Foods

ENERGY BALANCE:   INTAKE VS OUTPUT

 1.  Lena would like to lose 10 lbs.

              a)   How many weeks should it take her?

               b)   What is the total Calorie deficit she needs to lose 10 lbs?

  2.   Lena calculated her daily intake to be 2200 calories.  She would like to lose 2 lbs a week. If

               she starts walking three times a week for 30 minutes, she will burn about 360 Calories

              per week.  How many calories must she reduce her diet by daily?

               _______________ -         360       =    _______________  ¸   7   =  _______________

                 Total Calories to lose                  Calories               Calories she must reduce              Calories she must reduce

                     2 lbs in one week                from walking                 her diet by weekly                              her diet by daily

              a)  Is this number (Calories she must reduce her diet by daily) realistic?  Explain

               b)  What would you suggest to Lena?

   3.  Jeff’s coach says he needs to gain weight.

              a)  How much weight should he try to gain each week?

              b)  What should he do to gain weight? 

   4.  For each of the following daily scenarios, would the person

 Lose, gain or maintain the same weight?   ·   How many lbs would he/she gain or lose per week?

 

	Lose? Gain?	lbs per week
a)  intake of 2000 calories; output 3000 calories
b)  intake of 2500 calories; output 2000 calories
c)  intake of 2500 calories; output 2500 calories

 

5.  You’ve been selected to go to a national swim team training camp for 6 weeks in the summer.  Explain the effect on your energy balance equation and what must you do to maintain your current body weight?