Analysis Version
v1
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assertion
Analysis v1
Contested

Even strong people get sore if they try a new workout, because their body hasn’t adapted to it yet.

31
Pro
37
Against

Evidence from Studies

Supporting (1)

31

Community contributions welcome

31

Unknown Title

Cross-Sectional Study
Human

Even super-fit athletes got seriously sore and damaged after running for 24 hours straight—something they hadn’t trained for—proving that new, extreme workouts can hurt even the most trained people.

Contradicting (2)

37

Community contributions welcome

37

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

Randomized Controlled Trial
Human
2015 May 15

After doing a tough arm workout once, the second time was easier and caused less soreness and damage — your muscles learn and protect themselves.

26

Acute muscle damage as a metabolic response to rapid weight loss in wrestlers

Cross-Sectional Study
Human

The study found that losing weight quickly made wrestlers' muscles more damaged, but it didn't test whether trying a new kind of workout caused more damage — so it doesn't support the claim.

Similar Assertions

Acute muscle swelling responses following a single resistance training session are not representative of swelling responses observed after prolonged, repeated training programs.

37
25
82%

Your muscles can actually swell up bigger right after just one workout than they do after training consistently for several weeks.

0
1
70%

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