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Anatomy: Muscles > Muscles > Flashcards

Muscles Flashcards

1
Q

Occipotofrontalis (Frontal Belly)

A

O: epicranial aponeurosis
I: skin superior to supraorbital margin
A: draws scalp anteriorly, raises eyebrows, wrinkles skin of forehead horizontally

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2
Q

Occipitofrontalis (occipital belly)

A

O: occipital bone and mastoid process of temporal bone
I: epicranial aponeurosis
A: draws scalp posteriorly
I: Facial 7

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3
Q

Obicularis Oris

A

O: muscle fibrosis surrounding opening of the mouth
I: skin at corner of the mouth
A: closes and protrudes lips, compresses lips against teeth, shapes lips for speech
I: Facial 7

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4
Q

Zygomaticus Major

A

O: zygomatic bone
I: skin at angle of mouth and obicularis oris
A: draws angle of the mouth superiorly and laterally
I: Facial 7

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5
Q

Zygomaticus Minor

A

O: zygomatic bone
I: upper lip
A: raises upper lip, exposing maxillary teeth
I: Facial 7

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6
Q

Levator Labii Superiorus

A

O: superior infraorbital foramen to maxilla
I: skin at angle of mouth and obicularis oris
A: raises upper lip
I: Facial 7

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7
Q

Depressor Labii Inferioris

A

O: mandible
I: skin of lower lip
A: depresses lower lip
I: Facial 7

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8
Q

Depressor Anguli Oris

A

O: mandible
I: angle of mouth
A: draws angle of mouth laterally & inferiorly
I: Facial 7

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9
Q

Levator Anguli Oris

A

O: inferior to infraorbital foramen
I: skin of lower lip and obicularis oris
A: draws angle of mouth laterally & superiorly
I: Facial 7

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10
Q

Buccinator

A

O: alveolar process of maxilla & mandible and pterygomadibular raphe
I: obicularis oris
A: presses cheeks against teeth, draws corner of mouth laterally
I: Facial 7

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11
Q

Risorius

A

O: fascia over parotid gland
I: skkin at angle of mouth
A: draws angle of mouth laterally
I: Facial 7

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12
Q

Mentalis

A

O: mandible
I: skin of chin
A: elevates & protrudes lower lip and pulls skin of chin up
I: Facial 7

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13
Q

Mentalis

A

O: mandible
I: skin of chin
A: elevates & protrudes lower lip and pulls skin of chin up
I: Facial 7

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14
Q

Mentalis

A

O: mandible
I: skin of chin
A: elevates & protrudes lower lip and pulls skin of chin up
I: Facial 7

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14
Q

Mentalis

A

O: mandible
I: skin of chin
A: elevates & protrudes lower lip and pulls skin of chin up
I: Facial 7

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15
Q

Platysma

A

O: fascia over deltoid and pectoralis major muscles
I: madible, blends with muscles around angle of mouth, and skkin of lower face
A: draws outer part of lower lip inferiorly and posteriorly, depresses mandible
I: Facial 7

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16
Q

Platysma

A

O: fascia over deltoid and pectoralis major muscles
I: madible, blends with muscles around angle of mouth, and skkin of lower face
A: draws outer part of lower lip inferiorly and posteriorly, depresses mandible
I: Facial 7

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17
Q

Platysma

A

O: fascia over deltoid and pectoralis major muscles
I: madible, blends with muscles around angle of mouth, and skkin of lower face
A: draws outer part of lower lip inferiorly and posteriorly, depresses mandible
I: Facial 7

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17
Q

Platysma

A

O: fascia over deltoid and pectoralis major muscles
I: madible, blends with muscles around angle of mouth, and skkin of lower face
A: draws outer part of lower lip inferiorly and posteriorly, depresses mandible
I: Facial 7

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18
Q

Orbicularis Oculi

A

O: medial wall of orbit
I: circular path aorund orbit
A: closes eye
I: Facial 7

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19
Q

Orbicularis Oculi

A

O: medial wall of orbit
I: circular path aorund orbit
A: closes eye
I: Facial 7

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20
Q

Orbicularis Oculi

A

O: medial wall of orbit
I: circular path aorund orbit
A: closes eye
I: Facial 7

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21
Q

Orbicularis Oculi

A

O: medial wall of orbit
I: circular path aorund orbit
A: closes eye
I: Facial 7

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22
Q

Corrugator Supercilii

A

O: medial end of superciliary arch of frontal bone
I: skin of eyebrow
A: draws eyebrow inferiorly and wrinkles skin of forehead vertically
I: Facial 7

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23
Q

Corrugator Supercilii

A

O: medial end of superciliary arch of frontal bone
I: skin of eyebrow
A: draws eyebrow inferiorly and wrinkles skin of forehead vertically
I: Facial 7

