Entries by Leonard Van Gelder


How to tell the difference between fairytale/snake oil science and good human science?

How can one tell the difference between fairytale/snake oil science and good human science? This question is as relevant today as when Nikolaas (Niko) Tinbergen first proposed the need for critical questions determining the plausibility of biologic behavior. We are living in a world rampant with pseudoscientific explanations and interventions regarding the human organism that […]

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Human Movement Deserves Better!

There are thousands of ways to reach up into a cabinet to grab a cup. Each action is made up of a complex interaction of intention, attention, multisystem rules and behaviors, context, execution, feedback and response across multiple joints throughout the body that ultimately yields an outcome. Human movement allows for countless numbers of ways […]

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Process-Based Rehabilitation – The Way Forward

Rehabilitation, and much of healthcare, has reached a point of reckoning. We are stuck in a world where we operate in “protocol-driven clown suits”, putting on an entertaining simplified show for the world to watch. These suits ultimately relegate us to the future of becoming replaceable technicians (hello AI & robotics) that worship the idol […]

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Relational Frame Theory and the Movement & Rehabilitation Professional

“Learn it in one, derive it in two, put it in networks, change what you do” – Steven Hayes summarizing 30 years of his work related to Relational Frame Theory.   ***Please note new content was added at end of post as of 4/15/2020 Inherently, Relational Frame Theory (RFT) is an extremely complex theory to […]

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Guest Post – Ben Geierman PSMMT Review and Clinic Observations

We were honored to have Ben Geierman (@medicinal_movement_rx) attend our PSMMT November course and also spend a day observing the application of the course materials in our clinic at Dynamic Movement and Recovery. Ben has taken a number of courses over the years and has really good insight into the global picture of the Biopsychosocial […]

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A plea to everyone who works as a Movement Professional

There is an epidemic of movement professionals emphasizing outcomes without understanding “why” they are seeing the things they are seeing in human movement. Whether a rehabilitation profession, a strength and conditioning coach, or personal trainer, just because something changes, doesn’t mean that it had anything to do with the specifics of what you did, there […]