Jim, a 21-year-old, medium-frame 6’2” senior weighing in at 205 lbs is a very active varsity wrestler majoring in psychology. He is participating in a “Hydration Study” that includes the collection of the following data: body composition analysis utilizing the Bod Pod®, food/beverage intake via dietary assessment questionnaire, urine sample, and analysis of saliva. The following data

Question

have been provided to assist in answering the questions.

Bod Pod® Results:
59% body water
86.7% lean mass
13.3% fat mass

Reference Values for Bod Pod®:
Risky (high body fat) = men: >30%; women: >40%
Excess fat = men: 21%-30%; women: 31%-40%
Moderately lean = men: 13%-20%; women: 23%-30%
Lean = men: 9%-12%; women: 19%-22%
Ultra lean = men: 5%-8%; women: 15%-18%
Risky (low body fat) = men: <5%; women: <15%

24-Hour Recall:
3540 kcalories
177 grams protein
118 grams fat

Males: EER = 662 - [9.53 x Age (y)] + PA x [(15.91 x weight in kg) + (539.6 x height in m)]
PA Values: Sedentary = 1.0, Low Active = 1.11, Active = 1.25, Very Active = 1.48
It is the end of summer and Jim realizes that he has gained 10 lbs. What would be the best approach for Jim to take to maintain muscle mass and promote fat loss?
a. He should go on a low-fat diet, since those on low-fat diets lose the most.
b. He should go on a low-carbohydrate diet, since those on low-carbohydrate diets lose the most.
c. He should increase his activity level.
d. He should increase his activity level and reduce his kcalorie intake

Answer 1

d