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23
Q

Corrugator Supercilii

A

O: medial end of superciliary arch of frontal bone
I: skin of eyebrow
A: draws eyebrow inferiorly and wrinkles skin of forehead vertically
I: Facial 7

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25
Q

Corrugator Supercilii

A

O: medial end of superciliary arch of frontal bone
I: skin of eyebrow
A: draws eyebrow inferiorly and wrinkles skin of forehead vertically
I: Facial 7

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26
Q

Superior Rectus

A

O: common tendinous ring
I: superior and central part of eyeballs
A: moves eyeball superiorly, medially, and rotates them medially
I: Ocularmotor 3

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27
Q

Superior Rectus

A

O: common tendinous ring
I: superior and central part of eyeballs
A: moves eyeball superiorly, medially, and rotates them medially
I: Ocularmotor 3

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27
Q

Superior Rectus

A

O: common tendinous ring
I: superior and central part of eyeballs
A: moves eyeball superiorly, medially, and rotates them medially
I: Ocularmotor 3

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28
Q

Superior Rectus

A

O: common tendinous ring
I: superior and central part of eyeballs
A: moves eyeball superiorly, medially, and rotates them medially
I: Ocularmotor 3

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29
Q

Inferior Rectus

A

O: common tendinous ring
I: inferior & central part of eyeball
A: moves eyeball inferiorly & medially, rotates medially
I: Ocularmotor 3

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30
Q

Inferior Rectus

A

O: common tendinous ring
I: inferior & central part of eyeball
A: moves eyeball inferiorly & medially, rotates medially
I: Ocularmotor 3

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31
Q

Inferior Rectus

A

O: common tendinous ring
I: inferior & central part of eyeball
A: moves eyeball inferiorly & medially, rotates medially
I: Ocularmotor 3

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33
Q

Inferior Rectus

A

O: common tendinous ring
I: inferior & central part of eyeball
A: moves eyeball inferiorly & medially, rotates medially
I: Ocularmotor 3

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34
Q

Lateral Rectus

A

O: common tendinous ring
I: lateral side of eyeball
A: moves eyeball laterally
I: Abducens 6

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34
Q

Lateral Rectus

A

O: common tendinous ring
I: lateral side of eyeball
A: moves eyeball laterally
I: Abducens 6

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35
Q

Lateral Rectus

A

O: common tendinous ring
I: lateral side of eyeball
A: moves eyeball laterally
I: Abducens 6

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37
Q

Lateral Rectus

A

O: common tendinous ring
I: lateral side of eyeball
A: moves eyeball laterally
I: Abducens 6

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38
Q

Medial Rectus

A

O: common tendinous ring
I: medial side of eyeball
A: moves eyeball medially
I: Ocularmotor 3

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40
Q

Medial Rectus

A

O: common tendinous ring
I: medial side of eyeball
A: moves eyeball medially
I: Ocularmotor 3

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40
Q

Medial Rectus

A

O: common tendinous ring
I: medial side of eyeball
A: moves eyeball medially
I: Ocularmotor 3

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41
Q

Medial Rectus

A

O: common tendinous ring
I: medial side of eyeball
A: moves eyeball medially
I: Ocularmotor 3

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42
Q

Superior Oblique

A

O: sphenoid bone, superior & medial to common tednious ring in orbit
I: eyeball between superior & lateral recti
A: moves eyeball inferiorly and laterally rotates medially
I: Trochlear 4

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43
Q

Superior Oblique

A

O: sphenoid bone, superior & medial to common tednious ring in orbit
I: eyeball between superior & lateral recti
A: moves eyeball inferiorly and laterally rotates medially
I: Trochlear 4

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44
Q

Superior Oblique

A

O: sphenoid bone, superior & medial to common tednious ring in orbit
I: eyeball between superior & lateral recti
A: moves eyeball inferiorly and laterally rotates medially
I: Trochlear 4

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46
Q

Superior Oblique

A

O: sphenoid bone, superior & medial to common tednious ring in orbit
I: eyeball between superior & lateral recti
A: moves eyeball inferiorly and laterally rotates medially
I: Trochlear 4

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47
Q

Inferior Oblique

A

O: maxilla in floor of orbit
I: eyeballs between inferior and lateral recti
A: moves eyeball superiorly & laterally, rotates laterally
I: Ocularmotor 3

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47
Q

Inferior Oblique

A

O: maxilla in floor of orbit
I: eyeballs between inferior and lateral recti
A: moves eyeball superiorly & laterally, rotates laterally
I: Ocularmotor 3

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48
Q

Inferior Oblique

A

O: maxilla in floor of orbit
I: eyeballs between inferior and lateral recti
A: moves eyeball superiorly & laterally, rotates laterally
I: Ocularmotor 3

