Movement Logic: Strong Opinions, Loosely Held

• Episode 94: Capacities for Longevity Part 2: Power

  In this episode of the Movement Logic Podcast, Laurel and Sarah explore why power training deserves a spot in your movement routine—especially as you age. They kick things off by reviewing the different types of strength before introducing the concept of power, breaking down the fact that, yes, there are different types of power too.You’ll hear why power is critical for balance, fall prevention, and quick, reactive movements that keep you moving safely and independently in daily life. Laurel and Sarah explain how power tends to decline faster than strength as we get older—and why that matters—along with how the right kind of training can help you maintain and even improve it.They share real-world examples of power in action, clear up common misconceptions, and highlight the key principles that make power training both safe and effective. Plus, they give a sneak peek into their upcoming course designed to make power training approachable, progressive, and even—dare we say—fun.SIGN UP HERE to take a free Bone Density Course class with us LIVE April 26th 8am PT / 11am ETFollow @MovementLogicTutorials on Instagram00:00 Introduction and Banter00:15 Discussion on PTs Calling Themselves Doctors01:17 Observations about the Bench Press from Recent Classes05:05 Upcoming Free Bone Density Class07:08 Series on Physical Capacities for Longevity10:11 Strength vs. Power11:54 Importance of Power Training for Older Adults38:43 Force-Velocity Curve Explained44:58 Types of Power49:08 Applying Strength and Power in Sports and Daily Life57:19 Neuromuscular Adaptations in Strength and Power Training01:02:35 The Stretch Shortening Cycle and Power Training01:08:07 The Importance of Power Training for Longevity01:21:08 Cultural Misconceptions About Power Training01:24:53 Teaser for Our New Course on Power01:27:48 Conclusion: The Importance of Power TrainingRESOURCESEpisode 60: Dismantling Long & Lean Pt. 1Episode 90: Capacities for Longevity Pt. 1: StrengthSys review and MA: Power v Strength for Older AdultsSys Review and MA: Power to Reduce Falls RiskForce Velocity Curve (the banana!)Episode 37: Plyometrics - More Bang for Your BonesLachlan James paper - Not All Strength is Created Equal + Table from NSCA with Each Classification

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• Episode 93: Should You Avoid Spinal Flexion with Osteoporosis?

  In this episode of the Movement Logic Podcast, hosts Laurel Beversdorf and Dr. Sarah Court critically examine common beliefs surrounding spinal flexion exercises and osteoporosis, particularly from a yoga and Pilates perspective. They delve into two pivotal studies on exercise and fracture risk, both led by Dr. Mehrsheed Sinaki, a renowned specialist in physical medicine and rehabilitation at the Mayo Clinic in Rochester, Minnesota.The first study, Postmenopausal Spinal Osteoporosis: Flexion versus Extension Exercises, is frequently cited on Pilates websites and in yoga and Pilates teacher trainings as evidence that spinal flexion is risky for individuals with osteoporosis—even during bodyweight exercises. However, despite its widespread use to justify movement restrictions, the study has notable methodological flaws. The second study, Stronger Back Muscles Reduce the Incidence of Vertebral Fractures: A Prospective 10-Year Follow-up of Postmenopausal Women, suggests that progressively overloaded back strengthening exercises can reduce fracture risk—even if the strengthening occurred only for a few years in the distant past. Yet, this study also has its own limitations.When viewed together, these studies present an intriguing contrast: one warns of the potential dangers of spinal flexion (even under low loads) based on weak evidence, while the other highlights the lasting protective benefits of strength training. Laurel and Sarah explore why bodyweight spinal flexion is often singled out as risky and question whether this caution is always justified.They also discuss the ethical implications and the boundaries of a movement teacher's scope of practice—particularly when making broad recommendations to avoid certain movements based on limited or flawed research. The hosts emphasize the importance of individualized context in exercise prescriptions, the need to follow medical guidance from a student’s doctor, the evidence-backed benefits of strength training, and the necessity of empowering students with the autonomy to make informed movement choices.Get on the wait list for our Bone Density Course: Lift for LongevityFollow Movement Logic on Instagram00:56 Podcast Production & Content Creation01:33 Bone Density & Squat Depth02:20 Benefits of Full ROM Strength Training08:24 Is Spinal Flexion Dangerous for OP?10:00 Issues with Yoga/Pilates for OP Classes18:43 1984 Paper: Flexion vs. Extension for OP40:22 Flaws in the 1984 Study41:57 2002 Study: Stronger Back Muscles & Fractures43:03 2002 Study Design & Methods46:35 2002 Study Key Findings52:09 2002 Study Limitations56:30 Practical Takeaways01:06:15 Ethics for Movement Teachers01:17:43 ConclusionReferences:Episode 77: Make Dr. Loren Fishman Make SenseEpisode 92: Are You Getting Dexa Scammed? 1984 Sinaki paper 2002 Sinaki paper

