382 



BUREAU OF AMERICAN ETHNOLOGY 



III. Indian Adults — Continued 



[BULL. 34 



Table 7. Tests of muscular strength, in kilos — Continued 



(/) YUMA 



MALE 



Record no. 



Age. 



Pressure. 



Right Left 

 hand. hand. 



Age: 20 to 30 years 



Age: 30 to 40 years 



Average... 

 Minimum. 

 Maximum . 



55.0 

 34.0 

 53.5 

 45.5 



47.0 

 34.0 

 55.0 



36.5 

 30.0 

 40.0 

 40.0 



36.6 

 30.0 

 40.0 



Trac- 

 tion. 



31.5 

 21.0 

 26.0 

 25.0 



SS.9 

 21.0 

 31.5 



Record no. 



Age. 



Pressure. 



Right Left 

 hand. hand. 



Age: 40 to 50 years 



Age: 50 to 60 years 



Average... 

 Minimum. 

 Ma.ximum . 



47.5 

 46.0 

 42.0 

 29.5 



41. S 

 29.5 

 47.5 



29.0 

 40.0 



Trac- 

 tion. 



40.0 ' 33.0 



37.5 : 31.0 



36.5 32.0 



29.0 13.0 



27. S 

 13.0 

 30.0 



