Multi-stage fitness test, yo-yo or beep test (тест на выносливость)

The multi-stage fitness test (MSFT), also known as the beep test, bleep test, PACER test (progressive aerobic cardiovascular endurance run), or the 20m shuttle run test, is a running test used to estimate an athlete's aerobic capacity (VO2 max).
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[@Vladimirtaranov]

📖Info
🔗en.m.wikipedia.org/wiki/Multi-stage_fitness_test
🔗ozlib.com/801927/sport/beep_test_mnogostupenchatyy_begovoy_test_distantsiyu?ysclid=lv6lvcvmuv998037603