In article results of researches of authors on justification of the psychology and pedagogical conditions necessary for development of physical qualities in female cadets of medical schools with use of fitness are presented in article. These conditions are: selection of means of fitness most of which affect efficiency of development of physical qualities in female cadets of medical schools; justification and development of model of a training for fitness classes; development of the program of fitness classes for female cadets of medical schools; application of individual approach to female cadets of medical schools during fitness classes. Significant conditions are: development of objective criteria for evaluation of quality of fitness classes for female cadets; maintenance at female cadets of medical schools of constant interest in fitness classes.