muscle list

muscle list - Muscles in the Face: Origin Insertion Action...

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Origin Insertion Action masseter zygomatic arch mandible orbicularis oculi orbicularis oris temporalis temporal bone opens eyelid Origin Insertion Action digastric Muscles in the Face: elevates mandible (close mouth) medial wall of orbit, frontal and maxillar bones circular path around orbit blinking, squinting, forceful closing of eyelids muscle fibers/fibrous tissue surrounding opening of mouth skin at corner of mouth kissing, compresses lips against teeth, shapes lips in speech coronoid process mandible elevates and retracts mandible levator palpebrae superioris root of orbit (lesser wing of sphenoid bone ) skin of upper eyelid Muscles in the Neck: temporal bone , mandible hyoid bone depresses mandible, opens the mouth (when hyoid bone is fixed)
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mylohyoid mandible hyoid bone omohyoid sternohyoid hyoid bone stylohyoid hyoid bone scalenes elevates hyoid bone & floor of mouth in initial swallowing, depresses mandible superior border of scapula body of hyoid bone depresses hyoid bone clavicle & manubrium of sternum mastoid process of the temporal bone Flexes head, rotates head laterally clavicle & manubrium of sternum depresses hyoid bone styloid process of temporal bone elevates hyoid bone transverse process of C1 - C7 first and second ribs helps breeth by elevating upper ribs, flexes head, rotates head side to side
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sternothyroid sternum thyrohyoid Platysma Back Muscles Origin Insertion Action Erector Spinae iliocostalis longissimus thyroid cartilage of larynx depresses thyroid cartilage of larynx thyroid cartilage of larynx hyoid bone elevates thyroid cartilage, depresses hyoid bone pectoralis major & deltoid fascia mandible , muscles around mouth, skin on lower face depresses mandible, draws angle of mouth downward (pout), tightens skin of the neck Nuchal ligament, ribs 3-12, T and L vertebrae, sacrum, thoracolumbar fascia Mastoid process, C and T vertebrae, all ribs extend and maintain erect posture of vetebral column, roatate head
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spinalis latissimus dorsi trapezius rhomboideus major rhomboideus minor Origin Insertion Action external oblique Ribs 5-12 T6 - T12, all Lumbar ver., sacrum, ilium, inferior four ribs Intertubercular groove of humerus extends, adducts, medially rotates upper arm occipital bone & spines of C7 & all Thoracic vertebrae Spine of scapula, acromion, lateral 1/3rd of clavicle stabilizes,raises, retracts, elevates,
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muscle list - Muscles in the Face: Origin Insertion Action...

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