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ANAPHY > MUSCLE SYSTEM > Flashcards

MUSCLE SYSTEM Flashcards

1
Q

what are 3 basic muscle types

A
  1. skeletal
  2. cardiac
  3. smooth muscle
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2
Q

attached to the skeleton, striated, voluntary

A

skeletal muscle

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3
Q

heart muscle, striated, involuntary

A

cardiac muscle

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4
Q

what are the 4 muscle functions

A

*produce movement
*stabilize joints
*maintain posture & body position
*generate heat

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5
Q

ability to forcibly shorten when an adequate stimulus is received

A

contractility

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5
Q

4 functional properties of skeletal muscle activity

A

*irritability (responsiveness)
*contractility
*extensibility
*elasticity

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6
Q

ability to receive and respond to stimulus

A

irritability

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7
Q

ability of muscle cells to be stretched

A

extensibility

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8
Q

ability to recoil and resume resting after

A

elasticity

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9
Q

term for muscle fiber

A

cell

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10
Q

term for sarcolemma

A

plasma membrane

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11
Q

term for sarcoplasm

A

cytoplasm

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12
Q

wraps muscle fibers individually

A

endomysium

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13
Q

terms for myofilament

A

microfilament

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14
Q

________ give the muscle is striated (banded) appearance

A

myofibrils

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14
Q

wraps the bundle of muscle fibers

A

perimysium

15
Q

bundle of muscle fibers

A

fascicle

16
Q

long organelles inside muscle cell composed of bundles of myofilaments

A

myofibrils

16
Q

wraps the entire muscle

A

epimysium

17
Q

chemical released by nerve upon arrival of nerve impulse in the axon terminal

A

neurotransmitter

17
Q

skeletal muscles must be stimulated by a ________ to contract

A

motor neuron

17
Q

one motor neuron and all the skeletal muscle cells stimulated by that neuron

A

motor unit

18
Q

primary responsible for producing a particular motion

A

prime mover/agonists

18
Q

where axon terminal and muscle connect or associate

A

neuromuscular junction

18
Q

*muscles that oppose a particular movement
*helps provide resistance and produce more delicate motion

A

antagonist

18
Q

*synergists that help immobilize a bone
*includes muscles that maintain our posture

A

fixators

18
Q

*gap between nerve and muscle filled
*although very close, the nerve and muscle do not make contact

A

synaptic cleft

19
Q

*muscles that help prime movers and stabilize motion
*helps agonists by contributing additional force or by reducing undesirable movements
*stabilizers

A

synergist

20
Q

the ________ is adjacent to the temporal bone

A

temporalis

21
Q

the trapezuis is roughly ___________

A

trapezoidal

22
Q

can run in a particular direction with references to some line (ex: midline of the body, long bone)

A
23
Q

*have two origins
*have three origins
*have four origins

A

biceps, triceps, quadriceps

23
Q

the rectus femoris runs _________ parallel to long axis of the femur

A

parallel

ANAPHY (4 decks)

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