Work Physiology
What units does VO2 need to be in order to calculate calories burned during a bout of exercise?
Absolute or L/min
How many calories are there in 2 grams of protein?
8 kcal
Blood passes from the vena cava into the:
Right Atrium
True or False: Heart Rate decreases as we age
True
Where is fat stored in the body?
Adipose Tissue or Subcutaneous/Visceral fat
Who is working harder?
Mike is 65 kgs, running with a VO2 of 2.5 L/min
Mark is walking up a hill at 9 METs
Mike: 10.9 METs (convert to rel VO2, divide by 3.5)
Mark: 9 METs
Order the fats from most to least unhealthy:
Polyunsaturated, Trans fat, Monounsaturated, Saturated
Polyunsaturated, Monounsaturated, Saturated, Trans
What is the site of gas exchange in the lungs?
Alveoli or Respiratory Zone
Does VO2 max increase with long term aerobic training?
Yes
Name 3 functions of subcutaneous fat
Insulation, Energy Storage, Cushioning
How do we calculate work rate on a cycle ergometer? (give ALL units)
Work Rate = R (kg) x D (m) x Rev/min
Glucose and Glucose
What is a-v02 difference?
Oxygen used by the muscles, or O2 concentration lost from arterial circulation to venous circulation.
What is the equation for cardiac output?
Q = HR x SV or Q = HR x PP x 2
Is subcutaneous or visceral fat more correlated with health complications?
Visceral fat is a stronger indicator of health risk
Divide by time (kgm/time)
Which of the following would cause the greatest spike in insulin after eating?
a) Nuts
b) Whole Milk
c) Apples
d) Oatmeal
d) Oatmeal
End diastolic volume is measured the moment before this valve opens.
Aortic
Does blood flow increase during exercise?
Yes
What is Hyperplasia?
The creation of new adipose cells
What does kpm stand for?
kilopond-meter
Give 3 examples of complete proteins, excluding meat
Soy, Eggs, Cheese, Milk
Name one of the two areas of the brain that control or modulate breathing rate
Ventral/Doral Respiratory Group
Why does plasma volume increase during exercise?
Plasma Volume decreases during exercise
Name 3 ways to measure body composition.
DEXA, Hydrostatic weighing, Air Displacement, Biodex (electricity), Skin Fold