662 VITALITY AND EFFICIENCY WITH RESTRICTED DIET. 



is not localized in the legs, but is general." January 12: The experimenter 

 said, ''Well, you feel bully to-night, don't you?" Reply "No! not bully by 

 a long ways. I am weak, weaker than before vacation, or I notice it more. I 

 returned to college at my prescribed weight." February 8: "There is no 

 weakness now. I can do my physical work better." 



Moy. — November 10: "Doing the same amount of work as usual, but 

 have felt more tired after it." November 24: "Perfectly normal, only that 

 in going upstairs, legs are decidedly weak." December 8: "Feel normal in 

 every way." January 12: "I have no 'pep' at all; can hardly drag around; 

 felt all right ju,5t after I came back from vacation." At no time during the 

 first part of the experiment did he feel the weakness so much as in the reduc- 

 tion period following vacation. February 2: "In general, there was consider- 

 able weakness during those periods when the weight was actively being 

 reduced. At other times there was not nearly as much difficulty." February 

 8: "No feeling of weakness now. In gymnasium work the past few days, I 

 felt 'logy' and sleepy from overeating. Now, when lying or standing, I notice 

 the difference in breathing; seem to breathe deeper, and not so many short 

 breaths as when on diet." May 21: "Notice definite difference between 

 physical condition now and when I was on diet. To-day I was swimming in 

 the lake; after the swim I ran up the hill, a rise of 50 or 60 feet, and then on 

 up to the top floor in the dormitory, which meant climbing three flights of 

 stairs. Upon reaching the top floor, I was of course out of breath, but I had 

 none of the feelings of weakness which I previously reported as characteristic 

 of the diet period. At times during the experiment in going upstairs I felt 

 like putting my hands on my knees and pushing with each step to help myself 

 up, particularly when I went slowly. When on the experiment if the diet 

 squad men had hard gymnasium work, such as iron dumb-bells and iron 

 wands, before the exercises were over, they began to slow up and felt fatigued. 

 They simply could not push out the weights, and would skip a few counts. 

 After the period of uncontrolled diet, the conditions were very different. 

 Men were able to do these things without feeling the same fatigue as before. 

 The change was also marked in my case in swimming. I think men on a diet 

 such as we had would not make very good soldiers. They certainly would 

 not feel like going 'over the top'." 



Pea. — October 27: Not tired from the 5-mile run this morning. Novem- 

 ber 10: Legs somewhat weak in the cross-country race this morning. At 

 times, does not feel able to do cross-country work. Muscles of legs have 

 pained him some lately. November 24: Finds that he is weak on the indoor 

 gymnasium work. Until now he has only been doing running this year; 

 recently on one evening he boxed 20 minutes, wrestled for 20 minutes, ran a 

 2-mile race in 10 minutes, and felt very good afterwards. "With me the 

 more exercise the better, but I feel the weakness in the legs reported by the 

 other men." December 8: Still has weakness in the legs. December 12: 

 "This morning is the first time in two months that I have been able to run 

 up all the flights of steps to the fourth floor two steps at a time. I feel fine." 

 December 19: Physically never felt better than during last 10 days; not 

 bothered about going upstairs now. In gymnasium apparatus work, how- 

 ever, he has no strength in his arms. No desire for diving and swimming, as 

 he usually has. January 26: During last fortnight has not felt nearly as well 

 as before Christmas. Tired and weak most of time, having the same amount 

 of exercise as before Christmas. He cannot perspire with any kind of exer- 

 cise now. February 2: "In the cross-country running in the fall I noticed 

 hardly any change, except in lack of ability to sprint at the end of the race. 



