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Leonard Van Gelder

@leonardvangelder

Researcher, technologist, educator, clinician, coach at the Institute of Contextual Health. Creator of the Human Rehabilitation Framework (HRF).

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21.11.2024
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Latest posts by Leonard Van Gelder @leonardvangelder

Most tools use averages, or normal values, that really represent nothing about the individual using them. Not too mention they might be measuring the least important things. Companies arenโ€™t invested enough in changing their algorithms or tools

18.09.2025 12:54 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Evolving an idionomic approach to processes of change: Towards a unified personalized science of human improvement The wide variety of โ€œthird waveโ€ cognitive behavioral therapy (CBT) methods (e.g., Acceptance and Commitment Therapy or โ€œACTโ€, Compassion Focused Therโ€ฆ

New form of stats introduced in psychology world:

www.sciencedirect.com/science/arti...

15.04.2025 23:22 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Agreed. Perhaps possibility of new idionomic approaches may help bridge the individual to group and group to individual friction. So much ground work to be laid to see. Weโ€™re doing our part ๐Ÿ‘ทโ€โ™‚๏ธ๐Ÿ‘จโ€๐Ÿ’ป

15.04.2025 13:19 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

100% - broad reaches of a principle long known in physics but not getting enough attention elsewhere

15.04.2025 11:28 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Medical Benchmarks and the Myth of the Universal Patient From growth charts to anemia thresholds, clinical standards assume a single human prototype. Why are we still using one-size-fits-all health metrics?

Embracing the #nonergodicity of biology is the future of health.

#complexityscience #medicine

www.newyorker.com/magazine/202...

13.04.2025 15:09 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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#physicaltherapy #rehabilitation #occupationaltherapy
contextualhealth.org/biggest-thre...

09.04.2025 22:50 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

File under #nonergodicity

06.04.2025 23:01 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Millimetre-scale bioresorbable optoelectronic systems for electrotherapy - Nature A millimetre-scale bioresorbable optoelectronic system with an onboard power supply and a wireless, optical control mechanism is developed for general applications in electrotherapy and specific uses ...

Millimetre-scale bioresorbable optoelectronic systems for electrotherapy www.nature.com/articles/s41...

02.04.2025 19:13 ๐Ÿ‘ 2 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Suzetrigine, a Non-Opioid NaV1.8 Inhibitor With Broad Applicability for Moderate-to-Severe Acute Pain: A Phase 3 Single-Arm Study for Surgical or Non-Surgical Acute Pain Many patients experience inadequate pain control due to limited options that are both efficacious and safe for treating moderate-to-severe acute pain; therefore, opioids are still frequently prescr...

First phase 3 trial for the novel non-opioid drug Suzetrigine. Itโ€™s not placebo controlled and aimed to test the safety profile of the drug. I am not sure wheter this could be considered โ€œwell-toleratedโ€ and โ€œgenerally safeโ€

#physio
#painscience
#neuroskyence
๐Ÿงช๐Ÿ›Ÿ

www.tandfonline.com/doi/full/10....

03.04.2025 07:20 ๐Ÿ‘ 9 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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๐Ÿšจ The paper is out! ๐Ÿšจ

If you work with movement, read this!
Human performance isnโ€™t about optimizing parts. Rather, it is a continuous process of adaptation to ever-shifting constraints, both internal & external.

#movement #movementscience #sportscience #physio #physicaltherapy

shorturl.at/i59kC

02.04.2025 16:37 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Tendon pain - what are the mechanisms behind it? - PubMed Potential mechanism-based pharmacological treatment approaches could be developed by blocking promotors of nerve ingrowth, such as NGF, and promoting inhibitors of nerve ingrowth, like semaphorins, as...

Tendon tissue changes from loading may not matter much. Loading might help for other reasonsโ€”or just via movement variability reducing nociception. In the end, all pain ties back to changes in the nociceptive apparatus
#painscience #physicaltherapy #sportskyence
pubmed.ncbi.nlm.nih.gov/35850720/

31.03.2025 16:11 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

โ€œWe instead observed substantial interindividual variability..โ€
#nonergodicity #humanhealth #medicine #painscience

31.03.2025 14:56 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Movement science has a problem: the myth of optimality. Sneak peek from Madhur Mangalamโ€™s describing 60+ conflicting โ€œoptimalโ€ states during the act of hiking. More coming soon. #physio #physicaltherapy #movementscience #sportsmedicine #complexityscience #sportscience

31.03.2025 11:58 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Absolutely love this image. We have to think bigger than the #brain.
#neuroscience #painscience #medicine

30.03.2025 19:41 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Since meaning (including Identity) derives from context, we have to take more than one viewpoint into consideration.

Even grammatically, we have to assign units to uncountable concepts, pointing to this paradox. Did those units exist before we created them?

What about the other direction? >

23.03.2025 17:39 ๐Ÿ‘ 1 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Platelet-Rich Plasma Injections are Inferior to Corticosteroid Injections for Short-Term Pain Relief: A Prospective, Double-Blinded, Randomized Controlled Trial We aimed to evaluate and compare the clinical benefits of platelet-rich plasma (PRP) injections compared to corticosteroid (CS) injections in patientsโ€ฆ

How did we ditch basic biology for the illusion of #regenerativemedicine. #Regeneration doesnโ€™t exist at a single level of biology, or even a fewโ€”and we canโ€™t yet target the scope of #multilevelselection to make it real.
#medicine #painscience #complexityscience
www.sciencedirect.com/science/arti...

27.03.2025 12:20 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

#multilevelselection in #pain - So much more for us to learn in the periphery and spinal cord!

