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Exercise 15: Gross Anatomy of the Muscular System

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created 2 years ago by jncanf
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pg. 227 - pg. 234

updated 2 years ago by jncanf

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1

gluteus maximus

location of muscle relative to a bone or body region; relative size of muscle

2

adductor magnus

action of the muscle; relative size of muscle

3

biceps femoris

number of origins; location of muscle relative to a bone or body region

4

transversus abdominis

location of muscle relative to a bone or body region; direction in which the muscle fibers run relative to some imaginary line

5

extensor carpi ulnaris

action of muscle; location of the origin and or insertion of the muscle; location of muscle relative to bone or body region

6

trapezius

shape of muscle

7

rectus femoris

location of the muscle relative to a bone or body region; direction in which the muscle fibers run relative to some imaginary line

8

external oblique

location of the muscle reltive to a bone or body region; direction in which the muscle fibers run relative to some imaginary line

9

prime mover (agonist)

term for the biceps brachii during elbow flexion

10

synergist

term that describes relation of brachialis to biceps brachii during elbow flexion

11

antagonist

term for the triceps brachii during elbow flexion

12

antagonist

term for iliopsoas during hip extension

13

prime mover (agonist)

term for the gluteus maximus during hip extension when walking up the stairs

14

fixator

terms for the rotator cuff muscles and deltoid when the elbow is flexed and the hand grabs a tabletop to lift the table

15
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START FROM LEFT SIDE AND GO DOWN, THEN START ON THE UPPER RIGHT SIDE AND GO DOWN.

B. CORRUGATOR SUPERCILII
J. ORBICULARIS OCULI
G. LEVATOR LABII SUPERIORIS
N. ZYGOMATICUS MAJOR AND MINOR
A. BUCCINATOR
K. ORBICULARIS ORIS
I. MENTALIS
D. DEPRESSOR LABII INFERIORIS
C. DEPRESSOR ANGULI ORIS
L. PLATYSMA

RIGHT:
E. EPICRANIUS (FRONTAL BELLY)
F. EPICRANIUS (OCCIPITAL BELLY)
H. MASSETER
M. TRAPEZIUS

16

zygomaticus

used in smiling

17

buccinator

used to suck in your cheeks

18

Orbicularis Oculi

Used in blinking and squinting (closes eye)

19

Depressor Anguli Oris Muscle and Mentalis Muscle

used to pout (pulls the corners of the mouth downward)

20

epicranius (frontal belly)

raises your eyebrows for a questioning expression

21

corrugator supercilii

used to form the vertical frown crease on your forehead

22

orbicularis oris

your "kisser"

23

masseter

prime mover to raise the mandible

24

platysma

tenses skin of the neck during shaving

25
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FROM TOP TO BOTTOM:

M. SUBSCAPULARIS
C. DELTOID (CUT)
I. PECTORALIS MINOR
L. SERRATUS ANTERIOR
A. BICEPS BRACHII
E. EXTERNAL OBLIQUE
B. BRACHIALIS

26

rectus abdominus

a major spine flexor

27

latissimus dorsi

prime mover for arm extension

28

pectoralis major

prime mover for arm flexion

29

external oblique, internal oblique, transverse abdominus, rectus abdominus

assume major responsibility for forming the abdominal girdle

30

deltoid

prime mover of shoulder abduction

31

latissimus dorsi, pectoralis major

important in shoulder adduction; antagonists of the shoulder abductor

32

serratus anterior

moves the scapula forward and rotates scapula upwards

33

external intercostals

small, inspiratory muscles between the ribs; elevate the ribs

34

trapezius

extends the head

35

rhomboids

pull the scapula medially

36
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FROM LEFT TOP TO BOTTOM, THEN RIGHT TOP TO BOTTOM:

LEFT:

A. BICEPS BRACHII
L. PRONATOR TERES
C. BRACHIORADIALIS
D. EXTENSOR CARPI RADIALIS LONGUS
I. FLEXOR POLLICIS LONGUS
K. PRONATOR QUADRATUS

RIGHT:

N. TRICEPS BRACHII
B. BRACHIALIS
F. FLEXOR CARPI RADIALIS
J. PALMARIS LONGUS
G. FLEXOR CARPI ULNARIS
H. FLEXOR DIGITORUM SUPERFICIALIS

