172 



METABOLISM DURING WALKING. 



BODY-TEMPERATURE DURING HORIZONTAL WALKING. 



There were 15 days of horizontal walking on which body-temperature 

 measurements were made with E. D. B., including in all 41 experimen- 

 tal periods. These walking experiments were all preceded by standing 

 experiments in which the body-temperature was likewise measured, 

 so that a daily comparison may be made between the standing and 

 horizontal-walking temperatures. These two series of data, which 

 are given in tables 6a and llo, pages 53 and 67, are summarized in 

 table 47, in which it is seen that the average temperature during the 

 successive walking-periods increased slightly, even though periods of 

 rest intervened between the periods. It likewise shows that the 

 variations in the average standing temperature were relatively slight 

 from day to day and that the difference between the average standing 

 temperature and the average temperature of the first walking-period 

 shows in several cases a loss. This loss in temperature may have been 



TABLE 47. Summary of body-temperature measiirements of E. D. B. in horizontal-walking 



experiments without food. 



due to the removal of the blanket from around the subject, with a con- 

 sequent increase in the loss of heat from the body-surface. (See p. 37.) 

 It may also have been due to a change in position of the thermometer in 

 the rectum, but the care used in inserting the thermometer to a definite 

 depth and the frequent balancing of the leads renders this less likely. 

 It is unfortunate that a blanket had to be used, but it was necessary 

 to protect the subject when he was not exercising. 



