Modern football requires endurance and excellent fitness from football players. In order for a player to develop into a professional soccer player, condition training must begin already in the youth selections through various methods and forms of fitness training and continue even at an older age. With young football players, through exercises, motor and functional abilities are trained in accordance with their physical and psychological development, which are closely related to the technical and tactical knowledge of football. The condition coach must adjust fitness preparations to both groups and individuals within the team. The basic motor skills that a football player must master are strength, speed, mobility, coordination, precision and balance. Each football player, through a combination of different forms and methods of conditioning, prepares himself physically for mastering the mentioned motor skills and greater endurance in a way that does not represent 'torture', but encourages him to master skills that will help him in the game. Seniors are players over 18 years of age. This is the age period in which strength and endurance increase markedly with an emphasis on maturing functional abilities and increasing resistance to fatigue. Coaches train and develop players all the time, so they can reach their peak in senior football.