Portion Distortion 1 1. How long will you have to rake leaves to burn the extra
ID: 1770629 • Letter: P
Question
Portion Distortion 1
1. How long will you have to rake leaves to burn the extra 210 calories? 130 pound person
Rake leaves for 50 minutes
2. How long will you have to lift weights to burn the extra 257 calories? 130 pound oerson
Lift 1 hour and 30 minutes
3. How long will you have to houseclean to burn the extra 525 calories? 130 pound person
Clean 2 hours and 35 minutes
4. How long will you have to walk leisurely to burn those extra 400 calories? 160 pounds
Walk 1 hour and 10 minutes
5. How long will you have to work in the garden to burn those extra calories? 160 pounds
Gardening 35 minutes
6. How long will you have to ride a bike to burn those extra calories? 160 pounds
Bike ride 1 hour and 25 minutes
Portion Distortion 2
1. How long will you have to walk to burn those extra 305 calories? 130 pounds
walk 1 hour and 20 minutes
2. How long will you have to vacuum to burn those extra 290 calories? 130 pounds
vacuum for 1 hour and 30 minutes
3. How long will you have to play golf (while walking and carrying your clubs) to burn those extra 350 calories? 160 pounds
golf 1 hour
4. How long will you have to walk the dog to burn those extra 400 calories? 160 pounds
walk the dog for 1 hour and 20 minutes
5. How long will you have to do water aerobics to burn the extra 360 calories? 160 pounds
do water aerobics for 1 hour and 15
6. How long will you have to play tennis in order to burn those extra 380 calories?
130 pound person
play tennis for 55 minutes
7. How long will you have to wash the car to burn those extra 220 calories? 130 pound person
wash car for 1 hour and 15 minutes
8. How long will you have to do aerobic dance to burn those extra 430 calories?
130 pound person
aerobic dance for 1 hour and 5 minutes
I have all the answers to my questions because they were given to me, however I want to know how to calculate the questions myself. Please help
Explanation / Answer
All the questions here involve some form of work to burn calories.
The question is how is it calculated.
Furthur notice that there is weight of person given with each activity's calorie burning.
Hence I will try to establish a crude relationship between the form of work and burning of calories as well as weight of the person.
Let us first take into account the weight factor.
The more you weigh, the more number of calories you lose in same form of work. This is beacuse you need more energy to lift your weight and move your heavier muscles. For example while running, you carry your weight forward, hence more the weight of the body, the more calories are burnt.
Note that there are also other factors involved like your age, metabolism, your gender etc.
Now each different activity has a different rate of average calorie burning. This is expressed in the formn of calories burnt with that activity over an hour. We always use this standard experimental data to calculate the value of calorie burnt per activity
We can also use (inspite of calories burnt per hour average) the heart rate due to doing that activity which is standard for all activities.
I am giving the formula for both and women.
For Men
Calories Burned = [(Age x 0.2017) — (Weight x 0.09036) + (Heart Rate x 0.6309) — 55.0969] x Time / 4.184.
For Women
Calories Burned = [(Age x 0.074) — (Weight x 0.05741) + (Heart Rate x 0.4472) — 20.4022] x Time / 4.184.