Short Versus Long Rests Between Sets
The most commonly used rest
periods range between 30 seconds to six minutes or more. Generally when you use lower repetitions, you use more rest, and vice versa. However, most people rarely or never change the period of time between sets. Big mistake, and here's why:
Long rest periods allow a more complete
recovery, which enables you to use the heaviest possible loads for each
set- necessary for strength improvements. The drawback is that long
rests are not time-efficient. Also, if you rest too long between sets, you
may begin to "cool off," which will negatively impact your workout.
Short rest periods limit the amount of weight you can use, but
they also force the body to fortify its recovery mechanisms-
particularly its ability to clear lactic acid from the muscles.
What's in it for you?
Improved body composition, short term
endurance, and vascularity. Short rests between sets also make
your workout more time efficient.
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