Stop Planning Your Way to Fitness: Why Imperfect Action Wins

The science of changing your behaviour

One of the most widely used frameworks in behaviour-change research is the Transtheoretical Model, more commonly known as the Stages of Change model. It was developed by psychologists James Prochaska and Carlo DiClemente in the late 1970s and early 1980s, originally through research into how people change addictive behaviours such as smoking.

What they discovered challenged a common assumption. People don’t usually wake up one morning, decide to completely transform their habits, and then effortlessly maintain those changes forever. Instead, change tends to unfold gradually, through a series of stages.

1. Precontemplation

At this stage, you’re not really considering change. Exercise might not be on your radar at all, even if there are early warning signs like rising blood pressure, back pain, or everyday tasks starting to feel harder. The issue exists, but it hasn’t yet become something you feel compelled to act on.

2. Contemplation

Now the idea of change starts to surface. You begin thinking things like, “I really should start exercising,” or “I need to do something about my fitness.” You can see the problem clearly, but you’re still in the thinking phase rather than the doing phase.

3. Preparation

This is where things start to feel more serious. You research gyms, buy equipment, look up training plans, and maybe even decide which days you’ll exercise. On the surface, it looks like progress, and in many ways it is, but it’s still not action.

4. Action

At this point, behaviour actually changes. You go for a walk, attend a training session, start a simple strength routine, or make small but meaningful adjustments to your daily habits. It doesn’t need to be perfect or intense; it just needs to happen consistently.

5. Maintenance

Over time, the new behaviour becomes more stable. Exercise is no longer something you are constantly trying to start; it becomes something you simply do as part of your routine. It starts to feel less like effort and more like identity.

And it’s in the space between these stages that things often get stuck.

The dangerous gap between preparation and action

Preparation feels productive, and sometimes it genuinely is. Learning proper technique before starting strength training, or seeking professional advice when dealing with injury or medical conditions, is not only sensible but important.

However, preparation can also become a very comfortable place to stay. It offers a sense of progress without the discomfort of actual change. The reason is simple: planning gives you certainty, while action introduces uncertainty.

You can research the perfect workout without ever experiencing how difficult the first session might feel. You can compare running shoes without getting out of breath. You can read endlessly about nutrition without changing what’s on your plate tonight.

And in a world overflowing with information, it has never been easier to stay in the planning phase for far longer than necessary.

Welcome to the age of fitness information overload

If you search for almost any fitness topic online, you’ll be met with an overwhelming number of answers. Want to lose weight? You’ll find arguments for low carb, low fat, fasting, meal timing, skipping breakfast, or never skipping breakfast. Every approach has confident supporters and convincing explanations.

The same happens with training. Strength programs vary wildly: three sets, five sets, heavy weights, light weights, machines, free weights, slow reps, explosive reps. Every method has its advocates, and every method claims to be effective.

After a while, something strange happens. You end up knowing more about exercise than you did before you started researching, but your actual fitness hasn’t changed at all.

That’s because information alone doesn’t create change. Your body doesn’t respond to what you know; it responds to what you do.

Your body responds to behaviour, not intention

From a physiological perspective, the principle is beautifully simple. When you go for a brisk walk, your muscles immediately increase their demand for energy, your heart rate rises, and your cardiovascular system adapts to meet that demand. Repeat that often enough, and your body begins to change in response.

The same applies to resistance training. Muscles experience mechanical tension, and with repeated exposure and adequate recovery, the body adapts by increasing strength and improving function. Over time, exercise can also improve insulin sensitivity, cardiovascular fitness, bone density, and a wide range of other health markers.

But all of this depends on one unavoidable requirement: you have to actually do the work.

Reading about squats won’t strengthen your legs. Watching running videos won’t improve your endurance. Owning fitness equipment won’t change your physiology.

Why starting small isn't cheating

One of the most common mistakes people make when they finally decide to start is assuming the change has to be big to count. There’s a belief that exercise must be long, intense, or perfectly structured to be worthwhile.

So people aim high: an hour in the gym, a complete diet overhaul, or 10,000 steps every single day from day one. The problem is that this approach often makes starting feel overwhelming rather than achievable.

In reality, small actions are not only valid, they are often more effective in the long run. A 10-minute walk might not feel impressive, but it still creates a real physiological response. Your heart works, your muscles engage, and your body begins to adapt.

More importantly, it creates something even more valuable than fitness improvements in the early stages: evidence that you can follow through.

Small wins build confidence

Behaviour researchers often refer to self-efficacy, which is your belief in your ability to successfully perform a behaviour. This is different from simply wanting a result. You might strongly want to be fitter while still doubting whether you can actually stick to exercise.

This is where small wins matter. When you go for a short walk and complete it, you begin to build proof that you can act. When you repeat it a few days later, that proof strengthens. Over time, you start to shift your internal narrative from “I should exercise” to “I am someone who exercises.”

That shift is often more important than any individual workout.

The perfection trap

A major barrier in fitness is the belief that there is a perfect plan waiting to be discovered. In reality, even if an optimal program exists in theory, it is useless if it is too complex or demanding to follow consistently.

A slightly imperfect plan that you actually stick to will almost always outperform a perfect plan that never gets used.

This doesn’t mean science is irrelevant. It absolutely matters. Good programming, appropriate exercise selection, progressive overload, recovery, and nutrition all play important roles. But optimisation only becomes meaningful once behaviour is already in place.

You cannot optimise what you are not doing.

Put action inside the planning

The solution is not to stop learning, but to change the order in which you apply what you learn. Instead of cycling endlessly through research and comparison before acting, you can begin to interleave action with learning.

For example, if you are researching walking programs, go for a short walk before reading another article. If you are looking into healthy breakfasts, try making one tomorrow morning. If you are comparing gyms, book a visit rather than continuing to compare online. If you are exploring strength training, start with a simple, safe session using basic movements.

Planning and action do not need to compete. The key is ensuring that action is part of the process from the very beginning.

Make the first step almost too easy

If you take one idea from all of this, let it be this: your first step should feel almost too small to matter.

Instead of asking, “What is the perfect program?” ask, “What is the smallest useful action I can take today?”

That might be a 10-minute walk, a few minutes of stretching, adding vegetables to your next meal, booking an appointment you’ve been avoiding, or simply laying out your training clothes for tomorrow.

None of these actions will transform your life overnight, and that’s exactly the point. The goal is not immediate transformation; it is repetition.

Motivation often follows action

We tend to assume motivation comes first, followed by action, and then results. In reality, the sequence is often reversed. Small action leads to small success, which builds confidence, which increases motivation, which then makes further action more likely.

Once you experience this cycle, even in a small way, it becomes easier to see how momentum builds. The first walk makes the second easier. The first workout reduces the fear of the next one. The first week proves that change is possible.

Action does not always require motivation. More often than not, action creates it.

Stop trying to start perfectly

If you’ve been stuck in planning, researching, and preparing, waiting for the “right time” or the “perfect plan,” consider this your permission to stop waiting.

Do something small. Not everything. Just something.

Walk around the block. Do a few squats while the kettle boils. Book the session. Put the fruit where you can see it. Take one simple action that moves you from intention to behaviour.

Then do it again tomorrow.

Because in the end, your body doesn’t respond to how well you planned your fitness journey. It responds to what you repeatedly do.

The takeaway

You don’t need perfect knowledge to begin. You need just enough understanding to start safely, and then the willingness to learn through doing. Expect mistakes, adjustments, and inconsistency along the way, because that is part of the process.

The goal is not perfect action.

It is imperfect action, repeated often enough that one day you realise the thing you were always planning to start has quietly become part of who you are.