Cinch is a 24 year old 6 feet 220 pound, sedentary male. Diet Analysis revealed

Question

Cinch is a 24 year old 6 feet 220 pound, sedentary male. Diet Analysis revealed Cinch's average caloric intake for three days was 6000 Calories and he's maintaining his current body weight. He's also averaged 900 grams of carbohydrate, 166 grams of fat, and 226 grams of protein for that three-day period. Cinch used to rodeo pretty hard and is a fairly strict vegetarian, spanning the gamut from vegan to lactovegetarian to lactoovovegetarian depending on his current mood. He also has a strong aversion to alcohol and various forms of tabacco. His vitamin B12 intake averaged 0.24 g/day. Cinch's recommendation for B12 is 2.4 g/day. The formula for BMI is: weight (lbs) x 703/height (inches)2. Please put all of your answers at the end of this case study in the answer sheet provided. Submit the answers right here in WyoCourses.

1. What is Cinch's body mass index?

2. How many calories would Cinch expend in 24 hours at rest (in other words, what is Cinch's basal metabolic rate (BMR)?

3. What percentage of Cinch's total Calories came from: a. protein, b. carbohydrate, and c. fat?

4. Why was Cinch's percent RDA of vitamin B12 so low?

5a. After several tries, Cinch successfully completes an underwater weighing body test. He weighs 100kg on a scale on land and 5kg on the scale in the underwater weighing tank. His body density is 1.053 g/ml and his body fat percentage is 20.25%. How many pounds of adipose tissue does Cinch have?

5b. How many pounds of lean tissue and water does Cinch have?

7. After body composition by underwater weighing, Cinch decides he wants to lose 15 pounds. If he exercises two days each week and expends a net total of 500 calories each week and eats 500 fewer calories per week, how long should it take him to lose the 15 pounds?

8a. Assume Cinch decides to get his exercise by joining a water aerobics class (he has bad knees from steer wrestling and won't do synchronized swimming because he refuses to wear those funny looking nose plugs). He exercises for 60 minutes and has a gross energy expenditure of 10 Calories per minute. What is Cinch's gross caloric expenditure?

8b. What is Cinch's net caloric expenditure?

9a. Cinch has some money to spend and wants to invest in some fancy protein powder and creatine (it's about $75.00 for a 6 pound tub unless he can find a good coupon). Would you recommend Cinch spend his hard earned money on this supplement (Cinch works for a fencing company. His forearms are very strong, and he can almost rip a phone book in two)?

9b. Why or why not?

Explanation / Answer

ANNSWER 1:

Body mass index = weight (lbs)*(703/height (inches)^2)

weight of Cinch = 220 lbs

height of Clinch = 6 feet = 72 inches

BMI = 220 *(703/72^2 )

BMI = 29.83 lbs/inches2

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