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50
Q

Inferior Oblique

A

O: maxilla in floor of orbit
I: eyeballs between inferior and lateral recti
A: moves eyeball superiorly & laterally, rotates laterally
I: Ocularmotor 3

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51
Q

Levator Palpebrae Superioris

A

O: roof of orbit
I: skin & tarsal plate of upper eyelids
A: elevates upper eyelids
I: Ocularmotor 3

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52
Q

Levator Palpebrae Superioris

A

O: roof of orbit
I: skin & tarsal plate of upper eyelids
A: elevates upper eyelids
I: Ocularmotor 3

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53
Q

Levator Palpebrae Superioris

A

O: roof of orbit
I: skin & tarsal plate of upper eyelids
A: elevates upper eyelids
I: Ocularmotor 3

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55
Q

Masseter

A

O: maxilla and zygomatic arch
I: angle and ramus of the madible
A: elevates madible
I: mandibular division of the trigeminal 5

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55
Q

Levator Palpebrae Superioris

A

O: roof of orbit
I: skin & tarsal plate of upper eyelids
A: elevates upper eyelids
I: Ocularmotor 3

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56
Q

Masseter

A

O: maxilla and zygomatic arch
I: angle and ramus of the madible
A: elevates madible
I: mandibular division of the trigeminal 5

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57
Q

Masseter

A

O: maxilla and zygomatic arch
I: angle and ramus of the madible
A: elevates madible
I: mandibular division of the trigeminal 5

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58
Q

Masseter

A

O: maxilla and zygomatic arch
I: angle and ramus of the madible
A: elevates madible
I: mandibular division of the trigeminal 5

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60
Q

Temporalis

A

O: temporal bone
I: coronoid process and ramus of mandible
A: elevates and retracts mandible
I: mandibular division of trigeminal 5

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60
Q

Temporalis

A

O: temporal bone
I: coronoid process and ramus of mandible
A: elevates and retracts mandible
I: mandibular division of trigeminal 5

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62
Q

Temporalis

A

O: temporal bone
I: coronoid process and ramus of mandible
A: elevates and retracts mandible
I: mandibular division of trigeminal 5

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63
Q

Temporalis

A

O: temporal bone
I: coronoid process and ramus of mandible
A: elevates and retracts mandible
I: mandibular division of trigeminal 5

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64
Q

Medial Pteygoid

A

O: medial surface of lateral portion of pterygoid process of sphneoid bone
I: angle & ramus of mandible
A: elevates & protrudes mandible and moves mandible side to side
I: mandibular division of trigeminal 5

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65
Q

Medial Pteygoid

A

O: medial surface of lateral portion of pterygoid process of sphneoid bone
I: angle & ramus of mandible
A: elevates & protrudes mandible and moves mandible side to side
I: mandibular division of trigeminal 5

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66
Q

Medial Pteygoid

A

O: medial surface of lateral portion of pterygoid process of sphneoid bone
I: angle & ramus of mandible
A: elevates & protrudes mandible and moves mandible side to side
I: mandibular division of trigeminal 5

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67
Q

Medial Pteygoid

A

O: medial surface of lateral portion of pterygoid process of sphneoid bone
I: angle & ramus of mandible
A: elevates & protrudes mandible and moves mandible side to side
I: mandibular division of trigeminal 5

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68
Q

Lateral Pterygoid

A

O: greater wing and lateral surface of lateral portion of pterygoid process of sphenoid bone
I: condyle of mandible, TMJ joint
A: protracts mandible, depresses mandible, moves mandible side to side
I: mandibular division of trigeminal 5

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69
Q

Lateral Pterygoid

A

O: greater wing and lateral surface of lateral portion of pterygoid process of sphenoid bone
I: condyle of mandible, TMJ joint
A: protracts mandible, depresses mandible, moves mandible side to side
I: mandibular division of trigeminal 5

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70
Q

Lateral Pterygoid

A

O: greater wing and lateral surface of lateral portion of pterygoid process of sphenoid bone
I: condyle of mandible, TMJ joint
A: protracts mandible, depresses mandible, moves mandible side to side
I: mandibular division of trigeminal 5

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71
Q

Lateral Pterygoid

A

O: greater wing and lateral surface of lateral portion of pterygoid process of sphenoid bone
I: condyle of mandible, TMJ joint
A: protracts mandible, depresses mandible, moves mandible side to side
I: mandibular division of trigeminal 5

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72
Q

Genioglossus

A

O: mandible
I: undersurface of tongue and hyoid bone
A: depresses tongue and thrusts it forward
I: hypoglossal 12

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73
Q

Genioglossus

A

O: mandible
I: undersurface of tongue and hyoid bone
A: depresses tongue and thrusts it forward
I: hypoglossal 12

