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BIOL 235 Anatomy and Physiology > Chapter 11: Characteristics used in naming skeletal muscles > Flashcards

Chapter 11: Characteristics used in naming skeletal muscles Flashcards

1
Q

What 7 characteristics are used in naming skeletal muscles?

A

1) direction/orientation of muscle fasicles relative to body’s midline
2) size
3) shape
4) action
5) number of (tendons) of origin
6) location
7) origin and insertion

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2
Q

The _____ is parallel to the midline

A

rectus

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3
Q

the _____ is perpendicular to the midline

A

transverse

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4
Q

the ____ is diagonal to the midline

A

oblique

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5
Q

largest

A

maximus

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6
Q

longus

A

long

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7
Q

maximus

A

largest

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8
Q

latissimus

A

widest

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9
Q

magnus

A

large

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10
Q

major

A

larger

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11
Q

minor

A

smaller

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12
Q

minimus

A

smallest

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13
Q

brevis

A

short

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14
Q

longissimus

A

longest

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15
Q

vastus

A

huge

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16
Q

rectus

A

parallel to midline

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17
Q

transverse

A

perpendicular to midline

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18
Q

oblique

A

diagonal to midline

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19
Q

deltoid

A

triangular

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20
Q

trapezius

A

trapezoid

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21
Q

serratus

A

saw-toothed

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22
Q

rhomboid

A

diamond

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23
Q

orbicularis

A

circular

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24
Q

pectinate

A

comblike

25
Q

piriformis

A

pear

26
Q

platys

A

flat

27
Q

quadratus

A

square, 4-sided

28
Q

gracilis

A

slender

29
Q

flexor

A

decreases joint angle

30
Q

extensor

A

increases joint angle

31
Q

abductor

A

moves bone away from midline

32
Q

levator

A

raises/elevates body part

33
Q

adductor

A

moves bone closer to midline

34
Q

depressor

A

lowers/depresses body part

35
Q

supinator

A

turns palm anteriorly

36
Q

pronator

A

turns palm posteriorly

37
Q

sphincter

A

decreases size of an opening

38
Q

tensor

A

makes body part rigid

39
Q

rotator

A

rotates bone around longitudinal axis

40
Q

biceps

A

2 origins

41
Q

triceps

A

3 origins

42
Q

quadriceps

A

4 origins

43
Q

The serratus anterior muscle has what muscle shape?

A

serratus; saw-tootehd

44
Q

the orbicularis oculi muscle has what shape?

A

circular

45
Q

the platysma muscle has what shape?

A

flat

46
Q

the quadratus femoris muscle has what shape?

A

square

47
Q

The flexor carpi radialis muscle performs what action?

A

decreases joint angle

48
Q

The abductor pollicis longus muscle performs what sort of action?

A

moves bone away from midline

49
Q

the adductor longus muscle performs which sort of action?

A

moves bone toward midline

50
Q

The levator scapulae:

a) decreases a joint angle
b) moves bone closer to midline
c) decreases the size of an opening
d) raises or elevates a body part
e) rotates a bone along the longitudinal axis

A

d

51
Q

The tensor fasciae latae muscle:

a) turns palm posteriorly
b) is a slender muscle
c) makes a body part rigid
d) raises or elevates a body part
e) is a triangular muscle

A

c

52
Q

The pronator teres muscle performs what action?

A

it turns the palm posteriorly

53
Q

The gluteus maximus muscle is the ____ muscle whereas the gluteus minimus muscle is the ___ muscle

A

largest

smallest

54
Q

the adductor longus muscle is a ___ muscle whereas the adductor brevis muscle is a _____ muscle

A

long

short

55
Q

the latissimus dorsi muscle is the ____ muscle, whereas the longissimus capitis muscle is the ____ muscle

A

widest

longest

56
Q

the adductor magnus muscle is a ____ muscle

A

large

57
Q

the pectoralis major muscle is ____ than the pectoralis minor musle

A

larger

58
Q

the vastus lateralis muscle is:

a) longest
b) widest
c) huge
c) large

A

c

BIOL 235 Anatomy and Physiology (4 decks)

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