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Tag: habits

Are You Ready to Change?

Why do humans get ulcers? It’s a bit of a dated topic at this point. Robert Sapolsky’s renown book “Why Zebras Don’t Get Ulcers” came out 25 years ago. The simple points of stress are pretty well understood, especially in health and fitness.

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Course Recap: Rethinking the Big Patterns Seminar with Dr. Pat Davidson

We had a grand ol’ time this past weekend here in San Francisco.

One of the top two meatiest PhDs I know came by to tell us how to create pro-exercise habit loops and build sensorimotor competency in high stress humans.

The other meatiest PhD I know was one of my old professors: Dr. Zach Riley.

Pat Davidson deadlifting a trap bar
Pat Davidson, PhD
Zach Riley throws the stone June 18 in the Gaylord (Michigan) Highland Games and Air Show. Submitted
Zach Riley, PhD

Pat Davidson is a riot. He’s a high energy, hilarious lecturer.

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Don’t Let Your Squat Suck

I was at the gym the other day and I saw one of our clients, Ben, performing some front squats incorrectly. I decided to turn the camera on to show you guys how I might troubleshoot a problem like this. Watch the video below to see what I’m talking about. (If the words are in the way, turn of the subtitles by hitting the “CC” button in the player.)

 

Why Should I Bother Fixing This?

There are four types of forces that our joints experience:

  1. Tensile
  2. Compressive
  3. Shear
  4. Bending

loads

Tensile (b) is like what your shoulder feels when you hang from a bar. This is a lengthening force.

Compressive (c) is like what all your joints do when you brace for a heavy squat. This is the method that we use to stabilize ourselves.

Shear (d) is like when a running back performs a cut, but someone dives on his ankle. The lower leg is directed inward while the upper leg is moving out.

Bending (e) is like when an MMA fighter receives a leg kick in the middle of the shin.

So given this, teacher Lance has two questions for you:

  1. What kind of force would be the most detrimental at a joint like the knee?
  2. What kind of force is vastly increased when you collapse inward on a squat?

The answer for both is the same: shear force.

Lots of my coaching has the same objective: minimize the shear forces to increase longevity. I’d much rather have compression over shear because then the bones can help out – they are really good at handling compression. What handles shear? Ligaments and other soft tissue in the joint. Too much shear at the knee and these tissues blow out. How many people do you know with an ACL or MCL injury?

Keep in mind that a little bit of shear if I’m testing the amount a joint moves (known as “joint play”) is not nearly the same as when the running back we talked about earlier gets his lower leg pushed in. The latter is much more severe because in addition to the external shear force (a force from outside his body) there is also a ton of compression on the knee joint from the body’s weight, momentum, and from contracting muscles. Combining the two is what exacerbates the problem: the joints are not as congruent AND they have to deal with a bunch of other crap.

But I may not always cue the knee position first. It depends on the person.

 

The Individuality Principle

One of the first things that you learn in Exercise Science courses is that everyone is different. It’s hard to generalize findings across a population, so you have to get really good at observation. Each rep performed is an experiment that you must evaluate to draw a conclusion. You’re doing research in your head. This research differs from publications like Nature and Pain in that it is anecdotal evidence and results from amassing many n=1 case studies—and you didn’t need to spend a day going through IRB training. As you collect more data (i.e. experience), you get more confident that what you’re finding isn’t an anomaly. As I’ve learned from watching a countless number of people squat, there are six schemas in my mind in which I will place a client before I decide what my cues will be. These schemas make selecting cues nearly subconscious (my basal ganglia and I are reinforcing a habit), which allows me to focus on my interpersonal demeanor (which is arguably more important anyways).

  1. Females with prior knee injury
  2. Males with prior knee injury
  3. Female athletes
  4. Male athletes
  5. Children
  6. Everyone else

I want perfect knee position in everyone with whom I work. I would, however, triage each person a little differently depending on how they present and which group from above they fall under. Each of these groups elicits a different level of my concern for their knees. I’m not as wary of a non-athlete-but-still-athletic male hurting his knees during our time together as I am when I’m working with a middle-aged female who’s already had a total knee replacement. Let me explain why I make each distinction.

 

Prior Knee Injury vs. No Injury History

The brain changes itself with experience. This allows you to be better at the things you do more often. The plastic nature of this wonderful machine (called neuroplasticity) is what helps stroke patients recover function after their injury. It allows everyday people to become more athletic. It allows Leonardo da Vinci to dabble in everything. Your brain has a map of function similar to a topographical map. The peaks and valleys correspond to bigger or smaller reactions to stimulation.

