time under tension

plural times under tension

1. bodybuildingThe amount of time a muscle or set of muscles are being continuously stressed.

   The second primary data point you might consider tracking is time under tension, a.k.a. TUT.

   2020, Nate Clark, Jessica Hatch, How I Did It: A Fitness Nerd's Guide to Losing Fat and Gaining Lean Muscle

   2 more examples

   Therefore, if an athlete sets a rep range between 10 and 12 reps, the time under tension range is between 50 seconds (10 reps x 5 seconds) and 84 seconds (12 reps × 7 seconds) .

   2004, John Philbin, High-Intensity Training, page 33

   A newer, and increasingly popular, way of determining the length of time a set is performed, is the time under tension method.

   2015, David Groscup, The Revised Intensity Principle, page 13

   Synonyms: TUT