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Anatomy:Muscles Flashcards

0
Q

Deltoid

A

A: abduct flex, extend
I: Humerus proximal end
O: clavicle/ scapula

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1
Q

Pectoralis Major

A

A: adduct, flex
I: Humerus proximal end
O: clavicle/sternum/ribs

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2
Q

Latissimus Dorsi

A

A: extend, adduct
I: Humerus proximal end
O: Vertebrae/ scarum/ ilium

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3
Q

Subscapularis (rotator cuff)

A

A: Medial Rotation
I: Humerus proximal end
O: Scapula (subscapular fossa)

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4
Q

Teres Major

A

A: Medial rotation, extend, adduct
I: Humerus proximal end
O: Scapula (Inferior angle)

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5
Q

Teres Minor (rotator cuff)

A

A: Lateral rotation, extend, adduct
I: Humerus proximal end
O: Scapula (Axillary border)

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6
Q

Infraspinatus (rotator cuff)

A

A: lateral rotation
I: Humerus proximal end
O: Scapula (infraspinous fossa)

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7
Q

Supraspinatus (rotator cuff)

A

A: abduct
I: Humerus proximal end
O: Scapula (supraspinous fossa)

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8
Q

Coracobrachialis

A

A: flex, adduct
I: humerus shaft
O: Scapula (coracoid process)

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9
Q

Biceps Brachii

A

A: flex
I: radius proximal end
O: Scapula (glenoid/ coracoid process)

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10
Q

Brachioradialis

A

A: Flex
I: Radius distal end
O: Humerus distal end

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11
Q

Pronator teres

A

A: pronate, medial rotation
I: radium shaft
O: humerus distal end

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12
Q

Brachialis

A

A: flex
I: Ulna proximal end
O: humerus shaft

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13
Q

Triceps brachii

A

A: extend
I: ulna proximal end
O: scapula/ humerus proximal end

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14
Q

Palmaris Longus

A

A: flex forearm and hand
I: palmar aponeurosis
O: humerus distal/ CFT

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15
Q

Flexor Carpi Ulnaris

A

A: flex and adduct hand
I: carpals/ metacarpals
O: humerus distal/ CFT

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16
Q

Flexor carpi radialis

A

A: flex and abduct hand
I: metacarpals
O: humerus distal/ CFT

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17
Q

Flexor Digitorum

A

A: flex forearm, hand, and digits
I: phalanges
O: humerus/ radius/ ulna

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18
Q

Extensor carpi ulnaris

A

A: extend and adduct hand
I: metacarpals
O: humerus distal/CET

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19
Q

Extensor carpi radialis

A

A: extend and abduct hand
I: metacarpals
O: Humerus distal/ CET

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20
Q

Extensor digitorum

A

A: extend hands and digits
I: phalanges
O: humerus distal/ CET

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21
Q

Extensor digiti minimi

A

A: extend hand and small finger
I: phalanges
O: humerus distal/ CET

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22
Q

Abductor pollicis longus

A

A: abducts hand and thumb
I: metacarpal of thumb
O: radius/ulna

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23
Q

Extensor pollicis longus

A

A: abduct hand, extend thumb
I: phalanx (thumb)
O: ulna

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24
Q

Extensor pollicis brevis

A

A: abduct hand, extend thumb
I: phalynx (thumb)
O: radius

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25
Q

Tensor Fasciae Latae

A

A: flex, abduct
I: iliotibial tract
O: ilium (ant.sup.iliac spine)

