muscle overview
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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| Antagonist | Opposes action of another muscle.
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| Prime Mover | primary actor in movement
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| Synergist | acts w/another muscle to produce movement
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| Muscles are identified by: | location, size, action, shape
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| Frontalis | raises eyebrows
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| Zygomaticus | makes us smile
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| Latissimus dorsi | provides extention, adduction and rotation of the arm inwardly.
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| Triceps Brachii | extends the arm at the elbow
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| Diaphragm | seperates the thoracic cavity from the abdominal cavity
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| Rectus Abdominus | flexes vertebral column and compresses the abdominal wall
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| Gastrocnemius | flexes the foot and aids in moving the body foward
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| Atrophy | wasting of muscles due to disease over a long period of time
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| Fibromyalgia | widespread musculoskeletal pain and fatigue disorder
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| Muscular Dystrophy | MD genetic disorder weakness and degeneration of skeletal muscle
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| Myasthenia gravis | CHRONIC neuromuscular disease
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| Sprain | injury to a ligament
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| Strain | injury to a muscle or a tendon
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| Muscular system functions | movement, tonicity, heat production, stability
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| Fascia | connective tissue held together by a fibrous sheath called...
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| Muscles must.... | ...be supplied with proper oxygen and nutrition to perform properly
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| Muscles are composed of | 75% water, 20% protien, 5% carbs, lipids, and salts
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| 3 types of muscle tissue | Cardiac, smooth, skeletal
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| Skeletal muscles | allow movement by being attached to bones, voluntary
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| Smooth muscles | found in digestive, bladder, involuntary
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| Cardiac muscle | quadrangular, cross striated, heart
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| how many different muscles are there | 600
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| Epimysium | thin covering which surrounds muscle
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| Muscles are attached to bone | by tendons
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| Aponeuroses | wide thin sheet-like tendon that attached muscle to muscle
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| Perimysium | responsible for dividing muscles into sections called fasicles
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| Endomysium | covering made up of connective tissue that surrounds individual muscle cell
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| Origin | site of attachment to bone that is more fixed or still
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| Insertion | site of attachment to a bone that moves
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Created by:
colleenl2009
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