The results of a study on the muscular efficiency of a group of patients with diabetes mellitus are presented. Ordinarily, in following cases it is customary for the patient's physician to examine the blood and urine for sugar by quantitative methods, to measure objectively loss or gain in weight and tolerance but to rely on symptoms for a record of loss or gain in physical strength and sense of well-being. Since physical weakness is one of the commonest symptoms of diabetes, and one of its most devastating features from an economic point of view, we thought it important to determine by quantitative methods how weakening a process diabetes may be and to find out what modern methods of treatment can accomplish in the physical reconstruction of sufferers with this illness.
Williams1 has already studied the problem of muscular efficiency in diabetes by means of the Colin dynamometer. He has shown