74
Q

Genioglossus

A

O: mandible
I: undersurface of tongue and hyoid bone
A: depresses tongue and thrusts it forward
I: hypoglossal 12

75
Q

Genioglossus

A

O: mandible
I: undersurface of tongue and hyoid bone
A: depresses tongue and thrusts it forward
I: hypoglossal 12

76
Q

Styloglossus

A

O: styloid process of temporal bone
I: side and undersurface of tongue
A: elevates tongue and draws posteriorly
I: hypoglossal 12

77
Q

Styloglossus

A

O: styloid process of temporal bone
I: side and undersurface of tongue
A: elevates tongue and draws posteriorly
I: hypoglossal 12

78
Q

Styloglossus

A

O: styloid process of temporal bone
I: side and undersurface of tongue
A: elevates tongue and draws posteriorly
I: hypoglossal 12

79
Q

Styloglossus

A

O: styloid process of temporal bone
I: side and undersurface of tongue
A: elevates tongue and draws posteriorly
I: hypoglossal 12

80
Q

Hyoglossal

A

O: greater horn and body of hyoid bone
I: side of tongue
A: depresses tongue, draws down its sides
I: hypoglossal 12

81
Q

Hyoglossal

A

O: greater horn and body of hyoid bone
I: side of tongue
A: depresses tongue, draws down its sides
I: hypoglossal 12

82
Q

Hyoglossal

A

O: greater horn and body of hyoid bone
I: side of tongue
A: depresses tongue, draws down its sides
I: hypoglossal 12

83
Q

Hyoglossal

A

O: greater horn and body of hyoid bone
I: side of tongue
A: depresses tongue, draws down its sides
I: hypoglossal 12

84
Q

Palatoglossus

A

O: anterior surface of soft palate
I: sude of tongue
A: elevates posterior portion of tongue and draws soft palate down on tongue
I: pharyngeal plexus, axons from vagus 10

85
Q

Palatoglossus

A

O: anterior surface of soft palate
I: sude of tongue
A: elevates posterior portion of tongue and draws soft palate down on tongue
I: pharyngeal plexus, axons from vagus 10

86
Q

Palatoglossus

A

O: anterior surface of soft palate
I: sude of tongue
A: elevates posterior portion of tongue and draws soft palate down on tongue
I: pharyngeal plexus, axons from vagus 10

87
Q

Palatoglossus

A

O: anterior surface of soft palate
I: sude of tongue
A: elevates posterior portion of tongue and draws soft palate down on tongue
I: pharyngeal plexus, axons from vagus 10

88
Q

Digastric

A

O: anterior belly from inner side of inferior border of mandible; posterior belly from temporal bone
I: body of hyoid bone via intermediate tendon
A: elevates hyoid bone and draws it posteriorly
I: anterior belly-mandibular division of trigeminal
posterior belly; facial

89
Q

Digastric

A

O: anterior belly from inner side of inferior border of mandible; posterior belly from temporal bone
I: body of hyoid bone via intermediate tendon
A: elevates hyoid bone and draws it posteriorly
I: anterior belly-mandibular division of trigeminal
posterior belly; facial

90
Q

Digastric

A

O: anterior belly from inner side of inferior border of mandible; posterior belly from temporal bone
I: body of hyoid bone via intermediate tendon
A: elevates hyoid bone and draws it posteriorly
I: anterior belly-mandibular division of trigeminal
posterior belly; facial

91
Q

Digastric

A

O: anterior belly from inner side of inferior border of mandible; posterior belly from temporal bone
I: body of hyoid bone via intermediate tendon
A: elevates hyoid bone and draws it posteriorly
I: anterior belly-mandibular division of trigeminal
posterior belly; facial

92
Q

Stylohyoid

A

O: styloid process of temporal bone
I: body of hyoid bone
A: elevates hyoid bone and draws it posteriorly
I: Facial 7

93
Q

Stylohyoid

A

O: styloid process of temporal bone
I: body of hyoid bone
A: elevates hyoid bone and draws it posteriorly
I: Facial 7

94
Q

Stylohyoid

A

O: styloid process of temporal bone
I: body of hyoid bone
A: elevates hyoid bone and draws it posteriorly
I: Facial 7

95
Q

Stylohyoid

A

O: styloid process of temporal bone
I: body of hyoid bone
A: elevates hyoid bone and draws it posteriorly
I: Facial 7

96
Q

Mylohyoid

A

O: inner surface of mandible
I: body of hyoid bone
A: elevates hyoid bone and floor of mouth and depresses mandible
I: mandibular division of trigeminal 5

97
Q

Mylohyoid

A

O: inner surface of mandible
I: body of hyoid bone
A: elevates hyoid bone and floor of mouth and depresses mandible
I: mandibular division of trigeminal 5

