Meaning of the word "high-intensity interval training" in English

What does "high-intensity interval training" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

high-intensity interval training

US /haɪ ɪnˈten.sə.t̬i ˈɪn.t̬ɚ.vəl ˈtreɪ.nɪŋ/
UK /haɪ ɪnˈten.sə.ti ˈɪn.tə.vəl ˈtreɪ.nɪŋ/
"high-intensity interval training" picture

Noun

a form of cardiovascular exercise strategy alternating short periods of intense anaerobic exercise with less intense recovery periods

Example:
I started doing high-intensity interval training to burn more calories in less time.
Many athletes use high-intensity interval training to improve their aerobic capacity.