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Anatomy and Physiology > Muscles, Joints > Flashcards

Muscles, Joints Flashcards

1
Q

Joint angle decreases, except for knee and foot

A

Flexion

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2
Q

Joint angle increases, except for knee and foot

A

Extension

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3
Q

Toes up

A

dorsiflexion

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4
Q

toes down

A

plantar flexion

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5
Q

body part moves toward midline

A

adduction

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6
Q

body part moves away from midline

A

abduction

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7
Q

body part moves around own axis

A

rotation

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8
Q

body moves so that cone shape is outlined

A

circumduction

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9
Q

palms face forward

A

supination

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10
Q

palms face posterior

A

pronation

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11
Q

sole of foot moves inward

A

inversion

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12
Q

sole of foot moves outward

A

eversion

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13
Q

raises eyebrows

A

frontalis

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14
Q

closes eye

A

orbicularis oculi

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15
Q

closes and protrudes lips

A

orbicularis oris

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16
Q

compresses cheeks inward (suckling)

A

buccinator

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17
Q

raises corners of mouth

A

zygomaticus

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18
Q

closes jaw

A

masseter and temporalis

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19
Q

flexes and rotates head

A

sternocleidomastoid

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20
Q

extends head, adducts scapula, also depresses scapula

A

trapezius

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21
Q

abducts arm to horizontal, assists biceps and triceps

A

deltoid

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22
Q

flexes and adducts arm, medial rotates the humerus

A

pectoralis major

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23
Q

flexes vertebral column

A

rectus abdominis

24
Q

tenses abdomen and rotates trunk laterally

A

external and internal obliques

25
Q

extends and adducts arm

A

latissumus dorsi

26
Q

flexes and supinates forearm

A

biceps brachii

27
Q

flexes forearm

A

brachialis

28
Q

extends forearm, stabilizes elbow joint

A

triceps brachii

29
Q

moves wrist and hand

A

flexor carpi and extensor carpi

30
Q

extends thigh

A

gluteus maximus

31
Q

abducts thigh

A

gluteus medius

32
Q

extends lower leg

A

quadriceps femoris

33
Q

flexes lower leg, rotates leg medially, extends thigh

A

hamstrings

34
Q

plantar flexion and eversion of foot

A

gastrocnemius

35
Q

dorsiflexion and inversion of foot

A

tibialis anterior

36
Q

important in breathing

A

diaphragm, internal and external intercostals

37
Q

death of motor neurons, which control skeletal muscle

A

ALS

38
Q

autoimmune disease which attacks the motor end plate, this means muscle can’t recieve the sisgnal from the motor neuron

A

myasthenia gravis

39
Q

Affects NM junction, either release of ACH or motor end plate

A

Botulism toxin

40
Q

Number of heads in bicep

A

two heads

41
Q

tricep head

A

three threads

42
Q

quadricep heads

A

four heads

43
Q

brevis

A

short

44
Q

longis

A

long

45
Q

maximus

A

large

46
Q

minimus

A

small

47
Q

biceps brachii

A

arm

48
Q

biceps femoris

A

femur

49
Q

joint eggs, freely movable

A

synovial joints

50
Q

articulating surface flat or curve

A

Plane / gliding joint

51
Q

articular surface of bone is saddle shaped

A

saddle joint

52
Q

like door hinge, flexion/extension

A

hinge joint

53
Q

rotates around axis, permits bone to turn from side to side

A

pivot

54
Q

ball like surface of one bone fits into cuplike depression, rotates

A

ball and socket

55
Q

convex oval shape projection of one bone fits in oval shaped depression of other bone

A

ellipsoid/condyloid

Anatomy and Physiology (21 decks)

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