HIT: The Principle of Intensity

“It has been well documented for more than eight decades within the world of exercise physiology that high-intensity muscular contraction is the most important requirement for the stimulation of rapid increases in muscular size and strength, whereas the duration of the exercise is not important in this regard. High-intensity muscular contraction prevents even the possibility of a large number of such contractions within a given unit of time.

Intensity and duration, in otherwords, exist in an inverse ratio to one another; you can either train hard or train long, but you can’t do both.”

High Intensity Training: The Mike Mentzer way.


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