Topographic map of Israel

During my internship in Indiana University’s Motor Control Lab, we had a project where we stimulated certain areas of the brain and measured the output in the hands. This gave us an initial map or the cortex. Then the subjects went and texted on their phones for a few minutes and were mapped again immediately after.

There are two points I’d like to make:

  1. If you don’t text at all, that area of your brain looks like flatlands and doesn’t change much after you introduce this novel stimulus. This is akin to the light colors on the map above.
  2. If you text a lot, that area of your brain is mountainous. You have more dark red areas.

So we could visualize the brain’s adaptation to a stimulus (texting) over the long-term by measuring how proficient you were at texting and the short-term by measuring the change in your cortical map after a trial. This demonstrates the plastic nature of the brain.

Needless to say, plasticity is a broad topic that I’ve oversimplified, but it is important to note that it doesn’t always work to our advantage.

Think about your daily habits. If you have ice cream every night, it gets easier and easier to have ice cream at night as those pathways become reinforced.

The same goes for people who have injured their knee(s). After an injury, the structural damage can heal, but pain may still persist because those pathways associated with the pain are still there. I can’t know what caused the injury or if there is still structural damage, but I do know that noxious signals (nociception) are neither necessary nor sufficient for pain. I need to empathize with my client so that I can understand how someone’s brain views its body. Nothing they feel is fake, but feelings between people are difficult to normalize.

It becomes easier and easier for those knees to hurt as the nervous system becomes more sensitive. If this is you, you could have less room for error when performing an exercise.

People with prior injury are psych patients.

I know it sounds wishy-washy, but the reality is that it’s not the same for any two people. This is just a red flag that I must be cognizant of as a coach. Experience tremendously shapes how you see each person.

If you want more, the following abstract from Moseley 2003 (full text) offers a great scientific summary of this. When he says “neuromatrix”, what he is talking about is the group of nerve cells that fire when pain signals need to be sent.

This paper presents an approach to rehabilitation of pain patients. The fundamental principles of the approach are (i) pain is an output of the brain that is produced whenever the brain concludes that body tissue is in danger and action is required, and (ii) pain is a multisystem output that is produced when an individual-specific cortical pain neuromatrix is activated. When pain becomes chronic, the efficacy of the pain neuromatrix is strengthened via nociceptive and non-nociceptive mechanisms, which means that less input, both nociceptive and non-nociceptive, is required to produce pain. The clinical approach focuses on decreasing all inputs that imply that body tissue is in danger and then on activating components of the pain neuromatrix without activating its output. Rehabilitation progresses to increase exposure to threatening input across sensory and non-sensory domains.

If you want to delve further into the topic of pain science, look up G. Lorimer Moseley on the internet. This DVD is fantastic and even comes with a list of references for you to find and read.

 

Females vs. Males

Gender is the next thing I process. Structurally, the two sexes are quite different, especially when it comes to the hips and knees, but also with hormonal make up.

The hormones, which fluctuate all the time, can also predispose a woman to winding up in an extension-based stabilization pattern because progesterone speeds up respiration. Suffice to say that this is undesirable. Women also tend to be more loosey-goosey from these hormones and the social stigma that they should be more flexible than men.

There isn’t a whole lot we can do about the hormones, at least in the short-term, and it doesn’t change the fact that I still need to clean up the movement, so let’s bring our focus back on the biomechanics.

The upper leg bone angles inward from the hip to meet the knee. The angle of the upper leg bone to the lower leg bone forms what is known as the Q angle.

Q angle

Since women have wider hips that are more suitable for child-bearing than male hips, the upper leg bone starts further out and this Q angle gets bigger. This is normal, but it also predisposes women to a type of shear stress called valgus stress. As we talked about before, more shear means more bad.

Again, this doesn’t mean anything on its own, but you need to be aware.

 

Athletes vs. Non-Athletes

Why do I care if you’re an athlete? Athletes are constantly pushing themselves to the limit. I want my athletes to choose the right movement strategy whenever possible. I don’t want them to blow out a knee without anyone around them (in sniper fashion). I need to make sure they are reinforcing the safest positions possible in the gym. Gradual exposure to these safe positions makes their brain used to finding this pattern and gives them the ability to access it subconsciously. Remember plasticity and habits?

Said another way, I will cue proper knee position because I want athletes to have sufficient variability to adapt to the demands imposed upon them. I want them to be antifragile. Open environment sports are games where the outcome is determined by more than just your personal performance. These sports require you to react to the changing environment – avoid the other team’s defenders and neutralize their attackers. Different athletes need different levels of variability, but if you consider our running back again you realize he needs to have many different movements available to him to avoid being tackled. If he can’t turn left as well as he can turn right, then the smartest opponents will force him to turn left every play.

