I love when challenging questions from a student or client push me to explain better what it is I'm teaching.
Case in point: last weekend, my stepdad, Chuck, was asking me about walking. I've been helping him and my mom with their respective gaits. They both turn out their feet when walking (as do the majority of people you see walking around in the US). My stepdad is trying to rebuild strength in the back of his legs and in his butt muscles. By working on realigning his legs and feet, I can help him fire different muscles when walking than the ones he uses with his turned-out gait.
So here comes the question that I was struggling with at the time (I'm paraphrasing):
"If I work on the new gait and get more strength in the back of my legs, will that improve the strength in my walk when I use my more familiar gait?"
My initial response is that this is the wrong question, but that's not an answer, and I know it. He wants to know and I want to explain.
It is true that sometimes I use one pose or movement to build strength to prepare the body for a different pose or movement. But the question here is specifically about walking, not other poses or movements.
When you rotate the leg bones, it necessitates a change in muscle usage. Rotation of any bone will lengthen some muscles and shorten others. Walking with the feet turned out means the shin bones have rotated externally. In order for the knees to track forward, over time the thigh bones have internally rotated. This "turned out shin/turned in thigh" gait means all your leg muscles are affected by bone rotation. The lengthening/shortening of muscles.produced by the rotations of your leg bones creates a particular pattern of movement. There are lots of variations in this gait, but all these rotations of leg bones push and pull on leg muscles such that the back of the leg is not working.
When you walk with feet in proper alignment, then you have the possibility of waking up those back-of-the-leg muscles. (There are many other factors that may need addressing to achieve this such as ankle flexion, hip extension, etc. Not the topic today.)
Back to my stepdad's question: if he learns this new gait, will he have more power in the back of his legs if he returns to his old gait? No. They have nothing to do with each other. And I finally figured out an analogy to explain it.
Chuck is left-handed. Therefore his left hand is stronger, more coordinated, and more agile than his right. If I get him to start using his right hand in ways similar to the ways he uses his left hand, his right hand will develop more strength, more coordination, and more agility than it already has. His left hand will not be any stronger when he goes back to using it. Working on one hand doesn't increase the strength in the other. They are separate entities.
Translation: working on a new gait does not strengthen the initial gait. Chuck is already really good at walking with his feet turned out. His muscles, the ones called upon when the legs bones rotate, work very efficiently that way as he's been walking that way for decades. The muscles that don't work in that familiar gait will not work in that familiar gait, no matter how much he strengthens them in a new gait. Strengthening his right hand won't affect his left hand.*
*Before anyone calls me out, I know there are times when using one hand CAN teach the other hand, so read this analogy as specific to this question about walking.
~ The Management
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Deep, and not so deep, thoughts on bodies, movement, yoga, art, shoes, parenting, dogs. You know, life.