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chapter 10 Flashcards

(10 cards)

1
Q

what happens to your CM relative to your body and the ground if you ABD one arm when;

  • on ground
  • floating
A

on ground: to body = increase, to ground = increase

floating: to body = increase, to ground = same

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2
Q

what happens to your CM relative to your body and the ground if you ABD two arms when;

  • on ground
  • floating
A

on ground: to body = increase, to ground = increase

floating: to body = increase, to ground = same

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3
Q

what happens to your CM relative to your body and the ground if you ABD one leg when;

  • on ground
  • floating
A

on ground: to body = increase, to ground = increase

floating: to body= increase, to ground = same

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4
Q

what happens to your CM relative to your body and the ground if you ABD two legs when;

  • on ground
  • floating
A

on ground: to body = increase, to ground = decrease

floating: to body = increase, to ground = same

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5
Q

what happens to your CM relative to your body and the ground if you ABD both arms/legs when;

  • on ground
  • floating
A

on ground: to body = increase, to ground = decrease

floating: to body = increase, to ground = same

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6
Q

what happens to the distance btwn your headd and CM and the ground while floating when you ABD:

  • one arm
  • two arms
  • one leg
  • two legs
  • both arms/legs
A

all decrease distance btwn head and CM and head and ground

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7
Q

factors affecting max vertical displacement

3 of them

A
  • vertical velocity of CM at take off
  • height of CM relative to ground should be max efore take off
  • vertical distance of fingertips relative to CM at peak height
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8
Q

how do you max height of CM to ground before take off when you want to max vertical displacement

A

-flex arms 180 degrees

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9
Q

how do you max vertical distance btwn fingertips relative to CM during peak height when you want to max vertical displacement

A

abduct one arm as CM appraoched peak trajectory

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10
Q

factors affecting max horizontal displacement

3 of them

A
  • vertical velocity at take off
  • height of CM at take off
  • position of segments relative to CM and bar
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