Time under tension or tempo is a term that refers to the total amount of time a muscle group is under activation during a set. There are two phases of movement (concentric and eccentric), but the time under tensiom we can also extended in the pause at the beginning and end of the movement (peak of contraction). For example, for a leg extension, a tempo of 2-0-1-2 would mean that you go down (eccentric phase) for 2 seconds, no pause at the bottom, come back up (concentric phase) in 1 second, and 2 sec pause at the top of contraction. Tempo is on of he most important part of my training programs, click the link in my bio and check out my 12-week muscle-building programs. 🤝 --------------------------------
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