26.03.2025 12:26 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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๐—–๐—ฎ๐—ป ๐˜„๐—ฒ ๐—ฝ๐—ฟ๐—ฒ๐—ฑ๐—ถ๐—ฐ๐˜ ๐—ฒ๐˜ƒ๐—ผ๐—น๐˜‚๐˜๐—ถ๐—ผ๐—ป?
Some aspects are well predicted, others are extremely difficult.
doi.org/10.1038/s415...

25.03.2025 13:52 ๐Ÿ‘ 21 ๐Ÿ” 5 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Not sure who all needs to hear this today but #complexityscience provides a little hope.

24.03.2025 20:30 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

#physicaltherapy
#physiotherapy
#complexityscience
#neuroscience
#painscience

24.03.2025 20:22 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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(PDF) AI-driven dynamic grouping for adaptive clinical trials: Rethinking randomization in precision medicine PDF | Integrating artificial intelligence into biomedical human subjects research is transforming traditional experimental paradigms. This review... | Find, read and cite all the research you need on ...

While historically, the RCT has had its place for scientific analysis, it has caused more problems than good in many contexts involving humans. Dynamic Grouping may better fit the non-ergodic nature of human problems.
www.researchgate.net/publication/...

#medicine #science #research

24.03.2025 20:21 ๐Ÿ‘ 3 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

#multilevelselection

02.03.2025 22:52 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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(PDF) Mechanical and cognitive postural instability drive shifts in whole-body coordination network PDF | Conventional human movement science often considers body parts and processes separately as belonging to complementary but distinct domains (motor... | Find, read and cite all the research you ne...

It is amazing to me how people still try & create these artificial constructs of an isolated movement system and outdated biomechanical concepts.
โ€œYour body isnโ€™t just moving -itโ€™s networkingโ€ Madhur
#neuroscience #physio #movement

www.researchgate.net/publication/...

30.01.2025 18:59 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

โ€œWithout that noise aspect, the model would fail,โ€ Lynn said. โ€œIt wouldnโ€™t produce anything that worked, which was surprising to us. It turns out you actually need to balance the Hebbian snowball effect with the randomness to get everything to look like real brains.โ€
#complexityscience #neuroscience

26.01.2025 23:32 ๐Ÿ‘ 8 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Emergent properties reveal how the brain transforms countless neural sparks into unified thoughts and emotions.

The same process drives creativity, where diverse ideas combine into something greater than the sum of their parts.

#neuroscience #creativity

26.01.2025 20:22 ๐Ÿ‘ 3 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Another level of #multilevelselection in the nociceptive apparatus!

#painscience #medicine #physio #evolution

26.01.2025 15:40 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Still early but some interesting possibilities #complexityscience #medicine #health #painscience

17.01.2025 18:10 ๐Ÿ‘ 2 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Love this multilevel perspective of barriers related to pain self-management

#painscience #behavior&evolution #physio #physiotherapy #meidince.

15.01.2025 17:01 ๐Ÿ‘ 2 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Reimagining Education: The Power of AI | Dr. James Hutson | #35
Reimagining Education: The Power of AI | Dr. James Hutson | #35 YouTube video by Madhur Mangalam

An essential listen on the future of education and AIโ€™s impact on the workforce. Highlights include why shedding role-based identity is key in a rapidly changing world.

Another great interview from Madhur!

#education #science #work #ai #growth #evolution
m.youtube.com/watch?v=vFlj...

14.01.2025 00:32 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Are Tailored Interventions to Modifiable Psychosocial Risk Factors Effective in Reducing Pain Intensity and Disability in Low Back Pain? A Systematic Review With Meta-Analysis of Randomized Trials | Journal of Orthopaedic & Sports Physical Therapy OBJECTIVE: To determine whether tailored interventions based on patients' psychological profiles enhanced the outcomes of interventions in people with non-specific low back pain (NSLBP), compared to usual care. DESIGN: Systematic review with meta-analysis. LITERATURE SEARCH: Embase, Cochrane, Medline, Web of Science, CINAHL, and PsycINFO were searched from their inception until November 2, 2023. STUDY SELECTION CRITERIA: We included randomized clinical trials (RCTs) that compared psychological interventions to any alternatives without psychological components in patients with NSLBP who were stratified based on their psychological risk factors using the cutoff of the questionnaires measuring a psychological construct. DATA SYNTHESIS: The outcomes were pain intensity and disability. The revised Cochrane risk-of-bias tool for randomized trials was used to evaluate the risk of bias. The Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach was used to judge certainty of evidence. RESULTS: Twenty-nine trials were included, most presenting some concerns for the risk of bias. The certainty of evidence was mostly low, with moderate to substantial heterogeneity. Using psychological stratification, individuals who received a psychological intervention (versus usual care) reported lower pain intensity at short (MD -0.22, 95% confidence interval [CI] -0.41, -0.02) and mid-term (MD -0.37, 95% CI -0.57, -0.16). For disability, there was a larger improvement with psychological interventions versus usual care at short- (SMD -0.17; 95% CI -0.32, -0.02), mid- (SMD -0.16; 95% CI -0.28, -0.05), and long-term (SMD -0.17; 95% CI -0.29, -0.04) follow-ups. CONCLUSIONS: Psychological interventions had a positive impact, although small, on reducing pain intensity and disability in patients with low back pain and psychological risk factors.

While this analysis doesn't account for #nonergodicity, relying on group-level assumptions that must later be compared to individual data. Still, it supports the need for individualized approaches in #chronicpain.
#physio #physicaltherapy #painscience #medicine

www.jospt.org/doi/abs/10.2...

13.01.2025 15:37 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0