The lateral epicondyle of the humerus

57
Q

What is the long strap like muscle that originates from the superior iliac spine and inserts on the medial side of the proximal tibia?

A

Sartorius

58
Q

What motion does the sartorius produce?

A

Flexion and external rotation of the hip, and flexion of the knee

59
Q

What is the long thin superficial muscle that originates from the pubis and inserts on the medial tibia?

A

Gracilis

60
Q

What are the four muscles of the quadriceps group?

A

Rectus femoris
Vastus medialis
Vastus lateralis
Vastus intermedius

61
Q

The four quadriceps muscle blend into a common tendon that contains what sesamoid bone? Where do the muscles insert?

A

Patella, Tibial tuberosity

62
Q

What is the superficial muscle of the quadriceps group that originates on the anterior ilium?

A

Rectus femoris

63
Q

What is the largest muscle of the quadriceps group that originates ont he greater trochanter?

A

Vastus lateralis

64
Q

What is the muscle of the quadriceps groups that originates from the linea aspera and medial supracondylar region of the femur?

A

Vastus medialis

65
Q

What motion results from the contraction of the quadriceps group?

A

Hip flexion and knee extension

66
Q

What are the three muscles named gluteus?

A

Maximus, medius, minimus

67
Q

Where does the largest gluteus muscle insert?

A

The gluteal tuberosity of the femur

68
Q

Where does the largest gluteus muscle originate?

A

The dorsal ilium, sacrum, and coccyx

69
Q

What is the function of the gluteus maximus?

A

Thigh extension

70
Q

What three muscles make up the hamstring group?

A

Biceps femoris
Semitendinosus
Semimembranosus

71
Q

What motion is performed by the hamstring group?

A

Hip extension and knee flexion

72
Q

What is the most lateral of the hamstring group that originates from the ischeal tuberosity and inserts in the head of the fibula and lateral tibia?

A

Biceps femoris

73
Q

What is the muscle of the hamstring group that is the deepest on the medial aspect of the thigh that originates on the ischeal tuberosity and inserts on the medial tibia?

A

Semimembranosus

74
Q

What two muscles make up the triceps surae?

A

Gastrocnemius and soleus

75
Q

What is the large superficial muscle of the triceps surae that originates on the medial and lateral condyles of the femur?

A

Gastrocnemius

76
Q

What is the deep muscle of the triceps surae that originates from the tibia, fibula, and interosseous membrane?

A

Soleus

77
Q

The muscles of the triceps surae insert via which tendon into what bone?

A

Achilles tendon into the calcaneous

78
Q

What is the major motion produced by the triceps surae?

A

Plantarflexion

79
Q

What is the muscle on the anter surface of the lower leg that is the prine mover for ankle dorsiflexion?

A

Tibialis anterior

80
Q

What are the two muscles that produce eversion of the ankle?

A

Fibularis longus and fibularis brevis

From Flashcardlet (133 decks)

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