Y. Zhai, M. Li, and J. Li, “Effects of Physical Activity Level on the Moderated Mediation Model Linking BMI VO₂max and Endurance Performance in Male University Students Under High Altitude Hypoxia”, FHSS, vol. 6, no. 10, pp. 240–252, Oct. 2026, doi: 10.54691/q8k91340.