Changes in plasma hydroxyproline and plasma cell-free DNA concentrations after higher- versus lower-intensity eccentric cycling.
Georgios MavropaliasLeslie CalapreMichael MoriciTomoko KoedaWayne C K PoonOliver R BarleyElin GrayAnthony J BlazevichKazunori NosakaPublished in: European journal of applied physiology (2021)
Changes in plasma hydroxyproline and cfDNA concentrations were not associated with muscle fiber damage, but the increased hydroxyproline in both groups suggests increased collagen turnover. cfDNA may be a useful metabolic-intensity exercise marker.