Lab Exam 2

Question 1

Origin of Spinotrapezius

Answer 1

Neural process

Question 2

Origin of clavobranchialis

Answer 2

clavicle and raphe

Question 3

Insertion of clavobrachialis

Answer 3

ulna

Question 4

action of clavobranchialis

Answer 4

flexes antebracnium

Question 5

origin of sternomastoid

Answer 5

manubrium of sternum

Question 6

insertion of sternomastoid

Answer 6

nuchal crest of skull and mastoid process of temporal

Question 7

action of sternomastoid

Answer 7

flexes neck laterally; elevates head

Question 8

origin of spinodeltoid

Answer 8

spine and scapula

Question 9

insertion of spinodeltoid

Answer 9

deltoid ridge of humerus

Question 10

origin on acromiodeltioid

Answer 10

acromion of scapula

Question 11

insertion of acromiodeltoid

Answer 11

spinodeltoid muscle

Question 12

action of acromiodeltoid

Answer 12

flexes and rotates humerus

Question 13

action of levator scapulae ventralis

Answer 13

draws scapula anteriorly

Question 14

action of triceps brachii

Answer 14

extend antebrachium

Question 15

origin of pectoantebrachialis

Answer 15

manubrium of sternum

Question 16

insertion of pectoantebrachialis

Answer 16

fascia of antebrachium

Question 17

action of pectoantebrachialis

Answer 17

adducts humerus

Question 18

origin of of pectoralis major

Answer 18

sternebrae

Question 19

insertion of pectoralis major

Answer 19

pectoral rige of humerus

Question 20

action of pectoralis major

Answer 20

adducts humerus

Question 21

origin of pectoralis minor

Answer 21

sternum

Question 22

insertion of pectoralis minor

Answer 22

pectoral ridge of humerus

Question 23

action of pectoralis minor

Answer 23

adducts humerus

Question 24

origin of xiphihumeralis

Answer 24

xiphoid process of sternum

Question 25

origin of supraspinatus

Answer 25

supraspinous fossa of scapula

Question 26

insertion of supraspinatus

Answer 26

greater tuberosity of humerus

Question 27

action of supraspinatus

Answer 27

extends humerus

Question 28

origin of infraspinatus

Answer 28

infraspinous fossa of scapula

Question 29

insertion of infraspinatus

Answer 29

greater tuberosity of humerus

Question 30

action of infraspinatus

Answer 30

rotates humerus laterally

Question 31

origin of rhomboideus

Answer 31

posterior cervican and anterior thoracic vertebrae

Question 32

insertion of rhomboideus

Answer 32

dorsal border of scapula

Question 33

action of rhomboideus

Answer 33

draws scapula toward vertebral column

Question 34

origin of subscapularis

Answer 34

subscapular fossa of scapula

Question 35

insertion of subscapularis

Answer 35

lesser tuberosity of humerus

Question 36

action of subscapularis

Answer 36

adducts humerus

Question 37

action of biceps brachii

Answer 37

flexes antebrachium

Question 38

action of biceps femoris

Answer 38

flexes crus, abducts thigh

Question 39

action of adductor longus

Answer 39

adducts and flexes thigh

Question 40

origin of rectus femoris

Answer 40

ilium

Question 41

insertion of rectus femoris

Answer 41

patella

Question 42

action of rectus femoris

Answer 42

extends crus

Question 43

action of gastrocnemius

Answer 43

extends pes, flexes crus

Question 44

origin of sternohyoid

Answer 44

1st costal cartilage and manubrium of sternum

Question 45

insertion of sternohyoid

Answer 45

basihyoid

Question 46

action of sternohyoid

Answer 46

draws hyoid posteriorly

Question 47

action of masseter

Answer 47

elevates mandible

Question 48

origin of temporalis

Answer 48

fascia temporal fossa of skull

Question 49

action of temporalis

Answer 49

elevates mandible