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Dr. Nicholas Rolnick - Blood Flow Restriction Training Expert

@thehpm

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The Human Performance Mechanic DPT
🕺I help people with back pain keep training and feel amazing
📚74+ peer reviewed articles
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🚨🩸 BLOOD — IT’S MORE THAN JUST A RED FLUID.🚑

Blood carries oxygen and nutrients, removes waste, helps maintain pH, temperature & fluid balance, protects us from infection and plays an important role in clotting and healing.

👉This quick revision sheet covers plasma, RBCs, WBCs, platelets, hematological indices, blood groups & Rh factor, and erythropoiesis.

📚 Recommended Reference:
Essentials of Medical Physiology — K. Sembulingam & Prema Sembulingam

📌 SAVE this for revision, viva & exams.

🧠 Quick Check: Which blood cell mainly carries oxygen?
A) WBC B) RBC C) Platelets
Comment your answer 👇

❤️ Help us reach 10K+ students and spread useful medical awareness.❤️

If this post helped you, please give @a2medicalstudy ONE FOLLOW. 🙏
Your support helps us reach more students, families and people who want to learn.

📤 Share it with your friends, classmates, colleagues & family.
🔖 Save it for later.
❤️ Follow @a2medicalstudy for more simple medical knowledge.

One follow. One share. One more person reached with useful knowledge.

A2 Medical Study
Simple Knowledge • Real Awareness • For Everyone, Everywhere.

#@a2medicalstudy #medicaleducation #medicalawareness #medical #instagood #physiology

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🩸 BLOOD TEST REPORT📊 IN FRONT OF YOU?
Do you know what these numbers mean? 👀🧪

Hemoglobin, RBC, WBC, platelets, blood sugar, HbA1c, cholesterol, TSH, vitamins, ferritin, creatinine and ALT are some of the common results you may see on blood-test reports.

📚 This chart is made as a quick reference for students and general health awareness—so you can become more familiar with common blood-test terms and ranges.

🎓 For BPT, physiotherapy, medical, nursing & allied-health students:
Save it for anatomy/physiology revision, clinical posting, viva and quick revision.

⚠️ Important: A “normal range” is not the same for everyone. Different laboratories may use different reference ranges, and an abnormal result does not automatically mean you have a disease. Always check the reference range printed on your own report and discuss unusual results with a qualified healthcare professional. �

🧠 Quick challenge:
Which one is mainly responsible for helping blood clot?

A) RBC
B) WBC
C) Platelets

💬 Comment A, B or C 👇

📌 SAVE this chart for your next revision.
📤 SHARE it with a student, friend or family member who may find it useful.

🩺 If you learned something useful, give @a2medicalstudy 1 follow for simple medical & physiotherapy knowledge.

🌍 Your 1 follow helps us reach more students, families and communities and spread useful health awareness.

SAVE 📌 • SHARE 📤 • FOLLOW ➕

A2 Medical Study
Simple Knowledge | Real Awareness | For Everyone, Everywhere.@a2medicalstudy

#blood #instagood #medicaleducation #cbc #viralreeĺs

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Is your BFR cuff applying the pressure it says it is? Not always.

New series: one BFR paper a week, read properly.

First up is a new @bjsm_bmj editorial from @lukeh9204 and @thehpm on the variable most of us skip past in a methods section.

Pressure is arguably the biggest driver of the BFR stimulus.

But many devices estimate limb occlusion pressure with proprietary algorithms, few of which have been validated against Doppler, and they differ a lot in how well they hold pressure through a set.

So “80% LOP” in one study may not be the same dose as “80% LOP” in the next.

Slide 7 is the checklist I’d use before trusting a BFR study or buying a cuff. Save it.

What cuff are you using, and do you know if it’s been validated?

Citation in the carousel.

#bloodflowrestriction #BFRtraining #sportsscience #strengthandconditioning #physiotherapy

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@jploenneke joined me on the BFR better for results podcast to discuss…#bloodflowrestriction and the state of the industry. This one is a can’t miss if you are remotely interested in #bfrtraining as we discuss pretty much every topic in the space for some time. 1 hr 44 min of the 🐐.

