Over the past two weeks, we’ve talked about how coaching isn’t about control—it’s about managing uncertainty. We’ve explored how subjective feedback often precedes objective data and why adaptation is non-linear, unpredictable, and highly individual.
But let’s zoom out even further.
The Problem with a Mechanical View of Training
Much of modern sports science—and medicine—has been shaped by an outdated model. It comes from Newtonian mechanics: the idea that the body is a machine, adaptation is predictable, and if we just manipulate the right variables, we can engineer perfect performance outcomes.
But biological systems don’t work that way.
Theodosius Dobzhansky, an evolutionary biologist, said it best:
"Nothing in biology makes sense except in the light of evolution."
If we want to understand adaptation, we need to stop thinking like engineers and start thinking like biologists.
Adaptation is Evolution in Action
Evolutionary biology tells us that organisms—including athletes—don’t adapt to a single stressor in isolation. Instead, adaptation happens within a complex, ever-changing environment. The whole system responds, not just individual parts.
- Training doesn’t just affect muscles—it influences hormonal, metabolic, cardiovascular, and neurological systems that adapt at different rates.
- Stress isn’t just physical—it’s psychological, social, and environmental, and all of these layers interact.
- The human body doesn’t optimize for a single stimulus—it balances trade-offs to survive and thrive in a given context.
This is where modern training philosophy often falls short. We assume we can isolate variables—train speed, strength, endurance, or skill in silos—when, in reality, everything is connected.
What This Means for Coaching
If we accept that adaptation isn’t linear, predictable, or isolated, what does that mean for coaching?
- Stop thinking in terms of fixed plans. Instead of rigid periodization models, embrace adaptive programming that evolves with the athlete.
- Monitor the whole system. Don’t just track bar speed or lactate—pay attention to how an athlete responds on multiple levels.
- Recognize the role of the environment. Training is one stressor among many. The context—sleep, nutrition, mental state, life stress—determines how adaptation unfolds.
- Understand that every athlete is different. Evolution has shaped biological individuality. No two athletes will adapt the same way to the same program.
Pierre Teilhard de Chardin wrote that evolution isn’t just a theory—it’s the framework through which all biological phenomena must be understood. If we ignore it, we’re just collecting disconnected facts.
The same applies to coaching. If we don’t think in evolutionary terms—if we don’t consider adaptation as a dynamic, system-wide process—then training is just a collection of exercises, not a meaningful intervention.
Bringing It All Together
We started this conversation with a simple premise: the best coaches listen. First, to their athletes. Then, to the patterns that emerge over time.
But the next step is even bigger: learning to think biologically, not just logically.
Because in the end, coaching isn’t about engineering outcomes.
It’s about guiding adaptation.