If you’re an athlete who plays a closed environment sport, then you need less variability to perform your sport. A powerlifter doesn’t need as much variability as a football player.

 

Children vs. Adults

The last distinction I make is whether or not the person I’m training is fully developed or not. Children are more resilient, yes, but they are also more susceptible to change.

Wolff’s law says that bones will remodel themselves based on what type of stresses they encounter. This law suggests you can view Osgood-Schlatter disease as a results of overuse rather than something you were destined to develop, but remember that both genes and environment play a role.

Training kids is all about development. I want them to learn how to deal with all types of forces (remember that neuroplasticity from above), but if I’m going to give them any sort of load in the gym, those knees best be in the right position.

Remember rule #1: do no harm.

 

How Can I Tell if My Knees Are in the Correct Position?

So I’ve been talking about all this position stuff and you’re thinking, “Uhh… I had an ACL injury. Do I need help?”

I gloss over it quickly in the video above, but what you need to look for is the knee’s relationship with the hip and foot. If you draw a straight line from the hip to the foot and it intersects the middle of the knee, then you’re golden, Ponyboy.

If the knee falls in or out of that line, then it’s worth fixing.

Different possible knee positions during a squat

After you look at the picture above, go back up and watch the video again. Can you see what I’m talking about in Ben? With valgus, you’ll see the arches of the feet collapse (like in the video). With varus, you’ll see a rolling on the outside of the foot.

 

Okay, My Knees Suck. How do I Fix It?

The simplest way to fix it is to think “turn the knees out”. This, however, doesn’t always get you what you want. Sometimes a better cue is “open the hips”, and you’ll see in the video that I use a combination of these two for Ben.

My favorite cue, however, for fixing hip, knee, and foot alignment is an all-encompassing one. Imagine you’re standing on a towel, then spread your feet like you’re trying to stretch the towel apart. If I’m working with someone, I’ll first explain the cue like I just did with you, then make it so that I can just say, “Spread the floor,” during a set and they know what I’m talking about. This cue is so great because it accounts for the hips shifting, the knees rolling in or out, and the foot’s contact with the ground. If you want to be stronger instantly, you need to try this cue.

My experience is that usually the hip is driving the knees and feet inward, but sometimes the feet are behind the proverbial wheel. If either of these cues don’t work, I would attack the feet next. Cue their foot into the right position and make sure they are in appropriate footwear. Below is a video on each of these two subjects.

If all of these cues have failed, squats are the wrong exercise for you. Choose a better one or hire a trainer to do it for you.

 

Summary

Here is a list of things to do to start cleaning up your squat:

  1. Take a video of yourself squatting with a view from the front or the back (side views won’t work). Do a couple reps.
  2. Look at your position at the bottom of the squat (knee instability is more pronounced at the bottom). Are your knees inline with your hips and toes?
  3. Spread the floor.
  4. Re-evaluate to see if it worked. If it didn’t, change up your plan.

This is basic biomechanics that I wish were common knowledge, not just among trainers but everyone. If you have a friend who had knee surgery (or is a woman), help them out and share this article with them.

What questions do you have? Leave them in the comments below.

Book Review: The Power of Habit by Charles Duhigg

Rationale for reading: Hope to improve my ability to keep clients accountable. Recommendation from Zach Moore.

Book summary: Habits are initiated with a cue and reinforced with a reward. If you understand how habits are made, then you can adjust your behavior. Find the cue and reward for your habit, then change the routine.

Review summary: I initially listened to this book, and it was so good I picked up a hard copy as well. There are a lot of pieces of the book that I left out of this review. There are some great stories, especially the chapter about Target and the chapter about the gambler vs. the widower. Very user-friendly book with a plethora of citations in the back. Highly recommended.

Suggested audience: Anyone who interacts with people, especially if you coach them to change their habits.

 

Stuck in My Ways

In the past, every time I got hungry while I was at home, I would make some food and go lay down to watch TV while eating. This severely ate up my productivity (pun intended because I like them).

I could be on a mission to get things done. Wake up at 6AM, go downstairs and power through a book for hours. Maybe noon hits: “I need to refuel.”

Go eat: “Man that show is good. I better watch another.” And another. And another…

It’s hard to get out of a habit.

But once I recognized what was putting me into this loop, I was able to change. Now I can eat and go back to working. Charles Duhigg explains the process well in “The Power of Habit“, and I’m going to outline some key points for you.

 

How Habits Work

The habit loop

I talked about this a little in a post the other day over on the IFAST website, but habits work in a cycle of mostly predictable steps. A cue tells you to do something, then you are rewarded. The more you do this, the more ingrained it becomes.

