What is the effort index, and can bar velocity measure how hard a set really was?
Oct 27
4 min read
Two sets with the same number of repetitions are not the same set if one was at 60% of your max and the other at 80%, or if one ended with the bar still moving fast and the other ended in a grind. Repetitions in reserve tries to capture that, but it depends on how well you can judge your own effort. The effort index is an attempt to put a number on it using only bar speed.
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