How do genetic factors influence spine health and athleticism?

Genetics profoundly influence the basic anatomical structure of an individual's spine, including disc shape and facet joint angles, determining whether someone has a 'willowy' (flexible) or 'thicker' (compressive load-bearing) spine. This impacts suitability for different sports and activities, as well as resilience to various stresses.

What is the importance of spine stiffness and stability for movement and injury prevention?

Spine stiffness, provided largely by the discs and core musculature, is crucial for both control and load bearing. It allows for efficient movement by preventing energy leaks and enabling proximal stability, which in turn directs athleticism to distal limbs. Lack of adequate stiffness can lead to collapsing under load and increased injury risk.

What is the 'tipping point' concept in training and injury prevention?

The 'tipping point' refers to the threshold beyond which stress on the body transitions from creating adaptation for robustness to building cumulative trauma. Dr. McGill emphasizes the importance of identifying and respecting this point to optimize health and performance without causing injury or maladaptive responses.

How does Dr. McGill approach assessment and rehabilitation for back pain?

Dr. McGill conducts a comprehensive, personalized assessment starting with the patient's story, learning style, and specific pain triggers (provocative testing). This precision allows him to identify the exact mechanism of pain and tailor interventions, focusing initially on avoiding pain triggers and building base resilience.

What is the biopsychosocial model of pain and why is it important?

The biopsychosocial model acknowledges that pain arises from a confluence of biological (physiological), psychological (emotional state, stress), and social factors. This model is crucial because it informs a holistic approach to pain management, recognizing that traditional physical interventions may not work if deeper emotional or neurological traumas are involved.

What are McGill's Big Three exercises?

McGill's Big Three exercises are the Bird Dog, the Curl-up (modified abdominal curl), and the Side Plank. These exercises are described as the most efficient way to build spine stability while sparing the spine from excessive stress, making them foundational for pain prevention and rehabilitation.

What are Dr. McGill's thoughts on deadlifts and squats?

Dr. McGill views deadlifts and squats as powerful tools that can be beneficial but depend heavily on individual assessment, goals, age, and biomechanics. He notes that many young people injure their backs with deadlifts due to rapid progression and lack of proper neural drive, emphasizing the importance of bone density and refined technique.

Can sitting cause back injury?

According to Dr. McGill, sitting alone cannot create new injury in a 'virgin' (untraumatized) spine. However, if there is pre-existing damage, such as a disc bulge or delamination of collagen, prolonged sitting can make it painful and exacerbate symptoms.

What is the 'Biblical Training Week' and how does it promote longevity?

The 'Biblical Training Week' is Dr. McGill's personal training philosophy, inspired by the concept of a Sabbath day. It involves two days of strength training, two days of mobility/rehabilitation, and two days of cardiovascular training, with one full rest day. This modulation and diversification of training helps prevent overuse injuries and promotes joint longevity.

Is it possible to restore youthful disc height or tensile strength with injections like PRP?

Dr. McGill states he has not seen evidence of PRP restoring lost disc height or tensile strength when injected directly into the disc. While PRP might be beneficial for muscle tears or articular joints, disc damage after injury typically shifts from adaptation to management, often requiring compromises between mobility and strength.

Why is neck strength important, and how can it be trained safely?

A strong neck is crucial for stabilizing the shoulder girdle, improving posture, and providing proximal control for pulling movements. Dr. McGill suggests isometric exercises where one pushes the tongue against the roof of the mouth and grimaces to activate flexors, or gently pushing against the hands or a wall, to build strength without shearing forces.

Why are exercises that load distal limbs beneficial, especially with age?

Loading distal limbs (like using 'heavy hands' or 'sword play' with light weights) helps keep neural pathways healthy and alive. As people age, innervation to distal muscles and fine motor control can atrophy, and these exercises help maintain neuromuscular connectivity, which can also be a marker for neurodegeneration.

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Build a Strong, Pain-Proof Back | Dr. Stuart McGill

Andrew Huberman

Science & Technology5 min read173 min video

Jul 15, 2024|708,668 views|15,611|939

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Key Moments

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TL;DR

Dr. Stuart McGill discusses back pain causes, assessment, and personalized recovery with Andrew Huberman.