98
Q

Mylohyoid

A

O: inner surface of mandible
I: body of hyoid bone
A: elevates hyoid bone and floor of mouth and depresses mandible
I: mandibular division of trigeminal 5

99
Q

Mylohyoid

A

O: inner surface of mandible
I: body of hyoid bone
A: elevates hyoid bone and floor of mouth and depresses mandible
I: mandibular division of trigeminal 5

100
Q

Geniohyoid

A

O: inner surface of mandible
I: body of hyoid bone
A: elevates hyoid bone, draws HB and tongue anteriorly; depresses mandible
I: 1st cervical spinal C1

101
Q

Geniohyoid

A

O: inner surface of mandible
I: body of hyoid bone
A: elevates hyoid bone, draws HB and tongue anteriorly; depresses mandible
I: 1st cervical spinal C1

102
Q

Geniohyoid

A

O: inner surface of mandible
I: body of hyoid bone
A: elevates hyoid bone, draws HB and tongue anteriorly; depresses mandible
I: 1st cervical spinal C1

103
Q

Geniohyoid

A

O: inner surface of mandible
I: body of hyoid bone
A: elevates hyoid bone, draws HB and tongue anteriorly; depresses mandible
I: 1st cervical spinal C1

104
Q

Omohyoid

A

O: superior border of scapula and superior transverse ligament
I: body of HB
A: depresses HB
I: branches of spinal nerves C1-C3

105
Q

Omohyoid

A

O: superior border of scapula and superior transverse ligament
I: body of HB
A: depresses HB
I: branches of spinal nerves C1-C3

106
Q

Omohyoid

A

O: superior border of scapula and superior transverse ligament
I: body of HB
A: depresses HB
I: branches of spinal nerves C1-C3

107
Q

Omohyoid

A

O: superior border of scapula and superior transverse ligament
I: body of HB
A: depresses HB
I: branches of spinal nerves C1-C3

108
Q

Sternohyoid

A

O: medial enfd of clavicle and manubruim of sternum
I: body of hyoid bone
A: depresses hyoid bone
I: branches of spinal nerves C1-C3

109
Q

Sternohyoid

A

O: medial enfd of clavicle and manubruim of sternum
I: body of hyoid bone
A: depresses hyoid bone
I: branches of spinal nerves C1-C3

110
Q

Sternohyoid

A

O: medial enfd of clavicle and manubruim of sternum
I: body of hyoid bone
A: depresses hyoid bone
I: branches of spinal nerves C1-C3

111
Q

Sternohyoid

A

O: medial enfd of clavicle and manubruim of sternum
I: body of hyoid bone
A: depresses hyoid bone
I: branches of spinal nerves C1-C3

112
Q

Sternothyroid

A

O: manubruim of sternum
I: thyroid cartilage of larynx
A: depresses thyroid cartilage of larynx
I: branches of spinal nerves C1-C3

113
Q

Sternothyroid

A

O: manubruim of sternum
I: thyroid cartilage of larynx
A: depresses thyroid cartilage of larynx
I: branches of spinal nerves C1-C3

114
Q

Sternothyroid

A

O: manubruim of sternum
I: thyroid cartilage of larynx
A: depresses thyroid cartilage of larynx
I: branches of spinal nerves C1-C3

115
Q

Sternothyroid

A

O: manubruim of sternum
I: thyroid cartilage of larynx
A: depresses thyroid cartilage of larynx
I: branches of spinal nerves C1-C3

116
Q

Thyrohyoid

A

O: thyroid cartilage of larynx
I: greater horn of hyoid bone
A: depresses hyoid bone
I: branches of spinal nerves C1-C2 and descending hypoglossal 12

117
Q

Thyrohyoid

A

O: thyroid cartilage of larynx
I: greater horn of hyoid bone
A: depresses hyoid bone
I: branches of spinal nerves C1-C2 and descending hypoglossal 12

118
Q

Thyrohyoid

A

O: thyroid cartilage of larynx
I: greater horn of hyoid bone
A: depresses hyoid bone
I: branches of spinal nerves C1-C2 and descending hypoglossal 12

119
Q

Thyrohyoid

A

O: thyroid cartilage of larynx
I: greater horn of hyoid bone
A: depresses hyoid bone
I: branches of spinal nerves C1-C2 and descending hypoglossal 12

120
Q

Sternocleidomastoid

A

O: sternal head, manubruim of sternum, clavicular head, medial 3rd of the clavicle
I: mastoid process of termporal bone and lateral half of superior nuchal line of occipital bone
A: flex cervical portion of spine, laterally flex neck, laterally rotate head side to side
I: Accessory 11, C2, C3

