Intervals are short bursts of intense activity that push you to your limit followed by
very brief rest periods, then repeated.
Not exact matches
Because you're working so many muscle groups and with the
brief rest periods, you put a
very demanding stimulus on your body, which takes hours upon hours to return to a normal state.
Researchers have found that repeatedly pushing the body close to its exercise limits for
very brief periods, interspersed with
periods of
rest, is more effective than continuous moderate activity at improving cardiovascular, respiratory, metabolic and mechanical functions.