Key Insights

Back pain is a symptom with multiple causes (genetics, loads, psychosocial factors) requiring thorough assessment.

Spine structure varies genetically, influencing susceptibility to bending versus compression stresses.

Disc shape, facet joint orientation also play a genetic role in mobility and injury risk.

Training should be goal-oriented, considering individual biomechanics, genetics, and pain triggers.

Managing pain involves identifying triggers, de-sensitization, and strategic training, not just avoidance.

The 'Biblical Training Week' balances strength, mobility, and cardiovascular work with adequate rest.

Core stability is crucial for distal athleticism and injury prevention, impacting overall body function.

Individualized approach to exercise, considering age, injury history, and goals, is vital.

Heavy deadlifts can be beneficial but pose risks; alternative exercises might be superior for many.

Joint health is paramount over time; avoid activities that compromise joints, especially when younger.

UNDERSTANDING THE COMPLEXITY OF BACK PAIN

Back pain is presented as a symptom, not a singular diagnosis, with a multitude of potential origins rooted in genetics, biomechanical loads, and psychosocial factors. Dr. McGill emphasizes that a comprehensive assessment is critical to identify specific pain mechanisms and then tailor interventions, much like a medical diagnosis follows the 'gather information, interpret, intervene' model. Understanding individual genetic predispositions, such as spinal structure and disc morphology, is the first step in this detailed evaluation process.

GENETIC INFLUENCES ON SPINAL STRUCTURE AND FUNCTION

Genetic factors significantly influence an individual's spinal architecture, determining whether they are better suited for high-stress bending movements or compressive loads. This is likened to dog breeds, where a greyhound is built for speed, while a St. Bernard is not. Similarly, spinal discs range from ovoid, suited for flexibility, to limacon-shaped, supporting compression. Facet joint angles, also genetically determined, dictate rotational capacity, highlighting that what constitutes an advantage for one person can be a disadvantage for another.

ASSESSING SPINAL BIOMECHANICS AND MOVEMENT PATTERNS

Evaluating an individual's movement patterns, even before considering pain, provides crucial insights. Dr. McGill observes how people move, from getting out of a car to specific joint ranges of motion. He stresses the importance of understanding how an individual's unique biomechanics, like hip socket depth or torso thickness, influences stress distribution during activities. This detailed analysis helps identify potential pain triggers and informs the selection of appropriate training and rehabilitation strategies.

THE ROLE OF TRAINING STRATEGY AND INDIVIDUAL GOALS

Training should be highly individualized and goal-dependent. Dr. McGill advocates for assessing what activities a person wants to perform, whether it's recreational golf or specific sports, and then selecting exercises that build resilience without crossing their individual 'tipping point' into cumulative trauma. For those with pain, the focus is on desensitization and avoiding triggers, gradually building capacity. For general fitness, a balanced approach that considers individual strengths and weaknesses is key.

THE BIBLICAL TRAINING WEEK AND BALANCED MOVEMENT

Dr. McGill advocates for the 'Biblical Training Week,' a philosophy of training that incorporates rest and variety. This approach involves structured days for strength training, mobility work, and cardiovascular conditioning, ensuring that the same type of stress is not applied consecutively. The inclusion of diverse activities, like splitting firewood, combines multiple training modalities. This balanced approach aims to build robustness, manage age-related changes, and maintain overall physical health, emphasizing joint preservation.

INTEGRATING THE BIOPSYCHOSOCIAL MODEL OF PAIN

Beyond biomechanics, the psychosocial model of pain is crucial. Dr. McGill acknowledges that factors like stress, sleep, emotional state, and past trauma profoundly influence pain perception and recovery. He describes how rewiring in the nervous system can create maladaptive pain responses. Treatment for these complex cases involves gentle desensitization, restoring a sense of control, and rebuilding capacity through carefully dosed movements, often deviating from purely mechanical approaches.

