Adaptation (from the Latin for "to adapt") - adaptation of organism, personality, their systems to the nature of the individual effects or to changed conditions of life in General. The concept of adaptation originated in the ??? century and was used mainly in biology. Then this concept is applied not only to various aspects of living organisms, but also to the individual and even the collective behavior. Now the issue of adaptation has attracted the attention of specialists in different fields: engineers and teachers, sociologists and psychologists. The concept of adaptation is a General science that is used by representatives of various sciences and promotes the synthesis and integration of knowledge related to the study of its various objects. This concept is widely entered the field of sports training and competition activities. It will be in theory and methodology of sports, sports physiology and morphology, biochemistry, kinesiology, psychology. William cannon was the one who coined the term "homeostasis" in the scientific lexicon to determine the constancy of the internal environment. The preservation homeostasis is achieved at the expense of the process of adaptation in the process of interaction of the organism and the environment. Based on "homeostatic" ideas of F.B. Berezin notes that the process of adaptation is realized whenever there are significant changes in the system "organism - environment", and provides the formation of a new homeostatic state that allows you to achieve maximum efficiency of physiological functions and behavioral reactions. 
 
Keywords: Adaptation; Training; Psychology; Exercise