37

biceps brachii

flexes the forearm and supinates the hand

38

supinator

synerhist for supination of hand

39

brachialis; brachioradialis

forearm flexors; no role in supination

40

triceps brachii

elbow extensor

41

flexor carpi radialis

power wrist flexor and abductor

42

flexor digitorum superficialis

flexes wrist and middle phalanges

43

pronator quadratus, pronator teres

pronates the hand

44

flexor pollicis longus

flexes the thumb

45

extensor carpi radialis longus

extends and abducts the wrist

46

extensor digitorum

extends the wrist and digits

47

palmaris longus

flat muscle that is a weak wrist flexor; tenses skin of the palm

48
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LEFT FROM TOP TO BOTTOM:

B. BICEPS FEMORIS
G. GASTROCNEMIUS
E. FIBULARIS LONGUS
M. SOLEUS
D. FIBULARIS BREVIS
F. FLEXOR HALLUCIS LONGUS

RIGHT FROM TOP TO BOTTOM:

J. RECTUS FEMORIS
C. EXTENSOR DIGITORUM LONGUS
O. TIBIALIS ANTERIOR

49

flexor hallucis longus

flexes the great toe and inverts the foot

50

fibularis brevis, fibularis longus

lateral compartment muscles that plantar flex and evert the foot

51

gluteus medius, tensor fasciae latae

abduct the thigh to take the "at ease" stance

52

gluteus maximus

used to extend the hip when climbing stairs

53

gastrocnemius, soleus

prime movers of plantar flexion of the foot

54

tibialis posterior

prime mover of inversion of the foot

55

tibialis anterior

prime mover of dorsiflexion of the foot

56

adductor group

adduct the thigh, as when standing at attention

57

extensor digitorum longus

extends the toes

58

biceps femoris, semimembranosus, semitendinosus

entend thigh and flex knee

59

rectus femoris

extends knee and flexes thigh

60
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11

A. TEMPORALIS
B. MASSETER
C. PLATYSMA
D. TRAPEZIUS
E. DELTOID

U. FRONTALIS
V. ORBICULARIS OCULI
W. ZYGOMATICUS MAJOR
Y. STERNOTHYROID
Z. STERNOCLEIDO-MASTOID

61
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11

AA - PECTORALIS MAJOR
BB - SERRATUS ANTERIOR
CC - LATISSIMUS DORSI
DD - RECTUS ABDOMINIS
EE - EXTERNAL ABDOMINAL OBLIQUE
FF - INTERNAL ABDOMINAL OBLIQUE
GG - TARASVERSUS ABDOMINIS

F - BRACHOALIS
G - BICEPS BRACHII
H - PRONATOR TERES
I - BRACHIORADIALIS
J - FLEXOR CARPI RADIALIS
K - PALMARIS LONGUS
L - FLEXOR CARPI ULNARIS

62
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11

M - ILIOPSAS
N - PECTINEUS
O - RECTUS FEMORIS
P - VASTUS LATERALIS
Q - VASTUS MEDIALIS

HH- TENSOR FASCIAE LATAE
II - SARTORIUS
JJ - ADDUCTOR LONGUS
KK - GRACILIS

63
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11

R - PERONEUS LONGUS
S - EXTENSOR DIGITORUM LONGUS
T - TABIALIS ANTERIOR

LL - GASTROCNEMIUS
MM - SOLEUS

64
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12

J - OCCIPITALIS
K - STERNOCLOIDOMASTOID
L - TRAPEZIUS
M - DELTOID

65
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12

A. TRICEPS BRACHII
B. BRACHIALIS
C. BRACHIORADIALIS
D. EXTENSOR CARPI RADIALIS LONGUS
E. FLEXOR CARPI ULNARIS
F. EXTENSOR CARPI ULNARIS
G. EXTENSOR DIGITORUM

N - TERES MINOR
O - TERES MAJOR
P - LATISSIMUS DORSI
Q- EXTERNAL ABDOMINAL OBLIQUE
R - GLUTEUS MEDIUS

66
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12

H - ILIOTIBIAL TRACT
I - GASTROCNEMIUS

S- GLUTEUS MAXIMUS
T - ADDUCTOR MAGNUS
U - BICEPS FEMORIS
V - GRACILIS
W - SEMITENDINOSUS
X - SEMIMEMBRANOSUS

67

What are the 4 muscles commonly used for intramuscular injections?

Deltoid, Vastus Lateralis, Gluteus Medius, Gluteus Maximus

68

Quadriceps

The insertion tendon of the ____ group contains a large sesamoid bone, the patella.

69

calcanal

The triceps surae insert in common into the ____ tendon.

70

mediala proximal

The bulk of the tissue of a muscle tends to lie ______ to the part of the body it causes to move.

71

forearm

The extrinsic muscles of the hand originate on the ______

72

anterior

Most flexor muscles are located on the _____ aspect of the body;

73

posteria

most extensors are located ______

74

knee

An exception to this generalization is the extensor-flexor musculature of the ____