THE 'BIG THREE' AND STRATEGIC EXERCISE SELECTION

Dr. McGill's 'Big Three' exercises (bird dog, roll-up, side plank) are highlighted for their effectiveness in building spine stability without excessive spinal loading. He explains their quantitative impact on stability and their role in facilitating proper movement patterns at the shoulder and hip. The choice of additional exercises, however, remains highly dependent on individual assessment, aiming to select the most efficient tools to achieve specific goals while minimizing risk, particularly for those with pain histories.

DEADLIFTS, SQUATS, AND THE RISK-REWARD BALANCE

While powerful exercises, deadlifts and squats require careful consideration. Dr. McGill notes that for many with back pain, especially younger individuals influenced by social media, heavy deadlifts can be a trigger. He emphasizes that proper progression, focusing on hip hinging and matching load to individual capacity, is essential. For some, alternative exercises that target similar muscle groups without the same spinal load, like belt squats or rear-leg elevated split squats, may be more appropriate and safer.

THE NUANCES OF MOVEMENT AND AGE-APPROPRIATE TRAINING

As individuals age, training needs to adapt. Dr. McGill stresses the importance of preserving joint health and avoiding cumulative trauma. While strength is important, the ability to recover quickly and avoid injury becomes paramount. Training intensity should be modulated, and exercises should be selected to support agility and balance, crucial for preventing falls. The concept of 'idiot-proof' exercises, ensuring safety and effectiveness, guides the selection of movements for longevity.

PROPRIOCEPTION, STABILITY, AND NEURAL HEALTH

Maintaining neural dexterity and balance is vital throughout life. Dr. McGill advocates for using tools like Indian clubs or simply engaging in varied movements with the non-dominant hand to keep the nervous system agile. He highlights how muscle wasting in the calves can be a marker of neural decline. Creating anti-rotational effort during exercises and staggering stances helps balance musculature, enhancing coordination and reducing imbalances that can lead to pain, particularly as we age.

Mentioned in This Episode

●Supplements

●Tools

●Organizations

●Books

●Concepts

●People Referenced

Guidelines for a Strong, Pain-Proof Back

Practical takeaways from this episode

Do This

Gather information, interpret it, then intervene with tailored movements based on personal assessment.

Understand your genetic predisposition for spine flexibility (willowy vs. thicker) and train accordingly, but don’t push past your 'tipping point'.

Embrace spine hygiene: learn proper hip hinging, squatting, lunging, and rolling without twisting the spine.

Incorporate McGill's Big Three (Bird Dog, Curl-up, Side Plank) to build core strength and stability, sparing the spine.

For discogenic pain, perform short, frequent walks (e.g., three 20-minute walks instead of one hour).

Change postures frequently throughout the day, using tools like a sit-stand desk.

For deadlifts and squats, define your goal and choose the best tool; for general fitness, consider alternatives that don't excessively load the spine.

Adopt a 'Biblical Training Week' structure: 2 strength days, 2 mobility/rehab days, 2 cardiovascular days, with one full day of rest (Sabbath).

Focus on quality of movement and proper form over just increasing reps, especially to protect joints.

Include strategic mobility and stability exercises, such as thoracic spine extension, hip mobility, and neck work to support core stability.

Engage in activities that build distal limb strength and neural dexterity, like 'sword play' with light weights or using opposite hands for daily tasks.

Walk after every meal and before bed, making it a consistent routine for overall pain prevention.

Avoid This

Do not try to find one specific solution for back pain; it requires a comprehensive, personalized approach.

Do not continuously provoke pain, as it can sensitize the nervous system and worsen the condition.

Avoid training activities or intensities that consistently exceed your individual 'tipping point' for injury or pain.

Do not ignore the psychological and emotional components of pain (biopsychosocial model).

Avoid training with the sole outcome of building muscle; prioritize joint health for long-term function.

Do not blindly mimic elite athletes’ training techniques, as they are often genetically predisposed and highly specific.

Avoid heavy deadlifts and squats if you have limited capacity or pre-existing disc injuries, especially if you are progressing too quickly.

