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bones > Muscles > Flashcards

Muscles Flashcards

1
Q

Muscles of facial expression

A

provide ability to express empotions

move skin instead of joint

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2
Q

Extrinsic eye muscle

A

originate outside the eyeballs

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3
Q

muscles that move mandible

A

temporalis
masseter
medial pterygoid
lateral pterygoind

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4
Q

masseter

A 
angle of ramus of mandible
elevates mandible (closing mouth)
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5
Q

temporalis

A

coronoid process and ramus of mandible

elevates and retracts

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6
Q

medial pterygoid

A

angle and ramus of mandible

elevates and protracts and moves mandible from side to side

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7
Q

lateral pterygoid

A

condyle of mandible TMJ joint

protracts, depresses and moves from side to side

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8
Q

muscles that move tongue

A

intrinsic

extrinsic

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9
Q

Intrinsic tongue muscle

A

alter shape of the tongue rather

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10
Q

extrinsic

A

moves entire tongue in various directions

anteriorly, posteriorly, and laterally

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11
Q

Anterior neck muscles

swallowing/ speech

A

suprahyoid

infrahyoid

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12
Q

Suprahyoid

A

superior to the hyoid bone

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13
Q

infrahyoid

A

inferior to the hyoid bone

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14
Q

Muscles of neck that move head

A

sternocleidomastoid
semispinalis capitis
splenius capitis
longissimus capitis

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15
Q

Sternocleidomastoid

A

mastoid process of temporal bon
flex cervical portion of vertebral column
flex head at atlanto occipital
laterally rotate and flex head to opposite side of contracting muscle

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16
Q

semispinalis capitis

A

occipital bone
extend head
rotate head to side opposite contracting muscle

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17
Q

splenius capitis

A

occipital bone and mastoid process of temporal bone
extend head
rotate head to side opposite contracting muscle

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18
Q

longissimus capitis

A

mastoid process of temporal bone
entend head
laterally flex and rotate head to same side as contracting muscle

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19
Q

Abdominal muscles

A

external oblique
internal oblique
transversus abdominis
rectus abdominis

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20
Q

External/ Internal oblique

A 
Iliac crest
compress abdomen and flex vertebral column
laterally flex vertebral column
lumbar portion
Internal 
cartilage of ribs 7-10
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21
Q

transversus abdominis

A

xiphoid process and pubis

compresses abdomen

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22
Q

rectus abdominis

A

cartilage 5-7
flexes vertebral column
lumbar portion
forced exhalation

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23
Q

Muscles of inspiration

A 
diaphragm
external intercostals
sternoidcleidomastoid
scalenes
pectoralis minor
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24
Q

diaphragm

A

central tendon
contraction of the diaphragm causes it to flatten and increse thoracic cavity resulting in inhalation
relaxation causes it to move superiorly and decreses vertical dimension of thoracic cavity resulting in exhalation

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25
Q

external intercostals

A

superior border of rib
contraction elevates the ribs and increases anteroposterior dimension of the thoracic cavity (inhalation)
relaxation depresses the ribs exhalation

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26
Q

Muscles of expiration

A

internal intercostals

abdominals

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27
Q

internal intercostals

A

inferior border of rib
contraction draws adjacent ribs together to futher decrease the anteroposterior and lateral dimensions of the thoracic cavity during forced exhalation

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28
Q

Anterior Muscles of thorax that move pectoral girdle

A

subclavius
pectoralis minor
serratus anterior

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29
Q

Posterior group

A

trapezius
lavator scapulae
rhomboid major/minor

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30
Q

Subclavius

A

clavicle

depresses and moves clavicle anteriorly and helps stabalize pectoral girdle

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31
Q

pectoralis minor

A

coracoid process of scapula

abducts scapula and rotates it downward

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32
Q

serratus anterior

A

vertebral border and inferior angle of scapula

abducts scapula and rotates it upward

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33
Q

Trapezius

A

clavicle and acromion and spine of scapula
superior fibers upward rotates scapula
adduct scapula
depress

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34
Q

lavator scapulae

A

superior vertebral border of scapula

elevates scapula and rotates it downward

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35
Q

rhomboid

A

Major-vertebral border of scapula inferior to spine
elevates and adducts scapula and rotates it downward
minor-vertebral border of scapula superior to spine
elevates and adducts scapula and rotates it downward

36
Q

Axial muscles of thorax and should that move humerus

A

pectoralis major

latissimus dorsi

37
Q

Pectoralis major

A

adducts and medially rotates arm at should joint

38
Q

latissimus dorsi

A

greater tubercle and lateral lip of the intertubercular sulcus of humerus
extends,abducts, and medially rotates arm at shoulder joint
draws arm inferiorly and posteriorly

39
Q

muscles of thorax and should that move humerus

Scapular

A

deltoid
teres major
coracobrachialis

40
Q

deltoid

A

deltoid tuberosity of humerus
abducts arm
flex and medially rotate arm
extend and laterally rotate arm

41
Q

teres major

A

medial lip of inter tubercular sulcus of humerus
extends arm
adduction and medial rotation

42
Q

coracobrachialis

A

middle of medial surface of shaft of humerus

flexes and adducts arm at shoulder joint

43
Q

Rotator cuff (SITS)

A

supraspinatus
infraspinatus
teres minor
subscapularis

44
Q

supraspinatus

A

greater tubercle of humerus

assists deltoid muscle in abducting arm

45
Q

infraspinatus

A

greater tubercle

laterally rotates arm

46
Q

teres minor

A

greater tubercle

laterally rotates and extends arm

47
Q

subscapularis

A

lesser tubercle

medially rotates arm

48
Q

muscles of the arm that move the radius and ulna

flexors

A

biceps brachii
brachialis
brachioradialis

49
Q

biceps brachii

A

radial tuberosity of radius and bicipital
flexes forearm at elbow joint
supinates forearm at radioulnar
and flexes arm at shoulder