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• Episode 92: Make Dr. Loren Fishman Make Sense

  In this episode of the Movement Logic podcast, Laurel and Sarah dissect a recent email they received from Dr. Loren Fishman, in which he expressed frustration over their critique of his study on yoga and bone density. In this episode, they address Fishman's email and take another look at his study, Twelve-Minute Daily Yoga Regimen Reverses Osteoporotic Bone Loss. Laurel and Sarah's conversation explores claims made in the email, as well as Fishman's study’s methodology and findings. They compare his claims against established evidence on bone adaptation and emphasize the importance of high-load and high-impact exercise for building bone. They also highlight the need for exercise recommendations to be grounded in solid, evidence-based research—especially for women looking to prevent or reverse osteoporosis and osteopenia.Get on the wait list for our Bone Density Course: Lift for LongevityFollow Movement Logic on Instagram00:00 Introduction00:47 Personal Updates & Course Insights14:25 Critique of Dr. Fishman's Yoga Study52:45 Critique of Yoga's Efficacy in Bone Building53:03 Mechanostat Theory and Bone Adaptation55:18 Challenges in Measuring Yoga's Impact on Bones01:06:17 Dynamic vs. Isometric Contractions in Exercise01:10:20 Unfalsifiable Claims and Scientific Inquiry01:15:16 Turkey Studies and Sustained vs. Intermittent Loading01:18:14 Dynamic Strength Training vs. Impact Training01:18:28 Cellular Accommodation and Running01:19:00 The Importance of Rate of Loading01:21:21 Critique of Yoga for Osteoporosis Claims01:26:24 Red Herrings and False Comparisons01:51:41 Concluding ThoughtsREFERENCESFishman’s StudyThe poses in Fishman’s studyTables of P values and more P values from Fishman’s studyEpisode 79: Make Yoga U Make SenseEpisodes on the Movement Logic podcast 5, 38, 51, 53, 84, and 88 that referenced Fishman’s paper.Episode 56 of the Yoga Research & Beyond podcast that looks at Fishman's paper.LIFTMOR trialLIFTMOR-M trialMedex OP Randomized Controlled TrialMeta-analysis on High-Load Resistance Training (HLRT)Systematic Review on Pilates and YogaBone "mass" and the "mechanostat": a proposal (Frost, 1987)Molecular pathways mediating mechanical signaling in boneEpisode 82: Weird Science1984 and 1985 Turkey Study

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• Episode 91: LIFTMOR, Not Less: An Interview with Professor Belinda Beck

