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Glossary / Training
Time Under Tension
How long a muscle is loaded during a set.
Short Definition
How long a muscle is loaded during a set.
Plain-English Explanation
Time Under Tension means how long a muscle is loaded during a set. In practice, it helps name how force, position, and motion show up in exercise.
No Lies Lifting uses it as a plain-language reference point, not a magic rule by itself. Often abbreviated TUT.