121
Q

Sternocleidomastoid

A

O: sternal head, manubruim of sternum, clavicular head, medial 3rd of the clavicle
I: mastoid process of termporal bone and lateral half of superior nuchal line of occipital bone
A: flex cervical portion of spine, laterally flex neck, laterally rotate head side to side
I: Accessory 11, C2, C3

122
Q

Sternocleidomastoid

A

O: sternal head, manubruim of sternum, clavicular head, medial 3rd of the clavicle
I: mastoid process of termporal bone and lateral half of superior nuchal line of occipital bone
A: flex cervical portion of spine, laterally flex neck, laterally rotate head side to side
I: Accessory 11, C2, C3

123
Q

Sternocleidomastoid

A

O: sternal head, manubruim of sternum, clavicular head, medial 3rd of the clavicle
I: mastoid process of termporal bone and lateral half of superior nuchal line of occipital bone
A: flex cervical portion of spine, laterally flex neck, laterally rotate head side to side
I: Accessory 11, C2, C3

124
Q

Semispinalis Capitis

A

O: articular process of C4-C6 and -transverse processes of C7-T7
I: occipital bone between superior & inferior nuchal laws
A: extend head and vertebral column, rotate head side to side
I: cervical spinal nerves

125
Q

Semispinalis Capitis

A

O: articular process of C4-C6 and -transverse processes of C7-T7
I: occipital bone between superior & inferior nuchal laws
A: extend head and vertebral column, rotate head side to side
I: cervical spinal nerves

126
Q

Semispinalis Capitis

A

O: articular process of C4-C6 and -transverse processes of C7-T7
I: occipital bone between superior & inferior nuchal laws
A: extend head and vertebral column, rotate head side to side
I: cervical spinal nerves

127
Q

Semispinalis Capitis

A

O: articular process of C4-C6 and -transverse processes of C7-T7
I: occipital bone between superior & inferior nuchal laws
A: extend head and vertebral column, rotate head side to side
I: cervical spinal nerves

128
Q

Splenius Capitis

A

O: ligamentum nuchae and spinous procecsses of C7-T4
I: occipital bone and mastoid process of temporal bone
A: extend head, rotate side head to head
I: cervical spinal nerves

129
Q

Splenius Capitis

A

O: ligamentum nuchae and spinous procecsses of C7-T4
I: occipital bone and mastoid process of temporal bone
A: extend head, rotate side head to head
I: cervical spinal nerves

130
Q

Splenius Capitis

A

O: ligamentum nuchae and spinous procecsses of C7-T4
I: occipital bone and mastoid process of temporal bone
A: extend head, rotate side head to head
I: cervical spinal nerves

131
Q

Splenius Capitis

A

O: ligamentum nuchae and spinous procecsses of C7-T4
I: occipital bone and mastoid process of temporal bone
A: extend head, rotate side head to head
I: cervical spinal nerves

132
Q

Mentalis

A

O: mandible
I: skin of chin
A: elevates & protrudes lower lip and pulls skin of chin up
I: Facial 7

133
Q

Platysma

A

O: fascia over deltoid and pectoralis major muscles
I: madible, blends with muscles around angle of mouth, and skkin of lower face
A: draws outer part of lower lip inferiorly and posteriorly, depresses mandible
I: Facial 7

134
Q

Orbicularis Oculi

A

O: medial wall of orbit
I: circular path aorund orbit
A: closes eye
I: Facial 7

135
Q

Corrugator Supercilii

A

O: medial end of superciliary arch of frontal bone
I: skin of eyebrow
A: draws eyebrow inferiorly and wrinkles skin of forehead vertically
I: Facial 7

136
Q

Superior Rectus

A

O: common tendinous ring
I: superior and central part of eyeballs
A: moves eyeball superiorly, medially, and rotates them medially
I: Ocularmotor 3

137
Q

Inferior Rectus

A

O: common tendinous ring
I: inferior & central part of eyeball
A: moves eyeball inferiorly & medially, rotates medially
I: Ocularmotor 3

138
Q

Lateral Rectus

A

O: common tendinous ring
I: lateral side of eyeball
A: moves eyeball laterally
I: Abducens 6

139
Q

Medial Rectus

A

O: common tendinous ring
I: medial side of eyeball
A: moves eyeball medially
I: Ocularmotor 3

140
Q

Superior Oblique

A

O: sphenoid bone, superior & medial to common tednious ring in orbit
I: eyeball between superior & lateral recti
A: moves eyeball inferiorly and laterally rotates medially
I: Trochlear 4

141
Q

Inferior Oblique

A

O: maxilla in floor of orbit
I: eyeballs between inferior and lateral recti
A: moves eyeball superiorly & laterally, rotates laterally
I: Ocularmotor 3

