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Research & Science

Multi-Air Chamber Design

Bands are the only Multi-Air Chamber Bands (Patented)

  • Does not create a Tourniquet Effect
  • Does not require Doppler to measure Blood Flow
  • #1 Bands for Safety - Safe as normal exercise for everyone from 8-90 y.o.
  • #1 Bands for Comfort
  • #1 Bands for Ease of Use
  • Preferred Bands of USA Olympic Teams and Athletes

When you combine ease of use, with safety, and comfort, the result is the Most Effective BFR Bands for Exercise, Rehab and Athletic Performance

Videos

Watch Video of Dr. Jim Stray-Gundersen showing how Bands do not cut off blood flow

Watch Video of Dr. Mike DeBord comparing Bands to the the Tourniquet like bands on the market

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Science Proves BFR is Safe and Effective

Science is showing that BFR increases Natural Growth Hormone production. This leads  to improved strength and fitness, as well as weight loss and fat burn. BFR causes less muscle damage leading to shorter recovery times, and BFR has been found to be as Safe as normal vigorous exercise.

Check out the articles below for a sampling of BFR research.

BFR Studies / Peer Reviews

Multitude of Benefits from BFR

Peer Review : Extensive Review of BFR Literature

Reference: EXERCISE AND BLOOD FLOW RESTRICTION ZACHARY K. POPE

CONCLUSIONS:

  • Increased Muscle Strength
  • Hypertrophy (Increased cross sectional area)
  • Localized Endurance
  • Cardio-respiratory endurance
  • Growth Hormone Release
  • Less Muscle Damage
  • Safe

 

Peer Review : Extensive Review of BFR Literature

Reference: Training with blood flow restriction. Mechanisms, gain in strength and safety

CONCLUSIONS: 28 of 30 studies demonstrated

  • Improved Strength
  • Hypertrophy in men and women
  • Positive impacts on bone health
  • Non-exercised limbs have shown gains in strength without exercise
  • Controversial but promising reports on aerobic capacity
  • Safe: Investigations after BFR have shown no evidence for increased risk of thrombosis.

Less Muscle Damage Compared to Heavy Lifting

Peer Review: Does  BFR lead to or even increase the incidence of muscle damage

Reference: Does blood flow restriction result in skeletal muscle damage? A critical review of available evidence

CONCLUSIONS: The available evidence does not support the hypothesis that BFR in combination with low‐intensity exercise increases the incidence of muscle damage. Instead, the available literature suggests that minimal to no muscle damage is occurring with this type of exercise

Increased Strength & Muscle Development

Peer Review on 4 Studies by Duquesne University : Peer Review

 

Study : 32 Collegiate Football Players

Reference: J Strength Cond Res 26(9): 2523–2529, 2012, Yamanaka, T, Farley, RS, and Caputo, JL. Occlusion training increases muscular strength in division IA football players.

CONCLUSIONS: Strength changes can be achieved with training using less weight and BFR bands. With the additional benefit of reduced loads and recovery time, this is a very promising approach to training elite level athletes and military personnel.

 

Study: 20 Rugby Players

Reference: The Effect of Speed, Power and Strength Training, and a Group Motivational Presentation on Physiological Markers of Athlete Readiness: A Case Study in Professional Rugby. Cook et al (2014)

CONCLUSIONS: Occlusion training can potentially improve the rate of strength training gains and fatigue resistance in trained athletes, possibly allowing greater gains from lower loading which could be of benefit during high training loads, in competitive seasons, or in a rehabilitative setting. The clear improvement in bench press strength resulting from lower-body occlusion suggests a systemic effect of blood flow restricted training.

 

Study: 17 Rugby Players

Reference: Eur J Appl Physiol. 2002 Feb;86(4):308-14. Effects of resistance exercise combined with vascular occlusion on muscle function in athletes. Takarada, Sato, Ishii

CONCLUSIONS: The results indicated that low-intensity resistance exercise causes, in almost fully trained athletes, increases in muscle size, strength and endurance, when combined with vascular occlusion.

 

Study: 62 Football Players

Reference: THE EFFECTS OF A 7-WEEK PRACTICAL BLOOD FLOW RESTRICTION PROGRAM ON WELL-TRAINED COLLEGIATE ATHLETES

CONCLUSIONS: This study suggests that a practical BFR program used in addition to a traditional strength training program can be effective at increasing 1RM squat performance

 

 

Increased Aerobic Capacity & Endurance

Study : Cycle Training with BFR in Young Men

ReferenceEffects of Low-Intensity Cycle Training with Restricted Leg Blood Flow on Thigh Muscle Volume and VO2 MAX in Young Men

CONCLUSIONS: Significant improvements in VO2 max (6.4%) and exercise time until exhaustion (15.4%) were observed in the BFR-training group (p < 0.05) but not in the CON-training group (-0.1 and 3. 9%, respectively). The results suggest that low-intensity, short-duration cycling exercise combined with BFR improves both muscle hypertrophy and aerobic capacity concurrently in young men.