  In this episode of the Movement Logic Podcast, Sarah and Laurel are thrilled to interview esteemed exercise scientist Professor Belinda Beck, investigator in the groundbreaking LIFTMOR trial. They discuss the necessity of high-intensity resistance and impact training for improving bone density, comparing it to less effective exercises like Pilates, yoga, and walking. Professor Beck shares insights on her LIFTMOR, LIFTMOR-M, and MEDEX-OP studies, underlining the importance of mechanical loading for bone health. They explore the misleading promotion of devices like OsteoStrong or courses like Buff Bones that do not provide the necessary rate of loading or magnitude of load to impact bone density. The conversation elucidates the mechanisms of bone adaptation and defends high-intensity training as essential for combating osteoporosis.00:20 Bone Density Course Progress06:28 Guest Introduction08:25 Interview with Professor Belinda Beck16:59 Understanding Bone Health and Research23:46 Bone Adaptation and Remodeling36:15 Bone Remodeling and Exercise Breaks37:52 Exercise Types and Bone Response39:35 Strength Training and Client Engagement42:37 Effective Exercise for Osteoporosis44:00 Impact of Weight-Bearing Activities48:47 High-Intensity Training for Older Adults53:14 Impact Training and Bone Health01:02:12 Marketing vs. Science in Osteoporosis Treatment01:04:09 Comparing Exercise Programs for Bone HealthReferences:Get on the wait list for our Bone Density CourseOnero at the Bone ClinicBecome an Onero ProviderHigh-Intensity Resistance and Impact Training Improves Bone Mineral Density and Physical Function in Postmenopausal Women With Osteopenia and Osteoporosis: The LIFTMOR Randomized Controlled TrialA Comparison of Bone-Targeted Exercise Strategies to Reduce Fracture Risk in Middle-Aged and Older Men with Osteopenia and Osteoporosis: LIFTMOR-M Semi-Randomized Controlled TrialA Comparison of Bone-Targeted Exercise With and Without Antiresorptive Bone Medication to Reduce Indices of Fracture Risk in Postmenopausal Women With Low Bone Mass: The MEDEX-OP Randomized Controlled TrialREMS Echolight Bone ScanPaul Grilley Bone PhotographsMechanosensitivity of the rat skeleton decreases after a long period of loading, but is improved with time offEpisode 53: Your Bones Are BoredExercise to prevent falls in older adults: an updated systematic review and meta-analysisOptimum frequency of exercise for bone health: randomised controlled trial of a high-impact unilateral interventionOsteostrong: 3 Things You Should KnowTwelve-Minute Daily Yoga Regimen Reverses Osteoporotic Bone LossBuff Bones

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• Episode 90: Capacities for Longevity Part 1: Strength

  We start off Season 6 with Part 1 of our 3 Part series on Longevity. What are the capacities we need to retain or develop in order to continue to live the lives we want to at the end of our lives? In Part 1, hosts Sarah Court and Laurel Beversdorf dive deep into the capacity of strength. We discuss the difference between strength endurance and maximal strength, and the myriad benefits of heavy strength training at any age. The episode includes discussions on common functional mobility tests for seniors, the neural adaptations resulting from heavy lifting, and practical guidelines for transitioning from endurance strength to heavy weights. Sarah and Laurel emphasize the long-term advantages of incorporating heavy lifting into regular exercise routines.00:00 Welcome to Season Six00:19 Couch Recording Fun01:14 Notes from the Bone Density Course04:59 Three-Part Series Introduction06:09 Strength and Longevity21:52 Strength Endurance Explained35:03 Maximal Dynamic Strength vs Isometric Strength42:44 Functional Tests for Seniors51:04 The Timed Up and Go Test54:29 Understanding Grip Strength and Its Importance01:11:42 The Five Times Sit to Stand Test01:13:38 Building Strength Endurance01:18:16 The Benefits of Heavy Strength Training01:33:53 Improving Bone Density Through Strength Training01:39:28 Enhancing Metabolic Function with Strength Training01:42:26 The Value of Strength for Longevity01:45:27 Conclusion and Final ThoughtsLinks:Timed Up and Go Test5x Sit to Stand TestSign up here to get on the Bone Density Course wait list and receive free content and the only available discount!

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