Speaking of police and military Special Forces, the first thing that comes to mind is fitness, strength, physical effort and training so it can be said that fitness preparation is one of the most important factors that adorn the members of Special Forces. Training disciplines are not focused on direct contact with the enemy, but on increasing aerobic endurance and muscle mass. The reason for this is so that each member could more easily respond to the demands set in front of them. Fitness training for the members of the “Special Forces” bases itself on the same principles as the fitness training of athletes so it can be said that these members of the Special Forces also belong to the category of “professional athletes. Developing strength, speed, agility, and muscular aerobic and anaerobic endurance are one of the main abilities that need to be constantly and continuously invested and trained. These exactly kind of preparation, are an essential part of the daily preparation for every member of the Special Forces of the Republic of Croatia. The final goal of the preparation is to achieve optimal fitness, which includes optimal health, adequate psychological stability, but also the highest level of motor and functional abilities.