Effects of Six Weeks of Sub-High-Altitude Training on the Physical Performance and Psychological State of Adolescent Swimmers

Effects of Six Weeks of Sub-High-Altitude Training on the Physical Performance and Psychological State of Adolescent Swimmers. An Interventional Study

To investigate the effects of sub-altitude training on the physical performance and psychological state of adolescent swimmers and to analyze the possible mechanisms underlying these effects

Inclusion Criteria:

1. Age 12-18 years;
2. At least 3 years of systematic swimming training;
3. No history of severe lower-limb sports injuries within the past 6 months (defined as injuries resulting in a training hiatus of ≥4 weeks);
4. No participation in any form of hypoxic training during the 2 months prior to the experiment.

Exclusion Criteria:

1. Presence of any cardiovascular, metabolic, or musculoskeletal disorders that may affect testing or training;
2. Inability to guarantee attendance during the experiment (expected number of absences > 2)