Athletic exercises have, during late years, grown into an institution. Race grounds exist throughout England records are broken from year to year the performance thought so much of last year has been beaten this. It would seem that for the performance of these exercises great, and in some instances unnatural, strain must be imposed upon the tissues of young athletes and when in training, does it ever occur to them that very often, owing to a lack of knowledge of themselves, they may be training in a manner rather suited to devitalize than to strengthen their systems.