Strength Training vs. Cardio: What’s Better for Fat Loss? - Arsenal Strength

Strength Training vs. Cardio: What’s Better for Fat Loss?

If you’ve ever Googled “best workout for fat loss,” chances are you’ve seen cardio and strength training go head to head. One promises sweat, the other promises muscle. So what actually works better when your goal is to burn fat and look leaner?

The short answer? You need both — but probably not in the way you think.

Cardio

Let’s start with cardio. Running, biking, rowing, fast walking — these workouts are great for your heart, burn a decent amount of calories in the moment, and can feel pretty satisfying (especially with a good playlist). If you’re trying to lose weight, cardio seems like the obvious answer.

And for a lot of people, it is the thing that gets them moving again. But there’s a catch.

Cardio mostly helps you burn calories while you’re doing it. Once you stop, that calorie burn slows back down to baseline. It also doesn’t do much to preserve or build muscle — which becomes more and more important as we age.

That’s where strength training comes in.

Strength Training

Strength training isn’t just about getting strong or building muscle — though both of those are awesome. It’s about creating a more efficient metabolism.

Here’s the deal: the more muscle you have, the more calories your body burns just existing. Even at rest. Muscle is metabolically active tissue. That means it keeps your engine running hotter, even when you’re not working out.

So while a 30-minute strength session might not feel like it burned as many calories as a long cardio session, it’s laying the foundation for long-term fat loss by increasing your resting metabolism and preserving the muscle that gives your body shape and tone.

Oh — and you’ll still get sweaty. It’s not a nap.

But Which One Should You Prioritize?

If fat loss is your goal and you only have a few hours a week to train, strength training should be the priority.

At our gym, we structure our weeks so that strength training is the base — and then we layer in conditioning (which includes both high and moderate intensity cardio) to boost endurance, recovery, and overall health.

Think of cardio as the seasoning — not the main dish.

The Best Plan? A Mix That Fits Your Life

If you love running, great. Keep doing it. If walking clears your head, don’t stop. But if you’re relying on cardio alone to change your body composition, you’ll likely hit a frustrating plateau.

The magic happens when you combine strength training with smart conditioning, consistent effort, and a routine that actually fits your life. No more trying to “burn off” the weekend. No more guessing.

Just real progress that feels good, lasts longer, and doesn’t require hours on a treadmill.

Not sure how to get started with strength training?
That’s what we’re here for. We’ll show you exactly what to do (and what not to worry about). You just have to show up.

Ready when you are.

Learn here.
Train with us.

Sign up now for a free intro class at Kilo Gym in Jupiter, FL.
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