Option B Flashcards

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1
Q

Define flexibility

A

Suppleness, the ability to carry out a range of movement w/o stiffness/pain.

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2
Q

Define strength.

A

Idk

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3
Q

Define agility.

A

Ability to change directions efficiently.

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4
Q

Define speed.

A

How much distance is covered in a certain time.

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5
Q

Define stamina.

A

Endurance– ability to sustain an effort over a longer time.

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6
Q

Define fitness.

A

The physical condition of the body which suits it to the particular exercise which it performs: (2 types)

  • health-related
  • performance-related
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7
Q

Define VO2.

A

Oxygen uptake @ any time.

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8
Q

Define VO2 max.

A

HIGHEST POSSIBLE oxygen uptake for someone.

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9
Q

Blood doping V. EPO

A
  • Blood doping: blood that’s injected for extra erythrocytes.
  • EPO: erythropoietin, hormone made in kidney and stimulates bone marrow to make more erythrocytes.
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10
Q

Define stroke volume.

A

Volume of blood pumped OUT with each CONTRACTION of the heart.

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11
Q

Define cardiac output.

A

Volume of blood pumped OUT of the heart PER MINUTE.

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12
Q

Define venous return.

A

Volume of blood RETURNING to the heart (via veins) PER MINUTE.

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13
Q

Define heart rate.

A

of CONTRACTIONS of heart PER MINUTE.

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14
Q

Define tidal volume.

A

Volume of air taken in/out with each inhalation/exhalation.

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15
Q

Define ventilation rate.

A

of inhales/exhales PER MINUTE.

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16
Q

Define total lung capacity.

A

Volume of air in the lungs after a MAX INHALATION (how much you got)

17
Q

Define vital capacity.

A

MAX volume of air that can be EXHALED after a MAX INHALATION. (How much you got after a vital situation like DROWNING.)

18
Q

What happens when sarcomere contracts? (Visually)

A
  • Z lines distance = SHORTER, bc myosin and actin have SLID over each other
  • I band and H zone = SMALLER
19
Q

Outline relationship b/w intensity of exercise, VO2, & the proportions of carb and fat used in respiration.

A

If exercising:
- Below 50% of VO2 max, FATS are used for energy.
- Higher intensity = CARBS
- Beyond VO2 max = ANAEROBIC resp
(Fats need more O to metabolize than carbs)