Transcription of NAME ORIGIN INSERTION ACTION NERVE
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NAME ORIGIN INSERTION ACTION NERVE
NAMEORIGININSERTIONACTIONNERVEEYE EXPRESSIONS Frontalis1galea aponeuroticaskin of eyebrows and root of nose raises the eyebrows wrinkles the forehead horizontallyFacialCorrugator supercilii 2arch of frontal bone above nasal boneskin of eyebrow draws eyebrows medially and inferiorly wrinkles the forehead vertically (frowning)FacialLevator palpebrae superioris3tendinous band around optic foramen (near annular ring)upper eyelid raises eyelidsOculomotorOrbicularis oculi4frontal and mazillary bones and ligaments around orbittissue of eyelid blinking squinting draws eyebrows inferi-orlyFacial42 NAMEORIGININSERTIONACTIONNERVEEYEBALL MOVERSS uperior rectus5annular ringsuperior eyeball elevates the eyeOculomotorInferior rectus 6annular ringinferior eyeball depresses the eyeOculomotorMedial rectus7annular ringmedial eyeball moves the eye mediallyOculomotorLateral rectus8annular ringlateral eyeball moves the eye laterallyAbducensSuperior oblique9annular ringsuperior lateral eye-ball via trochlea depresses the eye & turns it laterallyTrochlearInferior oblique10medial orbit surfaceinferolateral eye surface elevates the eye & turns it laterallyOcolomotor55687899101 NAMEORIGININSERTIONACTIONNERVEMOUTH MOVERSL evator labii superioris11zygomatic bone & infraorbital margin of maxillaskin & muscle of
ORSO E XTENDERS Erector spinae Iliocostalis 38-A iliac crests (luborum) inferior 6 ribs (tho-racis) ribs 3-6 (cervicis) angle of ribs (luborum & thoracis) cervical vertebrae C6-C4 (cervicis) • extend vertebral column, maintain posture • bend vertebral column to same side when act on one side Spinal nerves (dorsal rami) Erector spinae ...
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