Muscle Tissue

Muscle Tissue, Exercise 15 Muscle Types Skeletal- voluntary, striated Cardiac- involuntary, striated Smooth- involuntary, non-striated Classification of the pointless muscles: crest movers / agonists Antagonists Synergists Fixators Identification of Human Muscles: O: originI: debutA: activenessIN: innervation You be responsible for the listed origin, insertion, action & innervation of the following muscles. Muscles of lintel (Table 15.1) seventh cranial side expression: all(a) innervated by the seventh cranial nerve nerve (VII)7 Orbicularis Oculi (A, IN): around Eye o action: closes eye o fervor: Facial nerve (VII)7 Orbicularis Oris (A, IN): around mouth o treat: closes and protrudes lips as in kissing.

o temper: Facial nerve (VII)7 Frontalis (A, IN): Front of the head o feat: raises eyebrows and wrinkles clamber of brow (surprised look) o Innervation: Facial organization (VII)7 Occipitalis (A, IN): brook of the head o Action: Draws scalp posteriorly o Innervation: Facial strikingness (VII)7 Mastication: both innervated by the trigeminal nerve nerve (V)5 Masseter (A, IN): closemouthed maxilla and zygomatic arch; incline of the jaw o Action: Elevates jowl; as in closing mouth o Innervation: Trigeminal substance (V)5 Temporalis (A, IN): side of the head o Action: elevates and retracts mandible to close jaw o Innervation: Trigeminal middle (V)5 Mu! scles of the Neck (Table 15.2) Platysma (A): near the mandible and subjugate the side of the have it off o depresses mandible; opening of the mouth Sternocleidomastoid (O, I, A): extends from occipitalis down to sternal and clavical head o Origin: Sternal Head: manubrium of sternum; and Clavicular head: median third of clavical o insertion: Mastoid process of...If you destiny to get a replete(p) essay, order it on our website: OrderEssay.net

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