Muscular System Review
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| show | movement, posture heat production, joint stability
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| show | excitability-ability to receive and respond to stimulus
contractility- ability to shorten or compact
extensibility- ability to stretch or lengthen
elasticity- ability to return to its original shape and length
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| show | connective tissue that surrounds each individual muscle cell/fiber
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| show | layer of connective tissue that surrounds the fasciculus (bundle of cells)
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| show | connective tissue sheath that surrounds a muscle
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| show | a neurotransmitter. A chemical substance that is released at the axon terminals of many neurons to carry the impulse across a synaptic cleft
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| show | a band of dense fibrous connective tissue that attaches muscle to bones
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| aponeurosis | show 🗑
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| show | end of a muscle that is attached to a bone that is stationary; the end Opposite the insertion
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| insertion | show 🗑
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| show | muscle fiber gets shorter and thicker
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| show | they get longer and thinner
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| How do skeletal muscles move bones | show 🗑
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| flexion (to bend) | show 🗑
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| extension (to straighten) | show 🗑
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| abduction (take away) | show 🗑
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| show | moves a bone or limb toward the midline of the body.
arms back to side of body
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| show | movement of bone around its own axis in a pivot joint
"shaking head no"
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| show | backward bending of the foot (toes up)
"standing on heels"
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| show | pointing sole of foot downward
"standing on toes"
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| pronation | show 🗑
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| supination | show 🗑
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| show | extreme or abnormal extension (extension of knee with plantar flexion)
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| show | conelike circular movement of a body segment
movement of arm at shoulder joint with elbow extended; finger tips move in a circle
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| show | circular muscle around the eyes
closes the lid
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| zygomaticus | show 🗑
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| buccinator | show 🗑
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| show | covers lateral aspect of the jaw
closes the mouth, elevates mandible
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| show | large fan-shaped muscle that covers the anterior chest
adducts the arm across chest
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| deltoid | show 🗑
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| biceps brachii | show 🗑
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| triceps brachii | show 🗑
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| rectus abdominis | show 🗑
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| show | largest gluteal muscle/buttocks
extends thigh
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| show | group of 4 muscle that form the mass of the anterior thigh; forms a common tendon that passes over patella
extends knee, flexes thigh
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| show | rectus femoris
vastus lateralis
vastus medialis
vastus intermedius
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| show | large muscle in the posterior thigh
flexes leg and extends thigh
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| show | biceps femoris
semimembranosus
semitendinosus
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| gastrocnemius | show 🗑
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| atrophy | show 🗑
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| show | muscle contraction without movement
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| show | increase in muscle tension with or without shortening due to excessive motor nerve activity may result in a knot; often associated with mineral deficiency or muscle fatigue
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| myositis | show 🗑
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| show | trauma to a joint with injury to ligaments and/or tendons
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| show | "overstretched muscle" commonly called a pull, an injury of a muscle or tendon due to a violent contraction, forced stretching
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| tic | show 🗑
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| show | muscle contraction from a single stimulus
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| paralysis | show 🗑
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| show | paralysis on on side of the body
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| paraplegia | show 🗑
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| show | paralysis of all four extremities
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| paresis | show 🗑
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| show | chronic progressive muscle disorder, causes progressive muscle weakness and atrophy
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| show | neuromuscular disorder caused by not enough acetylcholine. Starts in face
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| what muscles does myasthenia gravis affect | show 🗑
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| signs and symptoms of myasthenia gravis | show 🗑
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| what is polymositis | show 🗑
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| show | striated muscular tissue tumor
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| muscle biopsy | show 🗑
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| EMG | show 🗑
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| show | intramuscular
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| show | straplike muscle that ascends obliquely over neck
laterally flexes and rotates head
sternum, clavicle, mastoid attachment
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Created by:
mlarke
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