[Determination of the optimum of physical loading in relation to the maximum potentialities of the body].

Determination of the maximum capacity of work is essential for prophylaxis, and is closely related to the problems of scientific organization of work still awaiting solution. The maximum oxygen consumption among female textile workers ranges between 2.2 1/min and 1.6 1/min, while the reak heart rate--from 167 to 153 beats per minute. Allowable physical exertion among female textile workers should not exceed 3.5 kcal/min.