The effect of (hypoxia) exercises on white blood cells and immune proteins to confront (Covid-19) and some physical and skill variables for young volleyball players

The purpose of this paper is to Preparing hypoxia exercises to raise the functional efficiency of young volleyball players, in addition identifying the effect of hypoxia exercises on the variables of white blood cells and immune proteins to confront (Covid-19) and some physical and skill variables for young volleyball players, the research community was selected, they are Al-Daghara Sports Club players participating in the Premier League for the 2020-2021 volleyball season, and their number is (12) players. They were divided in a simple random way into two experimental and control groups, with (6) players for each group. The most important conclusions are that the hypoxia exercises used are of great importance in increasing the efficiency of the volleyball player, and the hypoxia exercises used had a great and effective effect in increasing the level of indicators of the immune system, and that the hypoxia exercises contributed to raising the level of physical and skill abilities of young volleyball players.