anatomy - R.J. Word Scramble
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muscle | origin | insertion | action |
Corrugator (supercilii) | -draws eyebrow medially & inferiorly; produces vertical wrinkling of forehead (frowning, | ||
Orbicularis Oculi | -Maxilla -frontal | -upper and lower eyelids | -closes eyelids/wink /blink |
Levator labii superioris | Elevates upper lip | ||
Zygomaticus major | -elevates angle of the mouth (smiling & laughing) | ||
Buccinator | -maxilla -madible | -angle (angle of the mouth) | -compresses cheeks in blowing, sucking, eating |
Risorius | -draws angle of mouth laterally, retraction; (laugh, grin, tenseness, grimace) | ||
Orbicularis oris | -maxilla -mandible | Upper & lower lips | -closes, protrudes & shapes lips ducing speech/food manipulation/kissing/whisle |
Mentalis | Protrudes lower lip (pouting, doubt) | ||
Depressor labii inferioris | -depresses lower lip | ||
Depressor anguli oris | -draws down corner of mouth | ||
Platysma | -upper fascia of thorax of mouth | -mandible & corner | -depresses mandible & depresses angle of mouth |
Epicranius -frontalis -occipitalis | -epicranial -aponeurosis -occipital -temporal | -skin of forehead -epicranial apponeurosis | -raises eyebrows & wrinkles forehead -acts with frontalis to draw scalp backwards (surprised |
Temporalis | -frontal; parietal; temporal | -mandible | -elevates &retracts mandible |
Masseter | -maxilla; zygomatic arch | -mandible | -elevates mandible; protrudes mandible |
Sternocleidomastoid | -sternum; clavicle | -temporal (mastoid | -flexes head neck; laterally rotates head |
Trapezius | -ocipital (ext. occip. Prot. & sup nuchal line -ligamentum nuchae; C7; all T vertebrae | -scapula (spine, acromion) -clavicle | -elevation, depression, adduction of scalpula -extensor of head |
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mal1ce13
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