Submaximal Unilateral Arm Cycling Produces Transient but Not Sustained Changes in Corticospinal Excitability in the Homologous Muscles of the Non-Exercised Limb.

Although there was a trend toward increased excitability and reduced inhibition during the second bout (preconditioning), these changes did not reach statistical significance, indicating that the initial 10 min bout of cycling was insufficient to induce a robust priming effect or lower the threshold for subsequent plasticity.

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