452 VITALITY AND EFFICIENCY WITH KESTRICTED DIET. 



Table 102. — Comparison of the average pulse-rates of a group of 5 normal men and Squad B normal with 

 Squad B 20-day and Squad A 120-day diet, while sitting, standing and walking, and standing and sitting 

 after walking. 



^At 8 minutes. 



*At 7 minutes. 



^Average of 8-9 minutes. 



after 120 days of low diet and the five normals were both at the aver- 

 age preliminary sitting rate after 8 minutes, while Squad B normal and 

 Squad B 20-day vary from 5 beats below to 1 beat above the prelim- 

 inary sitting rate. 



From the data given in tables 138, 140, and 142, the percentage 

 change in the metaboHsm between standing and walking as shown 

 by the heat output may be computed. This corresponds to 215 per 

 cent for Squad B normal, 239 per cent for Squad B 20-day diet, and 

 215 per cent for Squad A 120-day diet, or the increase in the metabol- 

 ism with walking 70 meters per minute as compared with the metabol- 

 ism with standing is approximately alike for the normal and diet 

 squads at about 220 per cent. In contrast with this large percentage 

 increase in the metabolism it is seen from table 102 that the pulse-rate 

 increases more nearly 25 per cent for the diet squads and 10 per cent 

 for the normal squads. This contrast between the percentage changes 

 in the pulse-rate and the metabohsm which has been noted before in 

 connection with a series of walking experiments and which differ from 

 those found during muscular work on an ergometer^ will be discussed 



^Benedict and Murschhauser, Carnegie Inst. Wash. Pub. No. 231, 1915, p. 85. 