142
Q

Levator Palpebrae Superioris

A

O: roof of orbit
I: skin & tarsal plate of upper eyelids
A: elevates upper eyelids
I: Ocularmotor 3

143
Q

Masseter

A

O: maxilla and zygomatic arch
I: angle and ramus of the madible
A: elevates madible
I: mandibular division of the trigeminal 5

144
Q

Temporalis

A

O: temporal bone
I: coronoid process and ramus of mandible
A: elevates and retracts mandible
I: mandibular division of trigeminal 5

145
Q

Medial Pteygoid

A

O: medial surface of lateral portion of pterygoid process of sphneoid bone
I: angle & ramus of mandible
A: elevates & protrudes mandible and moves mandible side to side
I: mandibular division of trigeminal 5

146
Q

Lateral Pterygoid

A

O: greater wing and lateral surface of lateral portion of pterygoid process of sphenoid bone
I: condyle of mandible, TMJ joint
A: protracts mandible, depresses mandible, moves mandible side to side
I: mandibular division of trigeminal 5

147
Q

Genioglossus

A

O: mandible
I: undersurface of tongue and hyoid bone
A: depresses tongue and thrusts it forward
I: hypoglossal 12

148
Q

Styloglossus

A

O: styloid process of temporal bone
I: side and undersurface of tongue
A: elevates tongue and draws posteriorly
I: hypoglossal 12

149
Q

Hyoglossal

A

O: greater horn and body of hyoid bone
I: side of tongue
A: depresses tongue, draws down its sides
I: hypoglossal 12

150
Q

Palatoglossus

A

O: anterior surface of soft palate
I: sude of tongue
A: elevates posterior portion of tongue and draws soft palate down on tongue
I: pharyngeal plexus, axons from vagus 10

151
Q

Digastric

A

O: anterior belly from inner side of inferior border of mandible; posterior belly from temporal bone
I: body of hyoid bone via intermediate tendon
A: elevates hyoid bone and draws it posteriorly
I: anterior belly-mandibular division of trigeminal
posterior belly; facial

152
Q

Stylohyoid

A

O: styloid process of temporal bone
I: body of hyoid bone
A: elevates hyoid bone and draws it posteriorly
I: Facial 7

153
Q

Mylohyoid

A

O: inner surface of mandible
I: body of hyoid bone
A: elevates hyoid bone and floor of mouth and depresses mandible
I: mandibular division of trigeminal 5

154
Q

Geniohyoid

A

O: inner surface of mandible
I: body of hyoid bone
A: elevates hyoid bone, draws HB and tongue anteriorly; depresses mandible
I: 1st cervical spinal C1

155
Q

Omohyoid

A

O: superior border of scapula and superior transverse ligament
I: body of HB
A: depresses HB
I: branches of spinal nerves C1-C3

156
Q

Sternohyoid

A

O: medial enfd of clavicle and manubruim of sternum
I: body of hyoid bone
A: depresses hyoid bone
I: branches of spinal nerves C1-C3

157
Q

Sternothyroid

A

O: manubruim of sternum
I: thyroid cartilage of larynx
A: depresses thyroid cartilage of larynx
I: branches of spinal nerves C1-C3

158
Q

Thyrohyoid

A

O: thyroid cartilage of larynx
I: greater horn of hyoid bone
A: depresses hyoid bone
I: branches of spinal nerves C1-C2 and descending hypoglossal 12

159
Q

Sternocleidomastoid

A

O: sternal head, manubruim of sternum, clavicular head, medial 3rd of the clavicle
I: mastoid process of termporal bone and lateral half of superior nuchal line of occipital bone
A: flex cervical portion of spine, laterally flex neck, laterally rotate head side to side
I: Accessory 11, C2, C3

160
Q

Semispinalis Capitis

A

O: articular process of C4-C6 and -transverse processes of C7-T7
I: occipital bone between superior & inferior nuchal laws
A: extend head and vertebral column, rotate head side to side
I: cervical spinal nerves

161
Q

Splenius Capitis

A

O: ligamentum nuchae and spinous procecsses of C7-T4
I: occipital bone and mastoid process of temporal bone
A: extend head, rotate side head to head
I: cervical spinal nerves

162
Q

Longissimus Capitis

A

O: Articular process of T1-T4
I: Mastoid process of temporal bone
A: Acting together; extend head and vertebral column. Acting singly; laterlaly flex and rotate head to same sidde as contracting muscle
I: Cervical spinal nerves

163
Q

Spinalis Capitis

A

O: Often absent or very samll; arises with semispinalis capitis
I: occipital bone
A: extends head and vertebral column
I: cervical spinal fluid

