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Important Papers in BFR Research

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Editorial Commentary: Blood Flow Restriction Therapy Continues to Prove Effective

Editorial Commentary: Blood Flow Restriction Therapy Continues to Prove Effective

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Proud to be back discussing performance enhancemen

Proud to be back discussing performance enhancement with aerobic training and blood flow restriction exercise in athletes with our exclusive European partner @kinesport_official at their third Conference. It’s such a first class event. If you’re on the fence of coming, COME! Plus we’ll be doing multiple workshops on #BFRTRAINING with @nicklicameli
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🤓 FOCUS SYMPOSIUM !

Nicholas Rolnick fera partie des 35 speakers internationaux que nous aurons la chance d'accueillir lors de la 3ème édition du #Symposium, les 14 et 15 décembre prochains à Paris au Parc des Princes.

Son intervention portera notamment sur 🔎
« L'entraînement BFR peut-il être utilisé efficacement chez des individus/athlètes bien entraînés tout au long du continuum de réhabilitation et de performance pour augmenter la performance sportive ? »

Au cours des 20 dernières années, l'entraînement en BFR s'est rapidement développé, passant d'une pratique exclusive en bodybuilding à une recommandation d'inclusion dans la gestion post-chirurgicale des conditions orthopédiques courantes. Récemment, un nouvel intérêt s'est manifesté pour déterminer si l'entraînement du BFR pouvait améliorer les résultats musculo-squelettiques, cardiovasculaires et de performance chez les athlètes bien entraînés. L'objectif de cette courte présentation sera de mettre en évidence les façons dont l'ajout de l'entraînement BFR à l'entraînement de résistance et cardiovasculaire pourrait améliorer ces résultats et de théoriser les mécanismes qui sous-tendent ces adaptations. La présentation se terminera sur les moyens de renforcer les méthodologies des futures études sur les athlètes afin de nous aider à tirer des conclusions plus solides, basées sur des preuves, sur l'efficacité de l'entraînement BFR au sein de cette population.

Nicholas Rolnick animera également un workshop lors du symposium.
👉 Retrouvez tous les détails du Symposium en vous rendant sur notre site 🔗 https://www.kinesport.fr/symposium

#kinesport #partagergrandit #kinesportexpert #événement #event

Limb occlusion pressure (LOP) has been recommended

Limb occlusion pressure (LOP) has been recommended as a standard approach to administering BFR training in clinical populations (Patterson, 2019). However, despite prior research showing LOP does not change much over the course of 4-8 weeks in healthy participants (Mattocks, 2019), other studies show LOP can change based on the time of day (Ingram, 2017), position (Hughes, 2018), cuff width (Loenneke, 2012) and even cuff bladder positioning (Spitz, 2020) on the limb.

In clinical practice, patients may present to the clinic at different times of day. This may influence LOP assessment. Similarly, whether or not the LOP changes between limbs during these different visits has not been investigated before. This study investigated whether assessment of LOP was reliable between different times of day and between limbs using the Delfi personalized tourniquet device (cuff width, 12 cm). Forty-two males and females participated in this study. Each reported twice to the lab separated by 3-10 days and at different times of the day to get their LOP, BP values and thigh circumferences assessed.

Results showed group values were not different between LOP taken at different times or between legs, but at the participant level, significant values were seen between legs and LOP and the 95% confidence interval was around 14 mm Hg. Interesting, this study did not support that SBP plays a role in LOP determination in the upper body, but pulse pressure and limb circumference does.

The results of this study highlight the importance of looking at individualized data compared to group means which may paint a slightly different outlook on assessment of LOP. As clinicians, assessment of LOP takes 2 minutes maximum and the results of this study suggest that if you see clients/patients at different times of the day, LOP values may change. Whether or not this has significance on perceptual, cardiovascular and/or musculoskeletal outcomes - we’ll see (but likely not). Last, this study tried to create an algorithm for LOP, but was largely unsuccessful as the equation under- or over-predicted LOP by as much as 50 mm Hg. This highlights the fact that we should be measuring LOP!

PROPER BFR CUFF APPLICATION SITE A recent BFR tra

PROPER BFR CUFF APPLICATION SITE

A recent BFR training article was posted on @generationiron (we love the publicity for BFR though) using application sites that don't make too much sense if you actually critically think about it. Placing the cuff anywhere but at the proximal most portion of the exercising limb makes no sense if you have a rudimentary understanding about anatomy, so let's fix it for them so everyone can practice safe BFR training WITH THE SAME OVERALL BENEFITS.

As you go further away from the body, the nerves and vasculature supplying the muscles cross areas where they are more exposed and likely vulnerable to injury. Where are these locations? At the elbow and knee region! The ulnar nerve in particular in the elbow and the common fibular nerve in the knee are very superficial and are more likely to experience a traction based injury when a circumferential tourniquet style application around it. This can lead to significant problems if this injury occurs, producing numbness, tingling and even muscle weakness if the injury is severe enough.

What's the easiest way to avoid this for safe BFR training? Apply the cuff at the proximal most part of the arm. The idea of BFR training is to reduce arterial inflow and occlude venous return. When applied proximally, the arterial flow to the entire arm is reduced, leading to greater metabolic perturbations in the entire extremity than if only a smaller portion of the vascular tree was occluded. Don't you want more muscles to benefit from the ischemic conditioning even if they aren't undergoing exercise? Your outcomes will be the same. We promise.

Any comments here? Other concerns? Post below!

Strap in and #ChaseThePump.

SURVEY FINDINGS SUPPORT BARRIERS TO ENTRY FOR BFR

SURVEY FINDINGS SUPPORT BARRIERS TO ENTRY FOR BFR TRAINING

A recent survey study (Mills 2021) concluded that #BFRtraining is viewed very favorably in the physical therapists who responded to the survey, with 98% saying that they find #bloodflowrestrictiontraining beneficial or very beneficial to their practices. However, the survey also highlighted the barriers to BFR training that are preventing more practitioners from adopting the modality, including a lack of education/certification, device hesitancy and safety concerns.

We've previously discussed each of these concerns in a variety of mediums from blogs to peer-reviewed publications to our acclaimed on-demand online BFR training course that upon completion, will set you up for being a trained #BFRprovider and being able to confidently integrate this modality into your practice. Check out the Perceived Barriers paper as well to familiarize yourself with the relevant barriers to BFR training.

What other barriers have you encountered as an actual or potential BFR provider? Post below!

#ChaseThePump

SOURCE: Mills (2021). The knowledge and use of blood flow restriction therapy in a sample of physical therapists in the United States.

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