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Strong Opposition

The more the biceps stretched during the first workout, the more 'swelling' showed up on the ultrasound scan afterward.

0
Pro
37
Against

Evidence from Studies

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No supporting evidence found

Contradicting (1)

37

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37

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

Randomized Controlled Trial
Human
2015 May 15

The study looked at how much the biceps muscle stretched and how much it got damaged during exercise, but it never checked if more stretching meant more damage — so we can’t say the two are linked.

Source Study

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

Score: 37
DOI: 10.1152/ajpregu.00338.2014

Similar Assertions

The second time people do a tough arm workout, their muscles show less 'swelling' on ultrasound scans, meaning there's probably less damage or inflammation.

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When you do bicep curls with your shoulder stretched back, the lower part of your bicep shows more signs of stress on ultrasound right after the workout than when you keep your shoulder neutral.

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The more the biceps stretched during the first tough workout, the more strength the person lost the next day.

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The middle part of your bicep gets a little more 'hazy' on ultrasound after a workout, but it clears up by the next day — and it doesn’t matter if you changed your shoulder angle.

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