Do not sit in one position for long periods of time, especially if you have discogenic back pain.

Do not disregard the importance of recovery; ensure adequate rest days, especially as you age.

Common Questions

Dr. McGill states that back pain is a symptom resulting from a combination of genetics loading the gun, exposure pulling the trigger, and the psychosocial environment influencing the individual's response to pain. This means underlying genetic predispositions, specific activities or traumas, and psychological factors all play a role.

Topics

Injury Prevention Health & Longevity Neuroscience & the Brain Human Performance Spine Health Pain Management Exercise Programming Core Strength Fitness & Exercise Back Pain Relief

Mentioned in this video

Organizations

University of Waterloo

The institution where Dr. Stuart McGill works as a distinguished professor of spine biomechanics.

AthleNex

A fitness resource mentioned in reference to Jeff Cavalier's videos on neck exercises.

Concepts

St. Bernard

Used in an analogy to represent a body type not suited for high-speed performance, highlighting genetic predispositions.

Collagen Type 1

Describes the stiff, strong collagen making up approximately 80% of the disc structure.

Collagen Type 2

Describes the elastic collagen making up around 20% of the disc, contributing to flexibility.

Biopsychosocial Model of Pain

A model of pain that incorporates psychological, physiological, and social elements, including emotional state, stress, and sleep.

Fibromyalgia

A catch-all term for chronic widespread pain, mentioned in the context of maladaptive pain responses triggered by surprising stimuli.

People

Shawn Mackey

Head of the pain division at Stanford School of Medicine, an MD/PhD and proponent of the biopsychosocial model of pain.

Jeff Cavalier

From AthleNex, cited for his videos on neck exercises and the dangers of neck bridges.

Andy Galpin

Mentioned as a guest on another podcast by Andrew Huberman, where he discussed principles of gathering, interpreting, and intervening with information.

Mike Tyson

Used as an example of an athlete whose mechanics involve pulsing and relaxing muscles for explosive force, then turning to granite upon impact.

Andrew Huberman

Host of the Huberman Lab podcast and professor of neurobiology and ophthalmology at Stanford School of Medicine.

Peter Attia

Mentioned as having discussed deadlifts with Dr. McGill, specifically regarding his personal history of spine surgeries and conflicting views on the exercise.

Shane Benzy

Author of 'The Lost Art of Running,' who studied Kenyan runners and their elastic energy storage.

Andrew Lock

An Australian friend of Dr. McGill who has a collection of antique kettlebells and Indian clubs.

John Brookfield

A manual strength athlete known for bending rebar and his skill with heavy Indian clubs.

Stuart McGill

Distinguished professor of spine biomechanics at the University of Waterloo, expert in spine injuries, pain treatment, and biomechanics, author of over 250 peer-reviewed articles.

Tools & Products

Roll-up

An exercise from 'McGill's Big Three' designed to build core strength and stability while sparing the spine. Referred to by Huberman as 'modified abdominal curl'.

Indian clubs

Old-style wooden clubs, similar to bowling pins, used for strength and mobility exercises, particularly in 'sword play' movements.

Bird Dog

An exercise from 'McGill's Big Three' designed to build core strength and stability while sparing the spine.

Side Plank

An exercise from 'McGill's Big Three' designed to build core strength and stability while sparing the spine.

Products

MRI

Imaging technology used to visualize disc shape and structure, mentioned in the context of assessing spine anatomy.

Companies

Greyhound

Used in an analogy to represent a body type naturally suited for speed and specific types of performance.

Books

Antifragile

A book by TB Naim that Dr. McGill cites as an example of antifragile medicine.

Back Mechanic

Dr. McGill's book that discusses concepts like virtual surgery and strategies to alleviate back pain by identifying pain triggers. Called the 'step-by-step McGill method to fix back pain.'

The Lost Art of Running

A book mentioned for its insights into how Kenyan runners store and recover elastic energy during running.

Supplements

AG1

A daily nutritional insurance taken by Andrew Huberman for foundational nutrition, including vitamins, minerals, probiotics, and adaptogens.