Episode

054- Drs. Chris Malaya and Josh Haworth Discuss Motor Control, Posture and Chiropractic

Drs. Christopher Malaya and Joshua Haworth

Drs. Chris Malaya and Josh Haworth discuss motor control, posture and chiropractic research in this episode. Dr. Chris Malaya is a research associate at Parker University in Dallas, Texas. He graduated from Parker in 2018 with a Doctorate in Chiropractic and is currently pursuing a PhD in Motor Control from the University of Houston. His current research interests are in sensorimotor integration, postural control and adaptation, as well as the neural mechanisms of manual manipulation. His overall goal is to help expand the foundational mechanisms and practical applications of manual joint manipulation as it relates to movement and neural rehabilitation.

Dr. Josh Haworth’s research focuses on the mechanisms responsible for the integration of sensorimotor information in the production of human behavior. He uses eye-tracking combined with motion capture and posturographic measures to identify motor strategies used during daily tasks like upright standing, walking, and interpersonal communication. Extensions of this work include the identification of early indicators of clinical disorders and the production of novel therapeutic modalities. He has many active collaborations with colleagues in fields including chiropractic science and pediatric rehabilitation technology. He is focused to better understand the development of motor and social-cognitive skills in children with, and without, autism. 

View Dr. Christopher Malaya’s research at Parker University and researchgate.net and Dr. Josh Haworth’s research at Oakland University and researchgate.net.

Below are the studies that Drs. Chris Malaya and Josh Haworth discuss in this interview.

1.Immediate impact of extremity manipulation on dual task performance: a randomized, crossover clinical trial.Malaya CA, Haworth J, Pohlman KA, Smith DL.Chiropr Man Therap. 2021 Feb 5;29(1):6. doi: 10.1186/s12998-021-00366-5.PMID: 33541378 Free PMC article.
2.Impact of Extremity Manipulation on Postural Sway Characteristics: A Preliminary, Randomized Crossover Study.Malaya CA, Haworth J, Pohlman KA, Powell C, Smith DL.J Manipulative Physiol Ther. 2020 Jun;43(5):457-468. doi: 10.1016/j.jmpt.2019.02.014. Epub 2020 Aug 14.PMID: 32800642
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030- Chiropractic, Exercise and Response Time, Letters to Editor and Case Studies with Dr. Dean Smith

Dr. Dean SmithListen as Dr. Gregory Cramer interviews Dr. Dean Smith regarding his research involving chiropractic as well as exercise on response time, letters to editor and case studies. Dr. Dean Smith is a senior clinical faculty member in the Department of Kinesiology and Health at Miami University. He also maintains a private practice of chiropractic in Eaton, Ohio at Essence of Wellness Chiropractic Center. He is founder and host of Chiropractic Science – this podcast. Chiropractic Science is dedicated to publicizing chiropractic research through podcast interviews with leading chiropractic scientists.

In his private practice, Dr. Smith incorporates lifestyle intervention (exercise, nutrition, other non-drug methods) with chiropractic adjustments and other manual methods to encourage wellness. He has been in practice now for 20+ years. Dr. Smith’s education includes a bachelor’s degree in human biology, a master’s degree in exercise science, a doctor of chiropractic degree and a PhD in brain and cognitive science with a focus on motor behavior and postural control.

His research interests lie broadly in the area of human movement and coordination. He is most interested in how chiropractic, exercise and rehabilitation affect human performance. His scientific articles have been published in such journals as Human Movement Science, Journal of Manipulative and Physiological Therapeutics, Journal of Strength and Conditioning Research, Chiropractic Research Journal, Chiropractic and Osteopathy and The Open Neurology Journal.

Dr. Smith has played several competitive sports such as soccer, hockey and golf. He had a varsity golf scholarship at Miami University where he now teaches and does research. He has provided chiropractic care to professional athletes including Women’s Tennis Association tour pros at the Canadian Open. He also works with varsity university and high school athletes. Dr. Smith is also an Internationally Certified Chiropractic Sports Practitioner (ICCSP).

Here is a link to Dr. Smith’s research articles on research gate.