164
Q

Rectus Abdominus

A

O: pubic crest and pubic symphasis
I: cartilage of ribs 5-7 and xiphoid process
A: flexes vertebral column, compresses abdomen
I: thoracic spinal nerves T7-T12

165
Q

External Oblique

A

O: ribs 5-12
I: iliac crest and linea alba
A: acting together; compress abdomen and flex vertebral column. acting singly; laterally flex vertebral column
I: thoracic spinal nerves T7-T12 and the iliohypogastric nerve

166
Q

Internal Oblique

A

O: iliac crest, inguinal ligament and thoracolumbar fascia
I: cartilage of ribs and linea alba
A: acting together; compress abdomen and flex vertebral column. acting singly; laterally flex vertebral column
I: thoracic spinal nerves T8-T12, iliohypogastric nerve, ilioinguinal nerve

167
Q

Transversus Abdominus

A

O: iliac crest, inguinal ligament, lumbar fascia, cartilages of ribs 5-10
I: xiphoid process, linea alba, pubis
A: compresses abdomen
I: thoracic spinal nerves T8-T12, iliohypogastric nerve, ilioinguinal nerve

168
Q

Quadratus Lumborum

A

O: iliac crest, iliolumbar ligament
I: inferior border of rib 12 and L1-L4
A: acting together; pull 12th ribs inferiorly during exhalation/inhalation. acting singly; laterally flex VC
I: thoracic spinal nerves T12 and lumbar spinal nerves L1-L3 or L1-L4

169
Q

Diaphragm

A

O: xiphoid process of the sternum, costal cartilages and adjacent protions of inferior 6 ribs, lumbar vertabrae and their intervetebral discs
I: central tendon
A: allows for inhalation and exhalation
I: phrenic nerve, which contains axons from cervical spinal nerves C3-C5

170
Q

External Intercostals

A

O: inferior border of rib above
I: superior border of rib below
A: elevates ribs to create inhalation; depresses ribs to create exhalation
I: thoracic spinal nerves T2-T12

171
Q

Internal Intercostals

A

O: superior border of rib below
I: inferior border of rib above
A: draws adjacent ribs together for exhalation
I: thoracic spinal nerves T2-T12

172
Q

Levator Ani (Pubococcygeus)

A

O: pubis and ischial spine
I: coccyx, urethra, anal canal, perineal body of perineum
A: supports and maintains postion of pelvic viscera, resists increased pressure in forced exhalation, constricts anus, urethra, and vagina
I: sacral spinal nerves S2-S4

173
Q

Levator Ani (Iliococcygeus)

A

O: ischial spine
I: coccyx
A:supports and maintains postion of pelvic viscera, resists increased pressure in forced exhalation, constricts anus, urethra, and vagina
I: sacral spinal nerves S2-S4

174
Q

Ischiococcygeus

A

O: ischial spine
I: lower sacrum and upper coccyx
A: supports and maintains postion of pelvic viscera, resists increased pressure in forced exhalation, pulls coccyx anteriorly following defacation or childbirth
I: sacral spinal nerves S4-S5

175
Q

Superficial Transverse Perineal

A

O: ischial tuberosity
I: perineal body of the perineum
A: stabalizes perineal body of perineum
I: perineal branch of pudendal nerve of sacral plexus

176
Q

Bulbospongiosis

A

O: perineal body of perineum
I: perineal membrane of deep muscles of perineum, corpius spongiosum of penis, deep fascia on dorsum of penis, pubic arch and root of dorsum of clitoris is female
A: helps expel urine during urination, helps propel semen, assists in erection, constricts vaginal orifice

177
Q

Ischiocavernosus

A

O: ischial tuberosity and ischial and pubic rami
I: corpora cavernosa of penis in male and clitoris in female and pubic symphasis
A: maintains erection
I: perineal branch of pudendal nerve of sacral plexus

178
Q

Deep Transverse Perineal

A

O: ischial ramis
I: perineal body of perineum
A: helps expel last drops of urine and semen
I: perineal branch of pudendal nerve of sacral plexus

179
Q

External Urethral Sphincter

A

O: ischial and pubic rami
I: median raphe in male and vaginal wall in female
A: helps expel last drops of urine and semen
I: sacral spinal nerve S4 and inferior rectal branch of pudendal nerve

180
Q

Compressor Urethrae

A

O: ischiopubic ramus
I: blends with partner on other side anterior to urethra
A: serves as accessory sphincter to urethra
I: perineal branch of pudendal nerve of sacral plexus

181
Q

Sphincter Urethrovaginalis

A

O: perineal body
I: blends with partner on other side anterior to urethra
A: serves as accessory sphincter of urethra and facilitates closing of the vagina
I: perineal branch of pudendal nerve of sacral plexus

182
Q

External Anal Sphincter

A

O: ano

Anatomy: Muscles (1 decks)

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