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Human Anatomy BIO244 > Muscles > Flashcards

Muscles Flashcards

1
Q

Frontalis

A

O- Occipital bone
I- Skin around eyes
A- elevates skin of the forehead
N- CN VII

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2
Q

Orbicularis Oris

A

O- Muscles near the mouth
I- Skin around lips
A- puckers lips
N- CN VII

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3
Q

Oribicularis Oculi

A

O- Maxilla and frontal bone
I- Skin around eyes
A- closing of eyes
N- CN VII

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4
Q

Buccinator

A

A- Compresses cheeks

N- CN VII

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5
Q

Zygomaticus

A

O- zygomatic bone
I- skin at corner of mouth
A- elevates sides of mouth, smile
N- CN VII

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6
Q

Masseter

A

O- zygomatic arch
I- ramus of mandible
A- elevates/protracts mandible
N- V3

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7
Q

Temporalis

A

O- temporal bone
I- coronoid process and ramus mandible
A- elevates/retracts mandible
N- V3

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8
Q

Medial and Lateral Pterygoids

A

A- elevates/depresses/side-to-side mandible

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9
Q

Sternocleidomastoid

A

O- sternum/clavicle
I- mastoid process
A- neck flexion/rotation, forceful inhalation
N- Accessory nerve, CN XI

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10
Q

Scalenes

A

A- lateral flexion of neck and head

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11
Q

Stylohyoid

A

temporal styloid process

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12
Q

Digastric

A

digastic fossa of mandible/mastoid notch

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13
Q

Mylohyoid

A

mylohyoid line of mandible

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14
Q

Sternohyoid

A

O- manubrium

I- inferior border of hyoid

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15
Q

Thyrohyoid

A

O- oblique thyroid cartilage

I- inferior border and greater horn of hyoid

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16
Q

Occipitalis

A

O- occipital bone
I- epicranial aponeurosis
A- moves scalp backwards
N- CN VII

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17
Q

Omohyoid

A

O- Sup. border of scapula

I- Inf. border of hyoid, lateral to sternohyoid

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18
Q

Trapezius

A

O- Sup. nuchal line, occipital protuberance, spine C7-T12
I- Clavicle, acromion, spine of scapula
A- rotates, elevates, adducts, depresses scapula
N- CN XI, 3, 4

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19
Q

Latissimus dorsi

A

O- T7-L5, sacrum, iliac crest, ribs 10-12
I- humerus
A- extends, abducts, medially rotates humerus
N- Thoracodorsal nerve

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20
Q

Rhomboid major

A

I- Medial border of scapula
A- adducts and elevates scapula
N- Dorsal scapular nerve

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21
Q

Rhomboid minor

A

I- Medial border of scapula spine
A- adducts and elevates scapula
N- Dorsal scapular nerve

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22
Q

Levator scapulae

A

I- upper medial border of scapula
A- elevates scapula
N- Dorsal scapular nerve

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23
Q

Serratus posterior superior

A

upper back, spine C7-T3 to scapular ribs
A- elevates ribs 2-5
N- Ant. rami of spinal nerves

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24
Q

Serratus posterior inferior

A

lower back, spine T11-L3, deep to latissimus
A- depresses ribs 9-12
N- Ant. rami of spinal nerves

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25
Q

Splenius

A

back of neck, skull to vertebrae

A- pull/rotate head

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26
Q

Semispinalis

A

back of neck, skull to vertebrae, under splenius

A- pull/rotate head

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27
Q

Spinalis

A

most medial erector spinae
A- extension of head, cervical and thorax
N- lateral post. rami of spinal nerves

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28
Q

Longissimus

A

intermediate erector spinae
A- extension of head, neck and spine, lateral flexion
N- lateral post. rami of spinal nerves

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29
Q

Iliocostalis

A

most lateral erector spinae
A- extension and lateral flexion of spine
N- lateral post. rami of spinal nerves

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30
Q

Deltoid

A

O- acromion, clavicle, lower spine
I- deltoid tuberosity of humerus
A- abducts, lateral/medial rotation of humerus
N- Axillary

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31
Q

Supraspinatus

A

O- supraspinatous fossa
I- greater tubercle of humerus
A- abducts arm
N- suprascapular

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32
Q

Infraspinatus

A

O- infraspinatous fossa
I- greater tubercle of humerus
A- laterally rotates arm
N- suprascapular