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26
Q

Gluteus Maximus

A

A: extend, rotate
I: Femur proximal end
O: ilium/ sacrum

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27
Q

gluteus medius/ minimus

A

A: abduct, rotate
I: Femur proximal end
O: ilium

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28
Q

Iliopsoas

A

A: flex
I: Femur proximal end
O: iliacus from ilium

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29
Q

piriformis

A

A: abduct, rotate
I: Femur proximal end
O: Sacrum

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30
Q

Obturator internus

A

A: abduct, rotate
I: Femur proximal end
O: Obturator foramen edge

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31
Q

Superior and inferior gemellus

A

A: abduct, rotate
I: Femur proximal end
O: ischium

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32
Q

Quadratus femoris

A

A: abduct, rotate
I: Femur proximal end
O: ischium

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33
Q

Pectineus

A

A: abduct
I: Femur proximal end
O: pubis

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34
Q

adductors (as a group)

A

A: adduct
I: femur shaft
O: pubis

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35
Q

Biceps femoris

A

A: extend thigh, flex, leg
I: fibula proximal end
O: ischium/ femur shaft

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36
Q

Semitendinosus

A

A: extend thigh, flex leg
I: tibia proximal end
O: ischium

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37
Q

Semimembranosis

A

A: extend thigh, flex leg
I: tibia proximal end
O: ischium

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38
Q

Rectus femoris

A

A: flex thigh, extend leg
I: tibia proximal end
O: illium (ant.inf. iliac spine)

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39
Q

Sartorius

A

A: flex thigh and leg
I: tibia proximal end
O: ilium (ant.sup. iliac spine)

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40
Q

Gracilis

A

A: adduct thigh, flex leg
I: tibia proximal end
O: pubis

41
Q

Vastus lateralis and medialis

A

A: extend
I: tibia proximal end
O: femur

42
Q

Gastrocnemius

A

A: flex leg/ plantar flexion
I: tarsal (calcaneus)
O: femur distal end

43
Q

Plantaris

A

A: flex leg/ plantar flexion
I: tarsal (calcaneus)
O: femur distal end

44
Q

Soleus

A

A: plantar flexion
I: tarsal (calcaneus)
O: tibia proximal end/fibula

45
Q

tibialis anterior

A

A: dorsiflexion/ inversion
I: tarsals/ metatarsals
O: tibia proximal end

46
Q

Tibialis posterior

A

A: plantar flexion/ inversion
I: tarsals/ metatarsals
O: interosseus membrane

47
Q

Fibularis longus and brevis

A

A: plantar flexion/ eversion
I: metatarsals
O: fibula

48
Q

Extensor digitorum

A

A: dorsiflexion/ eversion/ extend toes
I: phalanges
O: tibia proximal end/ fibula

49
Q

Extensor hallucis

A

A: dorsiflexion/ extend big toe
I: phalanx (hallux)
O: fibula

50
Q

Flexor digitorum

A

A: plantar flexion/ flex toes
I: phalanges
O: tibia

51
Q

Flexor hallucis

A

A: plantar flexion/ flex big toe
I: phalanx (hallux)
O: fibula

52
Q

Temporalis

A

A: elevate
I: mandible (coronoid process)
O: temporal

53
Q

Pterygoids

A

A: depress, lateral movement
I: mandible
O: sphenoid

54
Q

Masseter

A

A: elevate
I: mandible (angle)
O: zygomatic arch

55
Q

Orbicularis oris

A

A: compress lips (kiss)
I: corner of mouth
O: mouth fascia

56
Q

Risorius

A

A: draw posteriorly (tense)
I: corner of mouth
O: cheek fascia

57
Q

Zygomaticus

A

A: elevate (smile)
I: corner of mouth
O: zygomatic arch

58
Q

Levator anguli oris

A

A: elevate
I: corner of mouth
O: maxilla

59
Q

Depressor anguli oris

A

A: depress
I: corner of mouth
O: mandible

60
Q

Buccinator

A

A: compress cheeks (whistle)
I: corner of mouth
O: maxilla/mandible

61
Q

Levator labii superioris

A

A: elevate
I: superior lip
O: maxilla

62
Q

Depressor Labii inferioris

A

A: depress (pout)
I: inferior lip
O: mandible

63
Q

Mentalis

A

A: elevate
I: skin of chin
O: mandible

64
Q

Auricularis

A

A: move pinna
I: pinna of ear
O: temporal fascia

65
Q

Nasalis

A

A: compress nares
I: nasal cartilage
O: maxilla

66
Q

Frontalis

A

A: elevate eyebrows
I: skin over orbits
O: galacea aponeurotica

67
Q

Orbicularis oculi

A

A: close (wink)
I: skin of eye
O: orbit (medial wall)