Below are some articles we discuss in this podcast episode:

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021- Learning to Adjust and Neuromuscular Responses to Manipulation with Martin Descarreaux, DC, PhD

Dr. Martin Descarreaux and I discuss his research regarding learning to perform chiropractic adjustments, neuromuscular responses following spinal manipulation and several other studies.  Dr. Descarreaux graduated from the UQTR’s first cohort of the chiropractic program in 1998, and completed a PhD in kinesiology at the Université Laval 6 years later. He is now a full professor in the Human Kinetics Department (UQTR), and an invited professor and researcher at the Institut Franco-Européen de Chiropraxie, in Paris and Toulouse. His current research projects involve the characterization of the neurophysiological and biomechanical effects of spinal manipulation, the various effects of pain and pain-related psychological components on trunk neuromuscular strategies, as well as spinal manipulation learning, as can attest the numerous articles he has published on these topics. Over the years, he has developed several strategies to better integrate motor learning principles, which have been shared with students, professors and those responsible for clinical training within chiropractic teaching institutions not only in Canada, but also in Europe. His work in this specific area has contributed to the characterization of the adjustment learning sequence, and showed the importance of augmented feedback in the technical training of future chiropractors. He is currently the Director of graduate studies in human kinetics and director of the Groupe de recherche sur les affections neuromusculosquelettiques at UQTR.

Take a look at Dr. Descarreaux’s publications at researchgate.

Here are the links to the articles we discussed in this interview:

1. Effects of practice variability on spinal manipulation learning.
Marchand AA, Mendoza L, Dugas C, Descarreaux M, Pagé I.
J Chiropr Educ. 2017 Jan 25. doi: 10.7899/JCE-16-8. [Epub ahead of print]
PMID: 28121458 [PubMed – as supplied by publisher]
Similar articles
2. Influence of Lumbar Muscle Fatigue on Trunk Adaptations during Sudden External Perturbations.
Abboud J, Nougarou F, Lardon A, Dugas C, Descarreaux M.
Front Hum Neurosci. 2016 Nov 14;10:576.
PMID: 27895569 [PubMed – in process] Free PMC Article
Similar articles
3. Physiological and Psychological Predictors of Short-Term Disability in Workers with a History of Low Back Pain: A Longitudinal Study.
Dubois JD, Cantin V, Piché M, Descarreaux M.
PLoS One. 2016 Oct 26;11(10):e0165478. doi: 10.1371/journal.pone.0165478.
PMID: 27783666 [PubMed – in process] Free PMC Article
Similar articles
4. Neuromechanical response to spinal manipulation therapy: effects of a constant rate of force application.
Nougarou F, Pagé I, Loranger M, Dugas C, Descarreaux M.
BMC Complement Altern Med. 2016 Jun 2;16:161. doi: 10.1186/s12906-016-1153-6.
PMID: 27249939 [PubMed – indexed for MEDLINE] Free PMC Article
Similar articles
5. Systematic Augmented Feedback and Dependency in Spinal Manipulation Learning: a Randomized Comparative Study.
Lardon A, Cheron C, Pagé I, Dugas C, Descarreaux M.
J Manipulative Physiol Ther. 2016 Mar-Apr;39(3):185-91. doi: 10.1016/j.jmpt.2016.02.002.
PMID: 27016338 [PubMed – in process]
Similar articles
6. Effects of a prehabilitation program on patients’ recovery following spinal stenosis surgery: study protocol for a randomized controlled trial.
Marchand AA, Suitner M, O’Shaughnessy J, Châtillon CÉ, Cantin V, Descarreaux M.
Trials. 2015 Oct 27;16:483. doi: 10.1186/s13063-015-1009-2.
PMID: 26507388 [PubMed – indexed for MEDLINE] Free PMC Article
Similar articles
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005- Human Performance with Dr. Steven Passmore

Passmore Headshot 2012

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Listen to Dr. Dean Smith interview Dr. Passmore regarding the science relating chiropractic to human performance. Dr. Passmore is Assistant Professor in the Faculty of Kinesiology & Recreation Management at the University of Manitoba.  He also holds adjunct appointments in the College of Rehabilitation Sciences at the University of Manitoba, the Research Department at New York Chiropractic College, and the University of Ontario Institute of Technology.  His expertise deals with human perceptual learning and motor control.  Dr. Passmore utilizes his theoretical and applied background in perceptual motor behaviour to explore performance-based outcome measures in an attempt to objectively determine population characteristics, movement outcomes and sustainability of interventions.  Dr. Passmore practiced as a chiropractor in the Buffalo Veterans Affairs Medical Center (2007-09), and is currently in practice in Manitoba. He has held competitive grants from the Canadian Institutes for Health Research (CIHR), the Worker’s Compensation Board of Manitoba (WCB), Research Manitoba (RM), the Manitoba Medical Service Foundation (MMSF), and the Alexander Gibson Fund.

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