muscular system Flashcards by Natasha Boopesh

Q

smooth muscle

A

involuntary, (helps w digestion and nutrients)

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Q

skeletal muscle

A

organized tissue made up of bundles of fasciculi

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Q

cardiac muscle

A

makes up thick middle layer of the heart

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Q

automaticity

A

contract without direct stimulation by nervous system

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Q

contractility

A

muscle cells forcefully shorter

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Q

elasticity

A

go back to muscles original length after being stretched

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Q

excitability

A

respond to stimuli

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Q

extensibility

A

muscle to be stretched

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Q

origin

A

attachment site that doesn’t move when muscle contracts

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Q

insertion

A

attachment site that moves when muscle contracts

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Q

strain

A

stretching/tearing of muscle or tendon

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Q

sprain

A

stretching/tearing of a ligament (that connects bone to bone)

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Q

adhesion

A

collagen fibers stick to tissue

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Q

atrophy

A

shrinking of muscle size

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Q

contracture

A

permanent tightening

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Q

hypotonia

A

less muscle tone

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Q

muscular dystrophy

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A

genetic disease by progressive muscular weakness

Q

tetany

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A

state of sustained muscular contractions

Q

spasm

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A

involuntary, sudden movement

Q

rigor (rigidity)

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A

muscular stifness

Q

tremor

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A

involuntary, repetitive shaking

Q

antispasmodic

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A

(drug) suppress smooth-muscle contractions

Q

analgesic

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A

relieves pain

Q

antipyretic

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A

reduces fever

anti-inflammatory

reduces inflammation

narcotic

depresses the central nervous systems

NSAID

group of drugs with analgesic

abduction

away from midline

adduction

toward midline

inversion

inward of the sole of the foot

eversion

outward of the sole of the foot

hyperextension

bending join/limb beyond normal extension

dorsiflexion

movement of sole of foot upward

plantar flexion

motion of plantar surface

elevation

raising body part

depression

lowering body part

extension

straightening limb after being flexed

rotation

movement of body part around longitudinal axis

pronation

palm faces downward (from rotation of forearm)

supination

palm faces upward (from rotation of the forearm)

circumduction

rotation of arm or leg