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The time of day? Let’s investigate. Time under Tension Time under Tension Demystified The total amount of time that our muscles  healthwisesupplements spend under tension plays a key role in achieving optimal muscle building results. Tempo refers to the speed with which you perform your repetitions. Tempo, especially as it relates to the negative part of the rep when you are lifting heavy, is crucial to maximum muscle stimulation. Slowing down the reps makes you work a lot harder and places more emphasis on the....

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