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33
Q

Teres Major

A

O- Inf. angle of scapula
I- Medial lip of intertubercular sulcus
A- medial rotation of arm
N- Lower scapular nerve

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34
Q

Subscapularis

A

O- subscapular fossa
I- leser tubercle
A- medial rotation of arm
N- upper/lower scapular nerves

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35
Q

Pectoralis Major

A

O- Clavicle, sternum, costal cartilage
I- crest of greater tubercle fo humerus
A- flexes,adducts, medially rotates arm
N- medial/lateral pectoral nerve

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36
Q

Pectoralis Minor

A

O- ribs 3-5
I- coracoid process
A- forward, medial, downward scapula
N- medial pectoral

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37
Q

Subclavius

A

between clavicle and rib 1

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38
Q

Serratus anterior

A

1-8 Ribs under pecs

N- Long thoracic nerve

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39
Q

External oblique

A

lower 8 ribs, along sides

A- flexes and laterally bends trunk

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40
Q

Internal oblique

A

lower 8 ribs, under externals

A- flexes and laterally bends trunk

41
Q

Transversus abdominus

A

muscle that goes across abdomen

A- compresses abdomen

42
Q

Rectus abdominus

A

muscle that goes down abdomen

A- flexes trunk

43
Q

Biceps Brachii

A

O- L head (supraglenoid tubercle) S head (coracoid process)
I- radial tuberosity
A- flexion, forearm supination
N- Musculocutaneous nerve

44
Q

Brachialis

A

O- distal ant. humerus
I- ulnar tuberosity
A- flexion of forearm
N- Musculocutaneous/radial nerve

45
Q

Coracobrachialis

A

O- coracoid process
I- midshaft of humerus
A- flextion of arm
N- Musculocutaneous nerve

46
Q

Palmaris Longus

A

O- medial epicondyle of humerus
I- palmar aponeurosis
A- flexion of wrist
N- Median nerve

47
Q

Flexor Carpi Radialis

A

O- medial epicondyle of humerus
I- 2-3 metacarpal bases
A- flexes wrist, abducts hand
N- Median nerve

48
Q

Pronator Teres

A

O- Medial coronoid process of ulna
I- lateral side of radius, medial
A- pronates forearm
N- Median nerve

49
Q

Flexor Digitorum Profundus

A

I- base of ends of distal phalanx 2-5
A- flexes phalangeal joint
N- median/ulnlar nerve

50
Q

Flexor Pollicis Longus

A

I- base of distal thumb
A- flexes thumb
N- median nerve

51
Q

Pronator Quadratus

A

I- ant. distal radius
A- pronates forearm
N- median nerve

52
Q

Brachioradialis

A

O- supracondylar ridge of humerus
I- lateral base, styloid process of radius
A- flexes elbow, pronate/supinate
N- radial nerve

53
Q

Extensor Carpi Radialis Longus

A

O- supracondylar ridge of humerus
I- dorsum of second metacarpal
A- extends wrist, abducts hand
N- deep radial nerve

54
Q

Extensor Carpi Radialis Brevis

A

O- supracondylar ridge of humerus
I- dorsum of third metacarpal
A- extends wrist, abducts hand
N- radial nerve

55
Q

Extensor Digitorum

A

O- common extensor tendon
I- extensor expansion of digits 2-5
A- extends hand and digits 2-5
N- deep radial nerve

56
Q

Extensor Digiti Minimi

A

O- common extensor tendon
I- joins extensor digitorum to 5th digit
A- extends 5th digit
N- deep radial nerve

57
Q

Extensor Carpi Ulnaris

A

O- common extensor tendon/ulna
I- medial base of 5th metacarpal
A- extends wrist, adducts hand
N- deep radial nerve

58
Q

Supinator

A

I- lateral side of proximal radius
A- supinates forearm
N- deep radial nerve

59
Q

Abductor Pollicis Longus

A

I- radial base of first metacarpal
A- abducts thumb
N- deep radial nerve

60
Q

Extensor Pollicis Brevis

A

I- base of proximal thumb
A- extends thumb
N- deep radial nerve

61
Q

Extensor Pollicis Longus

A

I- base of distal thumb
A- extends thumb
N- deep radial nerve

62
Q

Extensor Indicis

A

O- distal ulna
I- extensor digitorum 2nd digit
A- extends index
N- deep radial nerve

