Exercise at high altitudes 



269 



The dissociation curves are given in Fig. 129 and were, as in 

 Roberts' case, almost identical at Col d'Olen and at Carlingford. 



100 



90 



80 



70 



60 



50 



40 



30 



20 



10 



10 20 30 40 50 60 70 80 90 100 



BARCROFT 



Mesectic 



Meionectic 



CARLINGFORD 



1000' in 30 mins, 



BARCROFT 

 -Mesecfic 



Meionectic 



COL D'OlEN 

 1OOO in 45 mins 



+ 



100 



90 



80 



70 



60 



50 



40 



30 



20 



10 



10 20 30 40 50 60 70 80 90 100 



FIG. 129. Showing approximately equal change in the dissociation curve as the result of 

 1000 feet climb near sea-level in 30 minutes and in the high Alps in 45 minutes. 



