EXAMPLES 



Example 1 



FEMALE, AGE 21 YEARS 



[ Weight of body = 62-0 kilograms 



Length of trunk = 88-8 centimetres 



Observations </-,.,. ,. , 



I Circumference of chest = 75-0 centimetres 



[ Vital capacity = 3630 cubic centimetres 



CALCULATION 



Weight derived from length of trunk (88-8 cm.) = 64-71 kilos 



(from Table VII.). 



Weight derived from circumference of chest (75-0 cm.) 

 = 59-16 kilos (from Table VIII.). 



Averaging 64 ' 71 + 59 ' 16 = 61-9 kilos, which is the normal 



weight corresponding to the observed length of trunk and 

 circumference of chest. 



Subtracting the calculated weight from the observed weight, 

 62-0 - 61-9 = +0-1 kilo. 



']n x 9 loc +o * 2% (or roughiy o%) - 



Therefore the person weighs exactly what she should weigh 

 according to the Tables. 



Since by the above calculation the person's weight is found 

 to be normal, the vital capacity as calculated from the observed 

 weight will be correct ; therefore 

 Vital capacity derived from weight of the body (62-0 kilos) 



= 3556 c.c. (from Table X., Class A). 

 Subtracting the calculated from the observed vital capacity, 

 3630 - 3556 = +74 c.c. 

 -u74. v inn 



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