General
tut
What does tut mean?
Short for 'time under tension,' the total time a muscle spends working against resistance during a set, sometimes manipulated for hypertrophy.
"Slow the tempo to increase TUT and really feel the muscle."
Origin
Bodybuilding/training acronym.
Frequently asked questions
What does TUT mean in the gym?
TUT stands for 'time under tension,' the total time a muscle spends working against resistance during a set.
How do you increase time under tension?
You typically slow down the tempo of each rep — especially the lowering phase — so the muscle stays working for longer.
Does time under tension build muscle?
Increasing TUT is one technique lifters use to drive hypertrophy, though total training effort and load also matter.
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