Blood Flow Restriction Training (BFRT) and Achilles Tendinopathy BFRT is a lower-load path to recovery when heavy resistance training is too painful or when progress has plateaued. The study that tested BFRT A 2021 study investigated the effects of BFRT on Achilles tendon thickness by comparing exercise protocols. 52 participants were split into three groups: low-intensity resistance exercise (LI), high-intensity resistance exercise (HI), and low-intensity resistance with BFR