How does it get stored? Well one of the older parts of our brain, the basal ganglia, takes care of that. Storing habits is easy to take for granted because they become innate – you just do them – but consider what would happen if you had to think every single time you did every single thing.

When you’re first learning to drive, you step in, adjust the seat, adjust the steering column, look to see where the lights are, look to see where the windshield wipers are, remember to press the brake before coming out of park, move your transmission because you accidentally shifted into neutral instead of reverse, completely stop at stop signs to make sure nobody is coming (hopefully you still do that), and stay in the right lane.

Now when you’re driving you jump in, start going as you’re closing the door, “slow down – look – we’re good” when you turn, lean your seat way back, loosen your grip on the steering wheel, listen to music, put on your makeup, eat a sandwich, and yell at the kids… all at the same time.

If every decision and observation we made was conscious, we would be less productive and easily overwhelmed. Our basal ganglia helps with that.

Thanks little guy!

People with a damaged basal ganglia get locked up when they try to do simple tasks like choosing a path for their morning walk or ordering lunch at a restaurant. They can’t read body language because they aren’t quite sure what they should focus on.

A caveat, however, is that the basal ganglia can’t distinguish between helpful and harmful habits. If you repeat it, it shall stick. But if you learn to observe the cues that trigger your behaviors and the rewards you receive – the driving force – you can begin to change habits.

Cue —> Routine —> Reward. Simple enough.

But that’s not the whole story.

 

How to Create New Habits

A cue and a reward are not enough to make a habit stick. Your brain also needs to crave that reward.

In exercise, the best example are people who start running. Usually they start on a whim because exercise is supposed to be good for you, but they continue because they crave that “runner’s high”. They like the way they feel and the person they become when their body releases endorphins (happy hormones). After a while, they start to anticipate this feeling and their brain gets excited. It gets easier and easier for them to reinforce this habit.

But what happens when they get stuck at work and can’t go for their run? They get irritable. (Though they would get less irritable than someone who’s routine is going for a smoke.)

If you want to create a habit, create a craving.

 

Why Transformation Occurs

The golden rule of habit change: You can’t extinguish a bad habit, you can only change it.

No amount of will can take away that pattern in your brain, but you can build over it. Use the same cue and reward to take advantage of the pattern you’ve built, but change the routine.

Lets set up an example.

  • Cue: Seeing a jelly donut.
  • Routine: Eating a jelly donut.
  • Reward: Sugar high.

Soon enough, seeing a jelly donut creates a craving for a sugar high.

What if when you got a craving for sweets, you first ate an apple? You may still have the sweets after, at least initially, but you’ve begun building a new habit. Physiologically, the sugar in the fruit mitigates your body’s desire for blood glucose – i.e. your blood sugar still elevates, but to a level that is less detrimental to your health and body composition goals. The next step would be to have a handful of veggies when you get a craving for sweets. Then maybe fruit if you need it. You still increase blood sugar and you still feel good after, but you don’t need as much as you did before. You’ve then used a habit to please your pancreas and fight off type II diabetes mellitus.

So replace the routine. Okay. That’s easy.

But that’s not it.

You have to take into consideration why you’re craving your reward in the first place. Consider people who unleash their inner alcoholic when a relative dies. You can replace drinking with a new routine, but when they’re next relative dies, relapse is inevitable. They NEED alcohol to medicate them because otherwise they can’t deal with the stress. Or, more specifically, they FEEL they need to be medicated.

But when an alcoholic goes to Alcoholics Anonymous, they see other people. They hear their stories. They think, “I’m just like this guy… and it worked for him. Maybe it can work for me.”

You need to instill the belief that change is possible. If you’re my client, I’m not going to let you assume you have to stay unhealthy. I’m going to find the bright spots and show you that change is possible.

 

Actionable Steps

Take out a piece of paper.

Choose a habit you want to change. Why do you want to change it? When does it happen? What is the cue that sparks this behavior? What reward do you crave? Write those down.

Draw out your own habit loop. A cue triggers a habit which leads to a reward which reinforces the loop.

Now what is going to be your replacement habit? Make sure it still gives you the reward you crave.

Draw your new habit loop. Make it bigger than the last one.

Do you believe you can change this habit? Why or why not? If alcoholics and gamblers can change, why can’t you?

What do you do around the time that you succumb to your bad habit? Is it at the end of the day when you’ve used up all of your willpower (see p. 137 in the book or this whole other book)? How can you avoid that moment of weakness?

You’ve got a great place to start from. Go make change.

This book is a staple in anyone’s library. Tell me your plan for habit change in the comments below.

P.S. Who do you know that wants to change a habit? Do me a favor and send this to them.

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