Podiatrist · Specialist in Biomechanics · Founder of VOLKAN
"Changing the drop does not only change the height of the heel. It changes the point from which the body starts to write each step."
"Is it better to have a zero drop shoe?"
It is a question that comes up frequently.
And it almost always expects a simple answer.
Yes.
No.
Better.
Worse.
But biomechanics rarely works that way.
When someone asks me about the drop, I usually respond with another question.
—For whom?
Because before talking about footwear, I need to know the person.
Their history.
Their tissues.
Their experience.
Their way of moving.
Their goals.
Only then does the drop start to make sense.
Because the drop does not act on a shoe.
It acts on a living organism.
Much more than a few millimeters.
When we talk about the drop, we tend to think only of a measurement.
Four millimeters.
Six.
Eight.
Twelve.
But the body does not perceive numbers.
It perceives positions.
It perceives tensions.
It perceives opportunities for movement.
By raising the heel, even if only a few millimeters, it changes the initial position from which the entire organism begins to organize the step.
It is a small change in appearance.
But sufficient to modify the movement strategy.
The body always reorganizes the load
Imagine that you place a thin book under your heels while standing.
You probably won't notice a spectacular change.
However, if you stay like this for a few minutes, you will start to perceive small differences.
The tension in the calves changes.
The ankle works from a different position.
The pelvis can slightly reorganize its alignment.
The way to distribute weight is also modified.
When we walk or run, something similar happens.
The organism continuously adapts its behavior to that new starting point.
Not because the drop forces the body.
But because the body tries to keep moving efficiently.
Offloading some tissues means demanding more from others
There is an important idea that is worth understanding.
In biomechanics, we almost never give away work.
We transfer it.
If a certain configuration temporarily reduces the demand on a structure, another will take on part of that effort.
A greater drop can decrease the tension that the Achilles tendon and the posterior leg muscles bear in certain situations.
But that change also modifies how other joints and tissues participate during movement.
We are not talking about absolute advantages.
We are talking about redistribution.
And redistributing is neither good nor bad.
It’s different.
Adapting takes time.
One of the most common mistakes is to abruptly switch from a high drop to a very low one.
Or to do it the other way around.
Many people expect the body to respond from the first day.
But the tissues do not work like a switch.
They need time to reorganize.
The muscles modify their way of working.
The tendons progressively adjust their capacity to bear load.
The nervous system learns new strategies.
All of this takes weeks, months, and in some cases, even more time.
Adaptation never understands haste.
What does this have to do with barefoot?
A lot.
Zero drop is often automatically associated with minimalist footwear.
However, both concepts are not exactly the same.
There can be footwear with zero drop and a thick sole.
And there can also be footwear with little thickness that maintains some height difference between the heel and the forefoot.
What’s really interesting about barefoot is not just the drop.
It’s the combination of characteristics that favor a freer movement and a more direct perception of the ground.
Reducing this whole concept to heel height would be oversimplifying too much.
What I see every day in consultation.
There are patients who clearly improve when they use footwear with a higher drop for a while.
Especially when certain structures need to temporarily reduce their load.
I also see people who regain greater functional capacity after progressively adapting to a lower drop.
What matters is not defending an option.
What matters is understanding when each tool is useful.
Biomechanics does not work with sides.
It works with decisions.
What you can do starting today
If you ever decide to change the drop of your shoes, avoid doing so by thinking only about fashion or general recommendations.
Observe how your body responds.
How do your calves feel?
Your Achilles tendon?
Your way of walking?
Your sense of stability?
Listening to those responses will always be more useful than following a universal rule.
Because no millimeter has the same meaning for all people.
🔬 In a sentence
The drop modifies the position from which the organism organizes the movement and, with it, redistributes the loads among different tissues.
The most important idea
The drop does not correct biomechanics.
It does not create a better technique.
It does not prevent injuries by itself.
What it does is change the starting point from which the body begins to resolve each step.
And, as with any change, the organism responds by adapting.
That’s why the right question is never whether a high drop or a low drop is better.
The question really useful is another:
What does this body need to continue developing its ability to adapt to movement?
A question to reflect on
Think about the footwear you usually wear.
If tomorrow it completely changed its drop, do you think it would only change the feeling in your heels… or also the way your whole body would organize the movement?
In the next article…
We have already talked about support, cushioning, stability, and drop.
But we still lack an element that profoundly conditions the behavior of the foot.
The last.
Why do some shoes allow the toes to work freely while others compress them?
Is it just a matter of comfort or does it also change the biomechanics?
In the next chapter we will discover that the toes are not at the end of the foot by chance. They are the last point of contact with the ground and the first that prepares the next step.
Because a foot does not end at the toes.
It starts to propel itself thanks to them.