Yes, it is safe as it only slows the blood out of the arms or legs but blood still flow freely in.
Most BFR bands are also one-size-fits-all, making it difficult to get a correct and consistent pressure for every workout. While there are definite benefits to BFR bands – the lower cost and ease of use (over KAATSU) – these bands are uncomfortable and should only be worn for short durations. OT Bands are custom fit to your arm/leg size to optimize blood flow to your muscles. Different levels of compression can be achieved depending on the size band you purchase.
Yes, for years, doctors and scientists have studied blood flow restriction. Athletes like Bode Miller credit their rehabilitation after injuries to blood flow restriction therapy and U.S. Special Forces are beginning to use it as part of their training methods. Doctors have even begun to use it for bedridden patients to avoid muscle atrophy. Participants in BFR therapy see similar results with lower resistance to those who use heavy weights, all with no added risk of muscle damage.
Step 1 – Get Your Measurement for your arm or leg.
Step 2 – Select Your Custom Sized OT Band For Ordering Based on Your Arm/Leg Size and your desired compression level.
All this info can be found at main website: https://www.burn707.com/pages/band-sizing