Also wanted to thank @smarttoolsusa for sponsoring some of the episodes this season. Their support allows me to do what I love which is talk #bfr and bring on killer guests. Thanks again.

If you’re a potential sponsor interested in sponsoring some other episodes, please reach out.

Available on Spotify, YouTube and Apple Podcasts NOW.

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#Cancer sucks. #Breastcancer is one of the most common forms of cancer and we wanted to show our support to find a cure by partnering with Susan G. Komen®️for a special edition limited run of pink revolutions. Only 50 made. Each Revolution sold is $25 donated to #breastcancerresearch. If you ever wanted to snag a unique limited edition version of the model you know and love…or wanted this as a gift to your friends or family, now is the time! It’s available now until all 50 are sold!

#Dontskipthegrip

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BFR training: does it actually beat normal exercise? The evidence says it depends entirely on what you put it up against.

The largest review of blood flow restriction training in rehab settings yet, pooling 45 trials and 1,652 people, found low-load BFR training clearly beats the same exercise done without a cuff for both strength and disability.

Put it up against properly loaded heavy lifting, though, and that advantage disappears for strength, and the disability evidence gets too thin to call.

Pain scores nudge in BFR’s favour too, though the authors rate the size of that effect too small to matter.

Save this for your next programming decision around an injury, a post-op block, or anyone who cannot load heavy yet. Citation in the carousel.

Where do you actually use BFR training in your own programming?

#bloodflowrestriction #BFRtraining #sportsscience #rehabilitation #evidencebasedpractice

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Great class this weekend in NYC thanks to Professional Seminars!! Check it this testimonial.. if you guys have never been to a live course, I often joke by saying “of course” when something is better rapidly. It was really good PT who has been struggling with chronic radiating leg pain for years and often has to drive for several hours.

“Started having my sciatica symptoms about 30/45min into the drive home. However, it was more centralized (in the glute) then down the leg like usual. This persisted for about 2 hours.

Then.... at about hour 3/4 ... my sciatic symptoms went away. They seriously just left and my back was feeling better. I got out of the car to charge and didn’t feel any back pain getting out of the car. Interestingly, I also didn’t have as much knee stiffness. Did some side shifts on the car and some seated knee extensions with my leg out the driver side door. Got back in and drove home. Also - I usually drive seated on a cushion, I didn’t use the cushion at all on this drive.

Got out of my car around 9:30 pm and I didnt have any pain. OF COURSE I DIDNT!!!!

Went to sleep. Got up this morning. First time in over a year I’ve gotten out of bed without back pain. OF COURSE I DID!!!!!

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summer of kaia 👙☀️💦🦀 a true water sign summer baby. everyday with you is the best day ever. mama and dada love you our mushy squishy girl @nickrdpt @thehpm #kaiathemush #summerofkaia

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Sloppy language keeps poor models alive and old nocebic narratives going on longer than they should. Say what’s actually happening. 🤓

🚫 “Lactic acid buildup” → ✅ Lactate + DOMS. That post-workout soreness isn’t an acid problem — it’s delayed onset muscle soreness from microtrauma and inflammation. Lactate cleared hours ago; it’s fuel, not the villain.

🚫 “Adhesions” → ✅ Densification. Fascia doesn’t glue itself together — hyaluronan changes viscosity and reduces glide between layers. Different mechanism, different treatment logic.

🚫 “Toxins” → ✅ Metabolic byproducts & red blood cells. Cupping marks aren’t detox — they’re extravasated red blood cells and normal metabolic waste your liver and kidneys already handle.

