Determine Your Fat Needs First calculate your fat needs based on g/kg basis: A.

Question

Determine Your Fat Needs First calculate your fat needs based on g/kg basis: A. General needs: 1.0 g/kg g fat/day Endurance needs: 2.0 gkg g fat/day B. You can also determine your need based on calories left once CHO and protein needs are determined. Use your total daily calories from the estimating energy assignment; subtract your CHO kcal needs (select the CHO level estimated in the CHO section of this assignment which is appropriate for your activity type); subtract your protein calorie needs for your chosen training level. For example, if a and then y and 1650 are for CHO and 450 person needs 3000 calories per da 900 calories would be left for fat (3000- 1650-450 are protein calories, 900). C. Once you determine the calories are left for fat, determine: 1. How many fat grams this equals 2. Calculate what percentage of total calories this represents.

Explanation / Answer

Ans. #A. The body weight is assumed to be 50.0 kg (= 110.231 lb).

# General needs:       1.0 g/ kg         - it means 1.0 g fat is required per kg body weight.

= 1.0 g fat / kg body weight

            Total daily requirement = Rate of fat requirement x body weight

                                                = (1.0 g fat / kg body weight) x 50.0 kg body weight

                                                = 50.0 g fat

So, daily requirement of fat for a 50.0 kg student = 50.0 g fat/ day.

# Endurance needs:

            Total daily requirement = Rate of fat requirement x body weight

                                                = (2.0 g fat / kg body weight) x 50.0 kg body weight

                                                = 100.0 g fat

#B. Total energy requirement for a 20-year female student with body mass of 50.0 kg performing 3 exercises/ week is equal to 4246 Calories/ day.

Note: 1 dietary Cal = 1 kilocalorie

Use https://www.freedieting.com/tools/calorie_calculator.htm calculator or the formula given to you.

#C. 1. Given, for 3000 Cal/day, energy taken in form of fat is equal to 900 Cal.

So, Calorie intake in form of fat for a total daily requirement of 4246 Cal

= (900 Cal / 3000 Cal) x 4246 Cal

                                    = 1273.8 Cal

Using Calorific value of fat = 9.0 Cal/ g

Now,

Daily fat requirement = Calorie intake in form of fat / Calorific value of fat

                        = 1273.8 Cal / (9 Cal/ g)

                        = 141.5 g

#2. % of total Cal in form of fat = (Cal from fat / Total Cal requirement) x 100

                                    = (1273.8 Cal / 4246 Cal) x 100

                                    = 30.0 %

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