Term
| How many metabolic calculation questions should be expected on the exam? |
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Definition
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Term
| What will NOT be provided on the examination and thus should be committed to memory? |
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Definition
| Unit conversion factors and energy equivalency factors. |
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Term
| What is absolute oxygen consumption? |
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Definition
| The rate at which oxygen is consumed by the whole person expressed in Liters per minute (L.min[to the -1 power) or milliliters per minute. |
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Term
| What is resting absolute oxygen consumption for a 70kg person? |
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Definition
| Approximately .245 L.min-1 |
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Term
| How high could maximal absolute oxygen consumption be in highly trained aerobic athletes? |
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Definition
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Term
| Why is absolute oxygen consumption useful? |
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Definition
| Because it allows for an estimation of caloric expenditure. |
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Term
| One liter of O2 consumed expends how many calories? |
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Definition
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Term
| What is relative oxygen consumption? |
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Definition
The rate of oxygen consumption relative to body weight measured in mL.kg-1..min-1
In other words, it is the volume of oxygen consumed per kilogram of body weight every minute. |
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Term
| What is the resting relative oxygen consumption always assumed to be? |
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Definition
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Term
| In highly trained aerobic athletes, a maximal relative oxygen consumption may be as high as what? |
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Definition
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Term
| What is the formula to calculate VO2 when walking? |
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Definition
VO2 = (.1 x S) x (1.8.S.G) + 3.5
S=Speed, G=Grade |
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Term
| What is the formula to calculate VO2 when running? |
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Definition
| VO2 = (.2xS)x(1.8xSxG)+3.5 |
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Term
| What is the formula to calculate VO2 when doing leg ergometry? |
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Definition
VO2 = (10.8xWxM to the -1)+7
W= watts
M= mass |
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Term
| What is the formula to calculate VO2 when doing arm ergometry? |
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Definition
| VO2 = (18.W.M to the -1) + 3.5 |
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Term
| What is the formula to calculate VO2 when stepping? |
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Definition
VO2 = (.2xf)x(1.33x1.8xHxf) + 3.5
f=frequency of steps H=step height in meters. |
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Term
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Definition
| 1 met equals resting relative oxygen consumption (which is 3.5mL.kg-1.min-1) |
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Term
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Definition
| By dividing relative oxygen consumption by 3.5 |
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Term
| How is Gross VO2 calculated? |
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Definition
| the sum of the oxygen cost of physical activity and the resting component. |
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Term
| How is net VO2 calculated? |
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Definition
| net VO2=gross VO2 - resting VO2 |
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Term
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Definition
| Know how to fill in the chart on page 218 |
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Term
| How do you calculate the absolute oxygen consumption equivalent to 10 METs for a 154lb male? |
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Definition
| Multiply MET value by 3.5 to convert METs to relative VO2, then multply the product (35mL.kg-1.min-1) by body weight in kg (154=70KG) |
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Term
| What is the equivalent total caloric expenditure of 2.5 lb of body weight? |
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Definition
| multiply 2.5 x 3500. 8,750kcal |
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Term
| A 70 kg male expends 7.5 kcal/min while exercising. What is the equivalent MET value? |
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Definition
1500mL/min / 70kg = 21.4mL/m
21.4mL/min / 3.5 = 6.1 METS |
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Term
| Using the ACSM walking formula, you calculate gross VO2 of 13.0mL.kg-1.min-1. What is the net oxygen uptake? |
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Definition
| Just resting from gross. It equals 9.5 |
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Term
Convert the following values to the desired units.
1.5 m to cm
59.1 in to m
70 kg to lbs
6.0 mph to meters per minute
50 RPM on the Monark leg ergometer to meters per minute. |
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Definition
1500 cm
59 x 0.0254 = 1.5m
154 lbs
6.0 x 26.8 = 160.8m/min
50RPM x 6 = 300m/min |
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Term
| What are practical uses for the ACSM metabolic energy expenditure formulae |
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Definition
It allows for an estimate of the energy expenditure and caloric expenditure associated w/ exercise.
It will also allow the health/fitness professional to develop more effective exercise prescriptions. |
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Term
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Definition
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Term
| What speeds do the walking formula apply to? |
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Definition
| 50 to 100 m/min or 1.9 to 3.7 mph |
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Term
| How do you calculate METs when walking horizontally? |
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Definition
| (meters per minute x 0.1) + speed |
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Term
| How do you calculate METs when walking on an incline? |
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Definition
| Grade of the treadmill multiplied by speed of the treadmill multiplied by 1.8 |
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Term
| What speeds do the running formula apply to? |
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Definition
| anything above 134m/min (5mph) |
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Term
| How do you calculate METs when running horizontally on a treadmill? |
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Definition
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Term
| How do you calculate METs when running on an incline? |
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Definition
| Speed of treadmill in m/min x .9 x functional grade. |
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Term
| What is work rate also known as? |
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Definition
| power output or workload. |
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Term
| How is work rate calculated on a cycle ergometer? |
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Definition
| work rate = force x velocity |
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Term
| How is velocity calculated on a Monark cycle ergometer and a Tunturi or BodyGuard |
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Definition
multiply rpm 6m for Monark
multiply rpm by 3m for other two. |
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Term
| Work rate can also be expressed in watts. |
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Definition
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Term
| How is work rate calculated on a Monark arm ergometer? |
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Definition
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Term
| To what work rates do the leg cycling formula apply? |
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Definition
| Between 1,200 kg.m/min or 50 to 200W |
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Term
| What is the formula for Oxygen cost of loaded leg cycling? |
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Definition
| 10.8 x work rate (in watts)/body weight in kg. |
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Term
| Remember the Gneral Structure: ACSM Leg and Arm Ergometry Formulae. |
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Definition
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Term
| What is the oxygen cost of unloaded leg cycling? |
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Definition
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Term
| The arm cycling formula applies to work rates between ___ and ___ kg.m.min-1 or __ to ___ W. |
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Definition
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Term
| How is the oxygen cost of loaded arm cycling calculated? |
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Definition
| 18 x work rate (in watts)/body weight in kg. |
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Term
| True or false? Arm cycling does not incur an oxygen cost of unloaded cycling? |
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Definition
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Term
| Remember ACSM Stepping formula chart. |
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Definition
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Term
| For what is the formula for stepping rates appropriate? |
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Definition
| rates between 12 and 30 steps/min and heights between .04 and .4 m. |
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Term
| What is the horizontal component in stepping? |
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Definition
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Term
| What is the vertical component in stepping? |
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Definition
| 1.33x1.8xstep height x stepping rate. |
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Term
| Reread "Using a Systematic Approach" several times. |
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Definition
Remember that some questions may be solved without the use of a metabolic formula.
Make necessary conversions. |
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Term
| convert miles per hour to meters per minute. |
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Definition
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Term
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Definition
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