Skip the fluff, come learn the science with us. Link in BIO

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Thinking of skills in medicine as tools in a toolbox is a flawed approach for several reasons:

Complexity and Integration ⚙️🔧
- Medical practice involves integrating a wide range of knowledge, skills, and experiences in a dynamic and context-sensitive manner. Unlike tools in a toolbox, which are typically used in a straightforward and predictable way, medical skills often need to be applied creatively and flexibly. Each patient presents a unique set of circumstances, requiring a nuanced and holistic approach rather than a simple application of isolated skills.

Patient-Centered Care 🏥❤️
- A toolbox approach implies a mechanical, task-oriented process, which can undermine the importance of patient-centered care. Medicine is not just about fixing problems but understanding the patient’s needs, preferences, and values. This requires empathy, communication, and the ability to build relationships, which are not easily likened to tools.

Continuous Learning and Adaptation 📚🔄
- Medical knowledge and practices are constantly evolving. Professionals must engage in lifelong learning and adapt to new information and technologies. The static nature of a toolbox does not capture this dynamic process of continuous improvement and adaptation required in medicine.

Critical Thinking and Judgment 🧠⚖️
- The practice of medicine relies heavily on critical thinking, clinical judgment, and decision-making under uncertainty. These cognitive processes are not easily compared to the straightforward use of tools. They require deep understanding, reasoning, and often intuition, which goes beyond the simplistic notion of selecting the right tool for a task.

In summary, the toolbox metaphor fails to capture the complexity, integration, and humanistic aspects of medical practice. It oversimplifies the multifaceted and dynamic nature of medicine, which requires not just technical skills, but also critical thinking, empathy, ethical reasoning, and continuous learning.

Manual therapy is one small aspect of our profession and what we do and for the above reasons outlined, thinking of just adding new techniques all the time to add tools is a flawed approach.
#physio

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We just dropped the biggest meta-analysis to date in the #bloodflowrestrictiontraining #bloodflowrestriction space, because it challenges the most commonly held beliefs regarding the place of low-load #BFRtraining in clinical musculoskeletal populations. We took Hughes et al. (2017) - the most cited BFR paper ever - and updated it and made it better in every aspect to produce the most rigorous analysis possible given the evidence base. Not only that, we further analyzed whether BFR has a meaningful role in pain relief, disability, and if it produced higher risks of adverse events than high-load (~70% 1RM or more) or low-load (~50% 1RM or lower) resistance exercise. We included 45 RCTs, 1,652 patients, and real clinical MSK populations (ACL recon, knee OA, post-surgical rehab, PFP) (which were harder to come by a decade ago when the first paper published).

Key findings on low-load BFR vs. conventional exercise:

#MuscleStrength: beat low-load training AND matched high-load training

Disability: beat low-load training, no significant gap vs. high-load

Pain: small edge over both, likely not clinically meaningful

Safety: no increased risk of adverse events

Translation: you may not need high loads to build strength and reduce disability in rehab, especially if your patients are in a situation where they CANNOT lift high loads. Low-load BFR held its own against high-load training across the board, which is NEW evidence that challenges the commonly-held belief that high-loads are required to optimize strength in #physicaltherapy rehabilitation programs.

Som caveats: mostly lower-limb evidence (only 5 studies for upper limb), and BFR protocols varied widely across trials (We need more standardization!!)

If you want even more of a breakdown, I broke down the paper significantly in Season 2 Episode 1 of the BFR Better for Results Podcast. Link in bio.

PLEASE SHARE if you found this helpful to get the word out.

Source: Ferlito JV, Rolnick N, Kamiś O, et al. Do Blood Flow Restriction Exercises Offer Additional Benefits When Compared to Conventional Exercises in Musculoskeletal Rehabilitation? Br J Sports Med. 2026. doi:10.1136/bjsports-2025-111452

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Are you a practitioner who uses blood flow restriction for recovery? If so can you spare 10-15 minutes to help answer some questions about this practice for @martinwhitaker PhD. Please share also.

Copy full link into browser or DM for live link. - https://app.onlinesurveys.jisc.ac.uk/s/stmarys/pbfr-questionnaire-to-practitioners

#bloodflowrestriction #bfr #recovery

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