muscles part 2 Flashcards
levator palpebrae superioris nerve
oculomotor
levator palpebrae superioris origin
lesser wing of sphenoid
levator palpebrae superioris insertion
skin of superior eyelid
levator palpebrae superioris action
elevates superior eyelid
medial rectus origin
tendinous ring
medial rectus insertion
anteriomedial eye
medial rectus action
adduct eye
medial rectus nerve
oculomotor nerve
lateral rectus nerve
abducens
lateral rectus origin
tendinous ring
lateral rectus insertion
anterior lateral eye
lateral rectus action
abducts eye
superior rectus nerve
oculomotor nerve
superior rectus origin
tendinous ring
superior rectus insertion
anterior superior eye
superior rectus action
pulls eye up
temporalis origin
temporal lines
temporalis insertion
coronoid process of mandible
temporalis action
elevates and retracts the mandible
masseter origin
zygomatic arch
masseter insertion
coronoid process
masseter action
elevates and protracts mandible
digrastic origin
mastoid and inferior mandible @ chin
digrastic insertion
hyoid bone
digrastic action
elevates larynx
digrastic nerve
Trigeminal
sternocleidomastoid nerve
accessory
sternocleidomastoid origin
manubrium and sternal end of clavicle
sternocleidomastoid insertion
mastoid process
sternocleidomastoid action
bilateral contraction, flexion of the necks
splenius capitis nerve
cervical spinal nerves
splenius capitis origin
ligamentum nuchae
splenius capitis insertion
occipital and mastoid process of temporal
splenius capitis action
extend head or turn neck
serratus posterior superior origin
spiny process of C7-T3
serratus posterior superior insertion
lateral borders of ribs 2-5
serratus posterior superior action
elevates ribs during inhalation
serratus posterior superior nerve
thoracic spinal
serratus posterior inferior origin
spiny process of T11-L2
serratus posterior inferior insertion
inferior borders of ribs 8-12
serratus posterior inferior action
depress ribs during forced exhalation
serratus posterior inferior nerve
thoracic spinal
external intercostals origin
inferior border of the superior rib
external intercostals insertion
superior border of the inferior rib
external intercostals action
elevate ribs during inhalation
external intercostals nerve
thoracic spinal nerves
internal intercostals origin
superior border of the inferior rib
internal intercostals insertion
inferior border of the superior rib
internal intercostals action
depress ribs during forced exhalation
internal intercostals nerve
thoracic spinal nerves
transverse thoracis origin
posterior surface of the ziphoid process of inferior exhalation
transverse thoracis insertion
costal cartilages 2-6
transverse thoracis action
depress ribs during forced exhalation
transverse thoracis nerve
thoracic spinal nerves
diaphragm origin
inferior internal rib surfaces 7-12, xiphoid process
diaphragm insertion
central tendon
diaphragm action
depress diaphragm
diaphragm nerve
phrenic nerve