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Your Source for all Things BFR

Growing evidence has continued to show the potential of blood flow restriction (BFR) training to improve exercise & rehabilitation programs


By intermittently restricting blood flow during exercise, research supports significant ability to make gains in strength, muscle size, bone growth, pain reduction and injury recovery - often in abbreviated time tables.

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The safest BFR on the Market

BStrong BFR Bands

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Onsite Learning

How to add BFR into your own practice - Taking you from basic understanding to authority. What is BFR? How does it work? Is it safe? We are here to help you better understand & utilize BFR. Your complete guide to Blood Flow Restriction

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"How many courses can change your practice pattern immediately like this and do so drastically?"

Eric C.
Physical Therapist

"Great instructor. Promotes safety, patient empowerment and science. It just makes sense."

Steve F.
Director of Rehab Services

"Joel was very good explaining the rehabilitation course and how to perform the exercises."

Sara D.
Physical Therapy Assistant

Popular Questions

What is Blood Flow Restriction (BFR) training?

  • Basically, it is a rehab intervention and performance-enhancing tool that taps into the body’s natural systems of stress and recovery – utilizing the same concepts as that of traditional exercise alone. The major distinction is an individual is recruiting muscles in a state of limited blood circulation.
    In the case of exercise under restricted blood flow conditions, a strong but not complete, hypoxia results in muscle fatigue signaling. This limited circulation of oxygen, which is the driving force that causes muscular fatigue, happens more quickly than if oxygen were to be readily available. More than that, muscles are made up of motor units...the first and most easily recruited motor units fatigue and an individual has to recruit additional motor units to complete the exercise - this is the key to muscle growth and strength gains!

What makes BFR safe?

  • First, the intent of blood flow restriction is to restrict (not fully occlude) the movement of blood into and out of working muscles. As long as blood is still moving (stasis, or pooling of blood) is a risk factor for blood clots...if you are not stopping blood, the risk of blood clot is virtually non-existent.  
  • Second, a person should use a device that has either elastic properties (meaning, it should “give” in some way to allow muscle pump, size changes, limb movements and functional demands) OR have a system that can automatically fluctuate with a percentage of limb occlusion pressure to accommodate these changes.
  • Third, it is important to note that the research shows all band/cuff sizes to be safe and effective...BUT it seems to make the most sense to have a device of intermediate width:
    • Too narrow requires higher pressures to be effective + potentially risks nerve entrapment as it can create “rope-like” restriction.  
    • Too wide disallows movement, which can block muscle activation underneath the cuff.
  • Lastly, you should be able to control the amount of restriction placed on a limb: typically this is done pneumatically...meaning, not just an arbitrary amount of force based on perception of tightness.

Does BFR replace traditional strength training?

  • Absolutely not. BUT, it can serve as an amazing supplement for a number of applications including, but not limited to:
  1. Rehab - From an injury to allow you to continue training and build strength without the stress on the injured tissues
  2. Deload - Focus on maintenance during non-growth phase of training - emphasis on not losing ground
  3. Variety - The greatest feat of the human body is its ability to be adaptable. When exposed to different stimulus, demands, forces, positions, activities, etx. How does your body respond? BFR allows an opportunity to expose the human body to different stresses & enhance training effect without increasing load/force
  4. Recover - From things like joint/tissue overuse or even as simple as travel stiffness/inactivity
  5. Modify - Alter a training session or even a type of exercise that is currently too difficult or impactful. Maybe you are new to it and need to learn the movement patterns better, but the work is too light to make any secondary gain from your time and efforts. BFR is an opportunity to work without overuse
    Finish - End a training session with fatiguing muscles in a group (isolated work)

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