Muscular system
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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| state of a particular contraction | muscle tone
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| severe tightening of a flexor muscle | contracture
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| control over action of muscle | voluntary
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| muscle fibers become short and thick | contractibility
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| tough connective tissue cord | tendon
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| decreasing the angle between two bones | flexion
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| swinging the arm around in a CIRCLE | circumduction
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| straightening the lower arm away from the upper arm | extension
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| ability of muscles to be stretched | excitability
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| moving the arm away from the side of the body | abduction
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| muscles are made of bundles of muscle fibers | true
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| when muscles attach to bones, the end that moves when the muscle contracts is called the origin | false
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| muscle atrophy is when muscles are exercised frequently | false
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| a fascia is a sheet-like membrane that attaches muscles to bones | true
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| muscles are partially contracted at all times | true
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| skeletal muscles are also called smooth muscles | false
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| foot drop is a common contracture | true
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| muscular dystrophy results in a wasting away of the muscles | true
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| myalgia is an over-stretching or injury to a muscle | false
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| myasthenia gravis is a chronic condition in which nerve impulses are not transmitted properly to the muscles | true
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| muscles between the ribs used for breathing | intercostals
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| shoulder muscle that abducts the arm | deltoids
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| muscle that compresses the abdomen | rectus abdominus
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| muscle of the upper arm that extends the lower arm | triceps brachii
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| muscle on front of thigh that extends leg | quadriceps femoris
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| muscle on buttocks that extends thigh | glutis maximus
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| muscle on upper chest that adducts upper arm | pectoralis major
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| two muscles that can be used as injection sites | deltoid and gastrocnemius
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Created by:
sunni_marie
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