Academy of Sciences 

 No. 3] 



MEASUREMENTS 



73 





Ear Index 



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Still another matter that forces itself on one's attention in this connection is the necessity 

 in all anthropometric determinations of constant attention to stature and age, the two great 

 modifiers of all dimensions. 



The Chest 



The measurements of the chest are not merely of somatological but also of considerable 

 medical importance. The best determinations on the chest, as shown by experience, are the 

 two diameters, the lateral and the anteroposterior, taken at the level of the nipples in man — and 

 at a corresponding plane in the females — and at right angles to the axis of the thorax. 40 Here 

 once more stature and age have their influence, but in addition the thorax alters also through 

 different prolonged muscular effects or occupation, through the effects of habitual posture, and 

 through pathological conditions, particularly rachitis and early tuberculosis. 



*° Both diameters taken with broad-branched calipers (see writer's Anthropometry), at right angles to the axis of the thorax and recorded at 

 mid-value between inspiration and expiration, with subject in a posture that removes all muscular tension. 



