Muscle Module 5 Flashcards

1
Q

Muscle types can be classified in two ways

A

metabolic types

contractility types

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2
Q

what are the metabolic types

A

oxidative, glycolytic, oxyglylitic

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3
Q

what are the contractility types

A

twitch and titanic force

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4
Q

This is regularly a rapid change in

A

atp needs with muscle contraction

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5
Q

What is the typical ATP concentration inside a cell and how quickly does it burn

A

The concentration of ATP is 5mm and it take 5 secs to burn

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6
Q

___________ phosphate stored in muscle fibers and it gives up a high energy phosphate transfer it to ADP to generate ATP

A

high energy phosphate system

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7
Q

____________ is catalyzed by creative phosphokinase

A

high phosphate system

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8
Q

______________ is where glycogen is metabolized to generate ATP

A

anaerobic metabolism or glycolysis

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9
Q

what are the key features of anaerobic metabolism

A
  • no O2 required
  • fast
  • low yield ATP/ glucose
  • rapidly depleted
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10
Q

_______________ is where glucose can be used to generate ATP

A

Aerobic metabolism

oxidative phosphorylation

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11
Q

what are the key features of Aerobic metabolism

A
  • requires O2
  • high yield- 3 ATP and glucose
  • relatively slow
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12
Q

_______________ oxidative phosphorylation, plentiful O2

A

aerobic muscle fibers

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13
Q

Having plentiful O2 molecules means that

A
  • well developed vascular system, mitochondria,

- high O2 binding sites myoglobin and hemoglobin

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14
Q

______________:

  • glycolysis
  • high levels of glycogen
  • low O2 and O2 binding molecules
A

aerobic muscle fibers

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15
Q

___________ are larger in diameter and white from lacking O2

A

anerobic muscle fibers

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16
Q

____________ are small in diameter and fatigue resistant and are red from O2 richness

A

aerobic muscle fibers

17
Q

______________ does not favor glycolysis oxidative phosphorylation

A

intermediate oxidative/ glycolytic

18
Q

division by speed of contraction

A
  • slow MHC

- Fast MHC

19
Q

For V max

A

Type 1: slow
Type 2a: fast
Type 2b: fast

20
Q

glycolytic activity

A

Type 1: low
Type 2a: med
Type 2b: high

21
Q

oxidative

A

Type 1: high
Type 2a: med
Type 2b: low

22
Q

fatigue resist

A

Type 1: high
Type 2a: med
Type 2b: low

23
Q

diameter

A

Type 1: small
Type 2a: med
Type 2b: large

24
Q

mitochondria

A

Type 1: many
Type 2a: many
Type 2b: fewer

25
Q

sarcoplasmic reticulum development

A

Type 1: low
Type 2a: high
Type 2b:most

26
Q

Ca 2+ pump

A

Type 1: low
Type 2a: high
Type 2b:high

27
Q

changes in muscle use leads to ______________

A
metabolic changes 
(changes in mitochondria 
changes in glycogen 
changes in cross section
28
Q

There will be no changes in muscles

A
  • no change fiber number
  • no change in MHC gene expression
  • no change in fiber type
29
Q

there are how many fibers in one contraction

A

2 fast fibers

1 slow fiber