METABOLISM WITH GRADE WALKING. 



211 



CO 

 CD 

 3 



s 



"3 



.2 

 in 



r * 



os 



CN 

 CM 



<u 



8 



A - 



-i 



al 



'& 



T3 0) 



CO CO 



flOJ 



"3 



<B <O 



bO to 



a cs 







D as 



