Laboratory testing of the athlete is not a magical aid {or the Identification of future Olympic gold medali5ts (53). Although laboratory testing can provide valuable information concerning an athlete's Strengths and Weaknesses, this type of testing has limitations in that it is difficult to simulate in the laboratory the physiological and psychological demands of many sports.therefore, it is challenging to predict athletic performance from any single battery of laboratory measuremerits Performance in the field is the ultimate test of athletic success, and laboratory testing should be considered primarily a training aid for the coach and athlete (53).