muscular system week 1 basics Flashcards

(24 cards)

1
Q

define muscular hypertrophy

A

enlargement of existing muscle fibers due to increased production of myofibrils, mitochondria, sarcoplasmic reticulum, and other organelles

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2
Q

what is the function of skeletal muscle

A
  • body movement
  • stabilizing body positions
  • facial expressions
  • generating heat
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3
Q

where is the fascia located

A

underneath the hypodermis

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4
Q

what is fascia made of

A

dense irregular connective tissue

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5
Q

what is the function of fascia

A

it carries nerves, blood vessels, and lymphatic vessels

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6
Q

what is sarcolemma

A

plasma membrane of muscle fibers

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7
Q

where is the sarcolemma located

A

deep to endomysium

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8
Q

what does sarcolemma do

A

it conducts action potentials and is continuous with t-tubules

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9
Q

what does the agonist do

A

prime mover

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10
Q

what does the synergist do

A

helps the agonist

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11
Q

what does the antagonist do

A

works against the agonist

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12
Q

what does the fixator do

A

stabilizes the origin of the prime mover

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13
Q

define rectus

A

fibers run parallel to midline

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14
Q

define transverse

A

fibers run perpendicular to the midline

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15
Q

define oblique

A

fibers run diagonal to the midline

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16
Q

define maximus

17
Q

define minimus

18
Q

define longus

19
Q

deltoid

A

triangular shape

20
Q

rhomboid

A

diamond shape

21
Q

trapezius

A

trapezoid shape

22
Q

biceps

23
Q

triceps

A

three origins

24
Q

quadriceps