We Are Not Machines: Why Humans Are Nothing Like Cars

Often we see healthcare professionals summoning people to regular manual therapy appointments under the fear that they need to spot/fix potential issues before they arise.

The car MOT analogy is often used. This is not an approach that I like – and below I have provided information to demonstrate why.

It’s tempting to compare the human body to a car. Mechanics fix cars, clinicians fix people. Cars run on fuel; we run on food. Cars break down; bodies get injured. The analogy is neat, simple, and… almost entirely wrong.

The truth is this: humans are not machines. We are living, adapting, self-repairing organisms. And misunderstanding that difference shapes how we see pain, injury,
performance, and health.

I have outlined below why the comparison falls apart — and why it matters.

1. Cars Wear Out With Use.
Humans Get Stronger With Use.

Drive a car long enough and the tyres thin, the gears grind, the engine wears down.
Use is deterioration.

But humans respond differently. Use is stimulus.

• Lift weights → muscle fibres adapt and thicken
• Run regularly → connective tissue becomes more robust
• Stress bone → it becomes denser
• Practice skills → neural pathways reorganise and refine

We improve by being used. The right amount of stress makes us more capable, not closer to breaking.

2. Cars Can Only Be Fixed by External Mechanics. Humans Repair Themselves.

A mechanic must replace the damaged part on a car; it has no internal healing ability.

Humans, meanwhile, are in a constant state of repair:

• Cells regenerate
• Tissues remodel
• Immune systems fight, clear, rebuild
• Nervous systems rewire
• Movement patterns adapt to demand

Clinicians don’t “fix” people in the way a mechanic fixes an engine. They support and guide the body’s own capacity to heal. The real work happens within you.

3. Cars Don’t Think or Feel. Humans Do — and That Changes
Everything.

A car doesn’t get stressed, anxious, exhausted, or overwhelmed.

You do. And these factors influence:

• Pain perception
• Recovery speed
• Movement quality
• Performance
• Decision-making

Healing is biological, yes — but also psychological and social. Context matters: beliefs, support, fear, confidence. These are ingredients in recovery, not optional extras.

4. Cars Decline Predictably. Humans Are Remarkably
Adaptable.

A 20-year-old car is always worse than a new one.

A 20-year-old human can outperform their younger self.
A 50-year-old can become stronger than they were in their 30s.
An 80-year-old can build muscle, improve balance, and increase capacity.

The human body is not designed to coast—it’s designed to adapt.

5. Cars Break. Humans Can Bend.

Mechanical parts fail suddenly.

Human tissues, even when stressed, rarely “snap out of nowhere.” Pain usually precedes injury — warning signals before structural failure. And most injuries heal extremely well with time, load management, and gradual re-exposure.

We are robust, not fragile.

So, What Does This Mean for You?

• Don’t fear movement — it’s medicine.
• Don’t think of your body as worn out — think of it as adaptable.
• Don’t assume pain equals damage — your nervous system has a voice, not a
  warning siren.
• Don’t expect passive treatment to “fix” you — active strategies build
  long-term resilience.

Humans don’t need treatment to look after ourselves. Therapy does not ‘fix’ a person. Our body fixes itself by having a healthy balance of:

–         Sleep

–         Nutrition

–         Exercise

–         Stress Management

These four elements are much more powerful than a monthly therapy
session.

That being said, if those elements are all being met and regular manual therapy is something that an individual enjoys and feels continued benefit, then if can be a great adjunct. Or if you are an athlete who enjoys therapy as part of a well-rounded, balanced recovery protocol. There is nothing wrong with regular assessment/treatment, but the narrative and message that is delivered to the client must be positive and empowering, rather than built on fragility.

At Central Therapy our emphasis will always be to arm you with the information and tools required to keep your body and mind in an optimal condition away from the clinic, whilst always being available for any check ups and follow up treatment that may be needed.

You are not a car.

You are a living, breathing, learning, evolving organism — capable of healing,
improving, and thriving far beyond what a mechanical analogy can explain.

And that’s far more powerful.