descriptive
Analysis v1
Strong Support
After training one arm, both arms become easier to turn on—your brain can activate muscles with less effort, even in the arm you didn’t train.
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Evidence from Studies
Supporting (1)
37
Community contributions welcome
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Training one arm made both arms easier for the brain to turn on, even though only one arm was worked out — the brain got better at sending signals to both sides.
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found