MSTN and sarcopenia: Although no significant differences in EV biomarker concentrations were observed between participants classified as sarcopenic or nonsarcopenic, ROC curve‐derived cutoff values for myostatin, P3NP and TNF‐α revealed significant group differences in functional sarcopenia parameters, including SARC‐F score, hand grip strength, walking speed and five‐time‐sit‐to‐stand test.