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Time Under Tension in Bodybuilding: Myth or Truth for Hypertrophy?

Does time under tension (TUT) really matter for hypertrophy? See what science says, what the myth is and how to use repetition cadence intelligently.

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Technical definition of TUT

Direct answer: Time under tension is the total duration in seconds that the muscle remains under load in a set.

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What science says about TUT and hypertrophy

Systematic reviews on repetition cadence (including work by Schoenfeld and collaborators) converge on a few points:

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The TUT curve in practice

TUT by series Typical rep range Main effect --------- <15 seconds 1–5 Strength and power; possible but secondary hypertrophy 15–30 segundos 4–8 Strength + hypertrophy; high load 30–60 segundos 8–15 Classic hypertrophy...

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The myth of the super slow cadence

"Count to 5 going down and 5 going up to grow more" is a recipe repeated in the gym without any basis in evidence.

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The myth of "absolute control" in every exercise

The other extreme: descending a 120 kg squat in 5 seconds transforms a hypertrophic series into an isometric resistance test.

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Time Under Tension in Bodybuilding: Myth or Truth for Hypertrophy?

Read the full article

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