FITNESS BIOHACK: BFR TRAINING The Rings have always been my favourite home-fitness equipment but lately I've been experimenting with Blood Flow Restriction (BFR) or Kaatsu Training. What is BFR? Seen here as the blue straps on my arms, basically they reduce venous blood flow back to the heart but are only partially restrict arterial blood flow from the … Continue reading FITNESS BIOHACK: BFR TRAINING