 

Study: 4 weeks of BFR and Cycling

Reference: The Effect of Speed, Power and Strength Training, and a Group Motivational Presentation on Physiological Markers of Athlete Readiness: A Case Study in Professional Rugby. Cook et al (2014)

CONCLUSIONS: Therefore, the increased metabolic and physiologic strains induced by blood flow restriction seem to have been responsible to trigger the adaptive responses linked to a longer time to fatigue after BFR training. Thus BFR Training is shorter, but produces results similar to much longer endurance training


Study: BFR Walk Training Effects on Performance

Reference: THE EFFECTS OF BLOOD FLOW RESTRICTION TRAINING ON VO2 MAX AND 1.5 MILE RUN PERFORMANCE

CONCLUSIONS: Blood flow restriction walk training resulted in significant improvements in VO2 max (p=.034), significant decreases in 1.5 mile run time (p=.024) and significant increases in thigh muscle cross sectional area (p=.016)BFR walk training represents a singular training methodology for improving aerobic capacity, endurance and muscular size at low training volumes and intensities. This may be beneficial for individuals undertaking concurrent strength and endurance training.

 

Study: 28 Young Male Soccer Players

Reference: Interval Training with Blood Flow Restriction on Aerobic Performance among Young Soccer Players at Transition Phase

CONCLUSIONS: The present study has been shown significant differences at maximum oxygen uptake between groups. It has been estimated increasing 3.66% at VO2 max in interval groups under blood restriction while has been shown only 1.43% increasing at maximum oxygen uptake in interval groups without blood restriction. This study investigated effect of interval training (moderate intensity-aerobic energy system) with blood flow restriction on the aerobic performance and rate of perceived exertion.  A difference of 1.43% vs 3.66% in VO2 max improvement is significant.

Greater Recruitment of Fast Twitch Muscle Fibers

Study:  8 Men Knee Extension

ReferenceBlood Flow Restriction Alters Motor Unit Behavior During Resistance Exercise

CONCLUSIONS: There was a notable shift towards higher values of firing rate and MUAP amplitude post BFR exercise. Taken together, our data indicate that Low Intensity BFR exercise increases the activity of motor units with higher  amplitude. They also indicate that motor units with similar amplitudes become activated at higher firing rates post-LI BFR exercise

 

Field Application in Athletes Changes Performance

ReferenceOcclusion-Induced Potentiation

CONCLUSIONS: There is an increase of type IIx muscle fiber with the use of BFR training

Athlete Speed Increases with BFR

Study: Low-intensity sprint training with BFR in well trained Sport Students.

Reference: Low-Intensity Sprint Training With Blood Flow Restriction Improves 100-m Dash

CONCLUSIONS: The BFR improved the 100-m dash time significantly more than low-intensity sprint interval training alone

 

Study: 15 Male College Track & Field Athletes

Reference: Eight days KAATSU-resistance training improved sprint performance in collegiate male track and field athletes

CONCLUSIONS: Overall 30-m dash times improved in the BFR-training group, with significant improvements occurring during the initial acceleration phase

Growth Hormone Release

Study : 11 Males - Large Increase in HGH

ReferenceHemodynamic and hormonal responses to a short-term low-intensity resistance exercise with the reduction of muscle blood flow.

CONCLUSIONS: Growth Hormone Increased increased GH (0.11+/-0.03 to 8.6+/-1.1 ng/ml). These results suggest that short term low intensity resistance exercise with BFR significantly stimulates the exercise-induced GH.

 

Study : Middle Aged Women

Reference: Effect of a low-intensity resistance exercise program with blood flow restriction on growth hormone and insulin-like growth factor-1 levels in middle-aged women

CONCLUSIONS: A significant elevated GH level was observed in the BFR groups when compared with the control group.

 

Study : 13 Health College Aged Females

Reference: Hormone Responses to an Acute Bout of Low Intensity Blood Flow Restricted Resistance Exercise in College-Aged Females

CONCLUSIONS: GH increased immediately post exercise for both protocols (High Intensity and BFR) as compared to baseline. In conclusion, acute BFR restricted resistance exercise stimulated similar increases in Anabolic hormone responses in young women as High Intensity Exercise

 

Study : 7 Healthy Older Men (70 yo)

Reference: Circulating hormone and cytokine response to low-load resistance training with blood flow restriction in older men.

CONCLUSIONS: GH increased from rest to 30-min post-exercise and was greater during BFR than without. In conclusion, a single bout of  BFR increases the circulating concentrations of GH in older men and may explain the skeletal muscle and peripheral vascular adaptations observed following training with BFR.

 

Study : 10 Young and 10 Older men

ReferenceGrowth hormone responses to acute resistance exercise with vascular restriction in young and old men

CONCLUSIONS: Both age groups responded similarly to each exercise condition with increased GH in response to BFR. However, young men had a greater maximal GH response.

Nitric Oxide Release

Study : 6 Males Leg Extension Training

Reference: Blood Flow Restriction Enhances Post–Resistance Exercise Angiogenic Gene Expression

CONCLUSIONS: Chronic training actually reduces NOS because excessive levels are associated with chronic inflammatory processes. Meanwhile, low skeletal muscle content of NOS are associated with metabolic and vascular dysfunction. This study indicates that the addition of BFR to acute low-intensity exercise increases post exercise muscle expression of NOS,