50
Q

brachialis

A

ulnar tuberosity and coronoid process of ulna

flexes forearm at elbow

51
Q

brachioradialis

A

superior to styloid process of radius
felexes forearm at elbow joint
supinates and pronates forearm at radioulnar joint

52
Q

muscles of the arm that move the radius and ulna

Extensors

A

triceps brachii

anconeus

53
Q

triceps brachii

A

olecranon of ulna

extends forearm at elbow joint and shoulder joint

54
Q

anconeus

A

olecranon and superior portion of shaft of ulna

extends forearm at elbow joint

55
Q

muscles of the arm that move the radius and ulna

pronator

A

pronator teres

pronantor quadratus

56
Q

pronator teres

A

midlateral surface of radius

pronates forearm at radioulnar and flexes forearm at elbow joint

57
Q

pronantor quadratus

A

distal portion of shaft of radius

pronates forearm at radioulnar joint

58
Q

muscles of the arm that move the radius and ulna

supinator

A

lateral surface of proximal one third of radius

supinates forearm at radioulnar joint

59
Q

Muscles of forearm

flexors

A 
superficial flexors  
writst
originate on medial epicondyle 
deep flexors-
originate on radius and ulna fingers
60
Q

Extensors

A

superficial originate on lateral epicondyle

deep originate on radius or ulna

61
Q

intrinsic muscles of the hand

A 
thenar group (move thumb)
intermediate group flex ab/ad fingers
hypothenar move 5th digit
62
Q

Muscles of neck and back that move spine

A 
splenius
erector spinate muscles
transversospinales
segmental
scalenes
63
Q

muscles of pelvis that move femus

A 
Iliopsoas
gluteals
tensor fasciae latae
piriformis
deep lateral rotators
64
Q

Muscles of thigh

Adductors medial

A

Adductors longus, brevis, ,magnus
Pectinus
Gracilus

65
Q

Muscles of thigh

Pectinus

A

line of femur between lesser trochanter and linea aspera

flexes and adducts thigh at hip joint

66
Q

Muscles of thigh

Gracilus

A

medial surface of body of tibia
adducts thigh at hip joint
medially rotates thigh and flexes leg at knee joint

67
Q

Muscles of thigh

Extendors Anterior

A 
Quadriceps
rectus femoris-flexes thigh at hip joint
vastus lateralis
vastus intermediate
vastus medialis
extend leg at knee
68
Q

Muscles of thigh

Flexors Posterior

A

Hamstrings
Biceps femoris
semitendonosus
semimembranosus

69
Q

Muscles of thigh

Biceps femoris

A

head of fibula and later condyle of tibia

flexes leg at knee and extends thigh at hip

70
Q

Muscles of thigh

semitendonosus

A

proximal part of medial surface of shaft of tibia

flexes leg at knee and extends thigh at hip

71
Q

Muscles of thigh

semimembranosus

A

medial condyle of tibia

flexes leg at knee and extends thigh at hip

72
Q

Muscles of leg that move foot/ankle

Anterior compartment

A

Tibialis anterior
extensor hallucis longus
extensor digitorum longus
fibularis (peroneus) tertitus

73
Q

Muscles of leg that move foot/ankle
Anterior compartment
Tibialis anterior

A

1st metatarsal

dorsifelxion foot at ankle and inverts foot at interatarsals

74
Q

Muscles of leg that move foot/ankle
Anterior compartment
extensor hallucis longus

A

distal phalanx of great toe

dorsiflexes foot at ankle and extends proximal phalanx of great toe at metatarsophalangeal

75
Q

Muscles of leg that move foot/ankle
Anterior compartment
extensor digitorum longus

A

middle and distal phalanges of toes 2-5
dorsiflexes foot at ankle and extends distal and middle phalanges of each toe at interphalangeal and proximal phalanx of each toe at metatarsophalangeal

76
Q

Muscles of leg that move foot/ankle
Anterior compartment
fibularis (peroneus) tertitus

A

base of 5th metatarsal

dorsiflexes foot at ankle and everts (pronates) foot at intertarsal joint

77
Q

Muscles of leg that move foot/ankle

lateral compartment

A

fibularis (peroneus) longus

fibularis (peroneus) brevis

78
Q

Muscles of leg that move foot/ankle
lateral compartment
fibularis (peroneus) longus

A

1st metatarsal and 1st cuneiform

plantar flexes foot at ankle joint and everts foot at intertarsal joint

79
Q

Muscles of leg that move foot/ankle
lateral compartment
fibularis (peroneus) brevis

A

base of 5th metatarsal

plantar flexes foot at ankle and everts (pronates) foot at intertarsal

80
Q

Muscles of leg that move foot/ankle

posterior compartment

A

superficial:
gastrocnemius
soleus
Deep

81
Q

Muscles of leg that move foot/ankle
posterior compartment
gastrocnemius

A

calcaneus by way of calcaneal tendon

plantar flexes foot at ankle and flexes leg at knee

82
Q

Muscles of leg that move foot/ankle
posterior compartment
soleus

A

calcaneus by way of calcaneal (achilles) tendon

plantar flexes foot at ankle joint

83
Q

Muscles of leg that move foot/ankle
posterior compartment
Deep

A

popilteus
tibialis posterior
flexor digitorum longus
flexor hallucis longus

84
Q

Intrinsic muscles of foot

A

Dorsal group- extends toes

Plantar group- 4 layers does all other movements of toes

85
Q

know the following

A

pollicis= 1st digit of hand (thumb)
digiti minimi= 5th digit of hand or foot
Hallucis= 1st digit of foot (big toe)

bones (3 decks)

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