Recent biometric evidence that body weight is more closely correlated with chest-girth than with stature1 brings up anew the ancient questions as to technic.
The three levels cannot be entered on here save to state that the axillary has been generally discarded, the mammillary has been used by me in accordance with most medical men, and the xiphoid is very appealing for further study with reference to avoidance of the considerable pectoral muscle and gland tissue in men and women.
The moment of the respiratory cycle is the question aroused by the favor accorded by Dreyer2 to the variously called resting, relaxed, talking, normally breathing, and not expanded chest circumference. The brief evidence so far presented3 to indicate the inferiority of the resting girth to the halfway girth (arithmetical mean between the inspiratory and expiratory girths) has seemed to need amplification.
The subjects studied composed two
GRAY H. AGAINST MEASURING THE CHEST GIRTH AT REST. JAMA. 1922;79(5):349-350. doi:10.1001/jama.1922.02640050011004