trunk and neck muscl
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| deltoid | arm abduction
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| levator scapulae ventralis | elevates/adducts scapula
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| scalene | elevates first two ribs, flexes and rotates neck
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| subscapularis | prime medial rotator of humerus, stabilizes shoulder joint
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| supraspinatus | part of rotator cuff muscle, stablizer of shoulder joing
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| infraspinatus | part of rotator cuff, stablizes shoulder
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| sternocleidomastoid | prime mover of head flexion, rotation head when one side acts alone
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| mylohyoid | helps in swallowing-moves tounge
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| digastric | opens mouth, depresses mandible
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| int. intercostals | depresses ribs
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| errector spinae(O&I) | O:sacrum I:ribs/skull. extend vertebral column, flexes laterally
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| latissimus dorsi | arm extension, arm adductor-swimming muscle
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| trapezius | adducts and depresses scapula
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| rhomboideus | elevate,adduct,rotate scapula downward to square shoulder/paddle a canoe
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| rectus abdominus(O&I) | flexes/rotates lumbar region of vertebral column O:pubis, I: ribs and xiphoid process
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| internal oblique | flexes verterbral column, compresses abdomen
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| tendinous intersection | creates 6pack
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| pectoralis major | primary arm flexor, rotates arm medially-climbing, throwing, pushing
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| pectoralis minor | moves scapula forward and downward
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| serratus anterior | abducts and rotates scapula upward, boxers punch
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| external intercostals | elevate ribs during inspiration
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| masseter(O&I) | closes mouth, elevates mandilbe O:zygomatic process of maxilla, I:angle and ramus of mandible
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| sternohyoid | helps in swallowing.moves tounge
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| temporalis(O&I) | elevates and retracts mandible O:temporal fossa, I: coronoid process of mandible
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| orbicularis oculi | closes eye.blinks
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| platysma | depresses/lowers mandible, pulls lower lip to grimace
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| buccinator | compresses cheek to suck straw
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| frontalis | raises eyebrows
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| corrugator supercilli | pulls eyebrows together
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| zygomaticus major and minor | smile
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| orbicularis oris | closes and protrudes lips
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Created by:
hannad
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