Bibliografi : halaman 243-245 ; Indeks : halaman 251-252 ; The critical factor of sports performance is the mental component. The mental or cognitive aspects of sports performance cannot separate from the physical or somatic; you must improve your training holistically.The body and mind are inseparably married; if one suffers, the other sympathizes. Dr. Sherwyn Woods mengatakan bahwa pelatih adalah model yang sangat potensial karena “... a coach symbolizes the strength, competence, mental, and masculinity the athletes are so desperately struggling to attain.” Your psychological skills will aid you in attaining your athletic potential.You cannot achieve if you do not believe you can achieve. “Change, and it will change you life,” karena itu “tanpa pembaharuan tak akan ada perubahan; dan tanpa perubahan tak akan ada kemajuan.”