68
Q

Procerus

A

A: depress eyebrow
I: skin between eyes
O: bridge of nose

69
Q

stylohyoid

A

A: elevate retract
I: hyoid
O: temporal (styloid process)

70
Q

Digastric (two bellies)

A

A: elevate
I: hyoid
O: temporal/ mandible

71
Q

Mylohyoid

A

A: elevate
I: hyoid
O: mandible

72
Q

Geniohyoid

A

A: protract
I: hyoid
O: mandible

73
Q

Sternohyoid

A

A: depress
I: hyoid
O: clavicle/sternum

74
Q

iliacus + psoas major (in pelvic)

A

O: Psoas major from vertebrae

75
Q

Omohyoid (two bellies)

A

A: depress
I: hyoid
O: clavicle/sternum

76
Q

Thyrohyoid

A

A: depress/ elevate larynx
I: hyoid
O: Larynx (thyroid cartilage)

77
Q

Sternothyroid

A

A: depress
I: larynx (thyroid cartilage)
O: sternum

78
Q

Hyoglossus

A

A: depress, pull inferiorly
I: tongue (lateral)
O: hyoid

79
Q

Genioglossus

A

A: protrude, pull inferiorly
I: tongue (inferior)
O: mandible

80
Q

Styloglossus

A

I: tongue
O: styloid process

81
Q

Sternocleidomastoid

A

A: flex, rotate
I: temporal (mastoid process)
O: sternum/ clavicle

82
Q

Splenius Capitis

A

A: extend, rotate
I: occipital/ temporal (mastoid)
O: vertebrae (spinous process)

83
Q

Semispinalis Capitis

A

A: extend, rotate
I: occipital
O: vertebrae (transverse process)

84
Q

External Intercostals

A

A: elevates (inhale)
I: ribs
O: ribs

85
Q

internal intercostals

A

A: depresses (exhales)
I: ribs
O: ribs

86
Q

External Oblique

A

A: Compress/ lat.flex.vert.col.
I: linea alba
O: ribs

87
Q

internal oblique

A

A: compress/ lat.flex.vert.col.
I: ribs
O: ilium/vertebrae

88
Q

Transverse Abdominis

A

A: compress
I: sternum/ linea alba
O: ilium/ ribs/vertebrae

89
Q

Rectus Abdominis

A

A: flex
I: ribs/sternum
O: pubis

90
Q

Quadratus Lumborum

A

A: lateral flexion
I: ribs/ vertebrae transverse process
O: ilium (crest)

91
Q

Iliocostalis Lumborum

A

A: Stabalize
I: ribs/ vertebrae transverse process
O: ribs (inferior)

92
Q

Iliocostalis lumborum

A

A: extend
I: ribs (inferior)
O: ilium (crest)

93
Q

Longissimus Thoracis

A

A: extend
I: vertebrae transverse process
O: vertebrae transverse process

94
Q

Spinalis thoracis

A

A: extend
I: vertebrae spinous process
O: vertebrae spinous process

95
Q

Trapezius

A

A: elevate, depress, adduct
I: scapula (spine)
O: occipital/ vertebrae

96
Q

Pectoralis minor

A

A: depress
I: scapula (coracoid process)
O: ribs

97
Q

Serratus anterior

A

A: abduct
I: scapula (vertebral border)
O: ribs

98
Q

Levator scapulae

A

A: elevate
I: scapula (vertebral border)
O: vertebrae

99
Q

Rhomboids

A

A: adduct
I: scapula (vertebral border)
O: vertebrae

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