The impact of a proposed training program for the development of special endurance depending on the fatigue index of defense and attack players : field study of the sports academy of football in Djelfa (15-16 years)‎

الملخص EN

Sports is a major social system, a reality in our lives, in which all types of behavior occur in the normal life.

The sport passed through different stages from discovery to creativity, education, development, and the desire of the theorists to exploit the physical and spiritual abilities of the human being and took forms, It has become a means to raise money, gain wealth and acquire stardom, and has become a pillar of economy, culture and politics, and its importance has emerged in all other fields, Sports Training is a science that draws a large part of its theories, principles and principles in the implementation of its operations from other sciences such as physiology, life chemistry and nutrition, which are combined with each other to raise the training status of the athlete, through which the levels of players are affected towards the positive and achieve advanced results and distinct.

Modern sports training depends on the concentration of its objectives for the development of energy production systems and the associated functional changes.

The more anaerobic or aerobic fitness is possible, the more direct it will be on the level of physical and skill performance.( Mohamed Mari,2004,p10).

Football is a collective sport that has become popular in the world in general and in Algeria in particular.

And gained popularity and a large audience compared to other sports , And to ensure the continuation of the status of this sport to its fans and hope to develop for the better , The authors of the research and planning through the development and development of skills and development as well as the development of aspects of the schematic and methods and methods of play, whether offensive or defensive , As well as work to maintain physical capacity and development through the development of various physical qualities.