63
Q

Gluteus Maximus

A

superficial lower gluteal
A- extension, external rotation, abduction of leg
N- inf. gluteal

64
Q

Gluteus Medius

A

intermediate upper gluteal
A- abducts and internally rotates leg
N- sup. gluteal

65
Q

Gluteus Minimus

A

deep upper gluteal
A- abducts and internally rotates leg
N- sup. gluteal

66
Q

Piriformis

A

sacrum to top of femur
A- abductor and external rotator
N- nerve to piriformis

67
Q

Obturator Internus

A

obturator foramen to top of femur
A- abductor and external rotator
N- nerve to obturator internus

68
Q

Superior Gemellus

A

small, bottom of hip to femur
A- abductor and external rotator
N- nerve to obturator internus

69
Q

Inferior Gemellus

A

small, bottom of hip to femur
A- abductor and external rotator
N- nerve to quadratus femoris

70
Q

Quadratus Femoris

A

bottom of hip to femur
A- external femoral rotation
N- nerve to quadratus femoris

71
Q

Iliopsoas

A

lumbar vertebrae to femur

72
Q

Iliacus

A

ilia to femur

73
Q

Psoas Major

A

lumber vertebrae to femur

A- flexes thigh, bends lumbar vertebrae

74
Q

Tensor Fasciae Latae

A

sides of hips, lateral femur and hip
A- flexes, abducts, medially rotates thigh
N- superior gluteal nerve

75
Q

Rectus Femoris

A

I- patella and tibial tuberosity
A- hip flexion, knee extension
N- femoral nerve

76
Q

Vastus Medialis

A

I- patella and medial reticulum
A- knee extension
N- femoral nerve

77
Q

Vastus Lateralis

A

I- patella and medial reticulum
A- knee extension
N- femoral nerve

78
Q

Vastus Intermedius

A

I- patella
A- knee extension
N- femoral nerve

79
Q

Sartorius

A

I- medial surface of tibia
A- hip flexion and rotation, knee flexion
N- femoral nerve

80
Q

Biceps Femoris

A

I- fibula and tibia
A- knee flexion, hip extension
N- sciatic nerve

81
Q

Semimembranosus

A

I- tibia
A- knee flexion, hip extension
N- sciatic nerve

82
Q

Adductor Magnus

A

front hip to back femur
A- adducts, medial rotation
N- obturator nerve

83
Q

Adductor Longus

A

front hip to back femur
A- adducts, medial rotation
N- obturator nerve

84
Q

Adductor Brevis

A

front hip to back femur
A- adducts, medial rotation
N- obturator nerve

85
Q

Pectineus

A

pubis to under head of femur
A- adducts, medial rotation
N- femoral nerve

86
Q

Gracilis

A

most medial portion of thigh
A- adducts, medial rotation
N- obturator nerve

87
Q

Tibialis Anterior

A

most anterior foreleg
A- dorsiflexion
N- deep fibular nerve

88
Q

Extensor Digitorum Longus

A

top of tibia to toes 2-5
A- extension of 2-5 toes
N- deep fibular nerve

89
Q

Extensor Hallucis Longus

A

top of tibia to big toe
A- extension of big toe
N- deep fibular nerve

90
Q

Fibularis Longus

A

top of fibula to lateral foot
A- plantar flection and eversion
N- superficial fibular nerve

91
Q

Fibularis Brevis

A

fibula to lateral foot
A- plantar flection and eversion
N- superficial fibular nerve

92
Q

Gastrocnemius

A

I- calcaneal
A- flexes leg and foot
N- tibial nerve

93
Q

Soleus

A

I- calcaneal
A- flexes foot
N- tibial nerve

94
Q

Plantaris

A

I- calcaneal
A- flexes leg and foot
N- tibial nerve

95
Q

Popliteus

A

femur to tibia at joint
A- flexes, rotates leg
N- tibial nerve

96
Q

Tibialis Posterior

A

back of leg to back of lower leg
A- flexes foot, inverts foot
N- tibial nerve

97
Q

Flexor Hallucis Longus

A

I- base of distal big toe
A- flexes big toe and foot
N- tibial nerve

98
Q

Extensor Digitorum Brevis

A

I- extensor expainsion toes 2-5
A- extends 2-5 toes
N- deep fibular nerve

Human Anatomy BIO244 (32 decks)

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