Collagen volume fraction

1. High-intensity interval training decreases collagen volume fraction in rats.

   “renal pathological damage was reduced in both HIIT groups, and the collagen volume fraction (CVF) was significantly lower than in Group C (P < 0.01).”

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   Mechanism by which 24-week different-volume high-intensity interval training ameliorates renal fibrosis in naturally aging rats via regulating the TGF-β1/Smad pathway

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