muscles part 2 Flashcards by Hannah L | Brainscape

Q

levator palpebrae superioris nerve

A

oculomotor

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Q

levator palpebrae superioris origin

A

lesser wing of sphenoid

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Q

levator palpebrae superioris insertion

A

skin of superior eyelid

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Q

levator palpebrae superioris action

A

elevates superior eyelid

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Q

medial rectus origin

A

tendinous ring

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Q

medial rectus insertion

A

anteriomedial eye

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Q

medial rectus action

A

adduct eye

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Q

medial rectus nerve

A

oculomotor nerve

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Q

lateral rectus nerve

A

abducens

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Q

lateral rectus origin

A

tendinous ring

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Q

lateral rectus insertion

A

anterior lateral eye

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Q

lateral rectus action

A

abducts eye

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Q

superior rectus nerve

A

oculomotor nerve

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Q

superior rectus origin

A

tendinous ring

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Q

superior rectus insertion

A

anterior superior eye

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Q

superior rectus action

A

pulls eye up

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Q

temporalis origin

A

temporal lines

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Q

temporalis insertion

A

coronoid process of mandible

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Q

temporalis action

A

elevates and retracts the mandible

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Q

masseter origin

A

zygomatic arch

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Q

masseter insertion

A

coronoid process

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Q

masseter action

A

elevates and protracts mandible

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Q

digrastic origin

A

mastoid and inferior mandible @ chin

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Q

digrastic insertion

A

hyoid bone

Q

digrastic action

A

elevates larynx

Q

digrastic nerve

A

Trigeminal

Q

sternocleidomastoid nerve

A

accessory

Q

sternocleidomastoid origin

A

manubrium and sternal end of clavicle

Q

sternocleidomastoid insertion

A

mastoid process

Q

sternocleidomastoid action

A

bilateral contraction, flexion of the necks

Q

splenius capitis nerve

A

cervical spinal nerves

Q

splenius capitis origin

A

ligamentum nuchae

Q

splenius capitis insertion

A

occipital and mastoid process of temporal

Q

splenius capitis action

A

extend head or turn neck

Q

serratus posterior superior origin

A

spiny process of C7-T3

Q

serratus posterior superior insertion

A

lateral borders of ribs 2-5

Q

serratus posterior superior action

A

elevates ribs during inhalation

Q

serratus posterior superior nerve

A

thoracic spinal

Q

serratus posterior inferior origin

A

spiny process of T11-L2

Q

serratus posterior inferior insertion

A

inferior borders of ribs 8-12

Q

serratus posterior inferior action

A

depress ribs during forced exhalation

Q

serratus posterior inferior nerve

A

thoracic spinal

Q

external intercostals origin

A

inferior border of the superior rib

Q

external intercostals insertion

A

superior border of the inferior rib

Q

external intercostals action

A

elevate ribs during inhalation

Q

external intercostals nerve

A

thoracic spinal nerves

Q

internal intercostals origin

A

superior border of the inferior rib

Q

internal intercostals insertion

A

inferior border of the superior rib

Q

internal intercostals action

A

depress ribs during forced exhalation

Q

internal intercostals nerve

A

thoracic spinal nerves

Q

transverse thoracis origin

A

posterior surface of the ziphoid process of inferior exhalation

Q

transverse thoracis insertion

A

costal cartilages 2-6

Q

transverse thoracis action

A

depress ribs during forced exhalation

Q

transverse thoracis nerve

A

thoracic spinal nerves

Q

diaphragm origin

A

inferior internal rib surfaces 7-12, xiphoid process

Q

diaphragm insertion

A

central tendon

Q

diaphragm action

A

depress diaphragm

Q

diaphragm nerve

A

phrenic nerve