People push just as hard during the second workout as the first, even though they feel less sore and recover faster.

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Reduced muscle lengthening during eccentric contractions as a mechanism underpinning the repeated-bout effect.

Randomized Controlled Trial

Human

2015 May 15

The study found that after the first workout, muscles didn't stretch as much during the second workout, meaning the body adapted to use less effort and got less damaged — so the mechanical demand wasn't the same, it was lower.

Source Study

Reduced muscle lengthening during eccentric contractions as a mechanism underpinning the repeated-bout effect.

Score: 37

DOI: 10.1152/ajpregu.00338.2014

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