Question

Which one of the following fitness trends involves performing a specific exercise at a high intensity for 20 seconds, followed by 10 seconds of rest?

Answer 1

the answer would be Tabata Protocol and here is explanation of what it is

The study used 20 seconds of ultra-intense exercise (at an intensity of about 170% of VO2max) followed by 10 seconds of rest, repeated continuously for 4 minutes (8 cycles). The exercise was performed on a mechanically braked cycle ergometer.

Answer 2

the answer is Tabata protocol.