The Science of Momentum: Why It’s Easier to Keep Going Than to Start Over

BadAsh Athletics Woman with Barbell Don't Let The Hard Times Win on the back of the shirt

We’ve all been there—things are rolling, workouts feel good, healthy habits are clicking into place, and then… life happens. Maybe it’s a vacation, an illness, or just a busy season that knocks you off track. Suddenly, the thought of getting back into a routine feels overwhelming. But here’s the good news: once you start moving again, it gets easier. That’s the power of momentum.

Why Momentum Matters in Fitness

Momentum isn’t just a nice motivational buzzword—it’s rooted in science. In physics, Newton’s First Law states that an object in motion stays in motion unless acted upon by an external force. The same applies to your habits. The more consistently you engage in an activity, the less effort it takes to keep going. On the flip side, stopping makes it harder to start again.

The key takeaway? It’s far easier to keep moving than to restart from a standstill. This is why staying consistent—even in small ways—can make all the difference in long-term success.

How Habits Build Momentum

Our brains love efficiency. When we repeat behaviors, neural pathways strengthen, making those actions feel automatic over time. This is why brushing your teeth doesn’t take willpower—it’s just something you do. The same process applies to fitness.

Each time you show up for a workout or make a nutritious food choice, you reinforce that habit. Over time, this builds a positive feedback loop where consistency leads to progress, and progress fuels motivation. That’s momentum in action.

What Happens When We Stop?

When a routine is disrupted, it’s not just our physical progress that takes a hit—it’s our mental game too. Missing one or two workouts isn’t the problem; it’s the mental barrier that builds when we start thinking, “I’ve already fallen off track, so what’s the point?”

This is where many people struggle. They wait until they feel motivated again instead of taking a small action to regain momentum. But motivation is unreliable; it’s action that drives motivation, not the other way around.

How to Keep Your Momentum (Even When Life Gets in the Way)

Here’s the secret: you don’t have to go all in to maintain momentum. You just need to keep moving forward, even in the smallest ways. Here’s how:

  1. Lower the Barrier to Entry
    If getting back to the gym feels daunting, start smaller. Try a 10-minute walk, a few bodyweight exercises at home, or stretching. The goal is to re-establish movement, not perfection.
  2. Prioritize Consistency Over Intensity
    A short, low-effort workout is better than nothing. It keeps the habit alive and signals to your brain that fitness is still a priority.
  3. Focus on the Next Step, Not the Whole Journey
    Thinking about everything you “should” be doing can feel overwhelming. Instead, ask yourself: “What’s one thing I can do today to move forward?”
  4. Stack Habits for Easier Follow-Through
    Link new habits to existing ones. If you already drink coffee in the morning, use that as a cue to stretch or do a few squats. Habit stacking makes it easier to maintain momentum.
  5. Give Yourself Grace
    Missing a few workouts or eating off-plan doesn’t erase your progress. What matters is getting back to it without guilt or shame. Progress isn’t linear, but momentum makes it easier to keep going.

Final Thoughts

Building momentum in fitness isn’t about going hard every day—it’s about showing up consistently in ways that feel sustainable. The more you keep moving, the easier it becomes. So whether you’re starting fresh or just need a nudge to keep going, remember: small steps create big momentum. Keep moving forward, and the results will follow.