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a&p > Muscles- Physiology > Flashcards

Muscles- Physiology Flashcards

1
Q

functions (7)

A

movement, stability, control of openings and passages, thermogenesis, hormone secretion, glycemic control

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2
Q

study of skeletal muscles

A

myology

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3
Q

endomysium

A

thin sleeve of loose connective tissue surrounding each muscle fiber

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4
Q

perimysium

A

thicker connective tissue sheath wraps muscle fibers together in bundles called fascicles

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5
Q

epimysium

A

fibrous sheath that surrounds the entire muscle

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6
Q

fascia

A

sheet of connective tissue that separates muscles from each other and SQ tissue

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7
Q

fusiform

A

biceps brachii

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8
Q

parallel

A

rectus abdominus

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9
Q

triangular

A

pectoralis major

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10
Q

unipennate

A

palmar interosseous

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11
Q

bipennate

A

rectus femoris

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12
Q

multipennate

A

deltoid

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13
Q

circular

A

orbicularis oculi

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14
Q

direct attachment

A

no visible tendon to naked eye, muscle seems to emerge from bone

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15
Q

indirect attachment

A

gap bridged by visible and palpable tendons

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16
Q

aponeurosis

A

broad sheath of tendon

17
Q

retinaculum

A

band of thickened deep fascia around a tendon to hold it in place

18
Q

intrinsic muscle

A

fully contained within a specific organ or region

19
Q

extrinsic muscle

A

not fully contained within specified organ or region but acting on it

20
Q

muscle action

A

movement produced by contraction of a particular muscle, or its role in preventing an unwanted movement; the function of a muscle

21
Q

prime mover

A

muscle that produces the most force in a given joint action (agonist)

22
Q

synergist

A

muscle that works with prime mover

23
Q

antagonist

A

muscle that opposes the prime mover

24
Q

fixator

A

prevents bone from moving

a&p (12 decks)

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