Diagnosis Of Effort Capacity By Metabolic Methods To Football Players, Junior Ii

Football is a sport that requires a strenuous exercise, frequently alternating between effort and recovery phases on a variable time basis. In football performance, the intensity of the physical effort has increasedand it must be maintained for a longer period of time, depending on the target. The effort characteristic to football game falls within the metabolic zones of higher aerobiosis (anaerobic threshold and VO2 max), interpenetrated by anaerobic metabolic zones (tolerance to lactic acid accumulation and power). During a football game, the metabolic systems are exerted as follows: 70% aerobic system, 15-20% anaerobic lactacid system and 10-15% anaerobic alactacid system (Cazorla G., 2002). The research premise starts from the idea that, by knowing/diagnosing the level of higher aerobic zone, we can influence the specific training preparation in order to increase exercise capacity during the game and achieve top performances. The research purpose is to know the level of higher aerobic exercise capacity for establishing the maximal potential of junior II football players. Setting the level of higher aerobic exercise capacity during training can provide football coaches with information/predictions regarding the team’s performance during the game, which represents the research hypothesis. The subjects are athletes registered at two football clubs entered in the Municipal Championship of Bucharest. For measurement/assessment, there are used the following specific tests: 5-minute endurance test, 240m endurance-speed test and maximal aerobic velocity (MAV)..