How Many Reps Should You Be Doing?

One of the most common questions we get at Integra Fitness is:

“How many reps should I be doing?”

It’s a great question—and one that’s become far more confusing than it needs to be thanks to social media.

Scroll through Instagram or TikTok and you’ll hear things like:

• Heavy weights only build strength.
• High reps “tone” muscle.
• Women should lift lighter weights for more reps.
• Older adults shouldn’t lift heavy.

There’s a small grain of truth in some of those statements, but they often miss the bigger picture.

The truth is, the exact number of reps you perform matters much less than most people think.

What We Used to Believe About Rep Ranges

Earlier in my career, strength training programs were built around very specific rep ranges.

The general recommendations looked something like this:

• 1–5 reps: Strength
• 6–12 reps: Muscle growth (hypertrophy)
• 15+ reps: Muscular endurance

These guidelines weren’t made up—they came from the best information we had at the time.

Because of that, many training programs became very rigid. If your goal was building muscle, you trained in one rep range. If your goal was strength, you trained in another.

What Current Research Shows

Over the last decade, exercise science has taught us something important.

You can build muscle, improve strength, lose body fat, and become healthier across a fairly wide variety of rep ranges.

For most people, anywhere from about 5 to 20 repetitions can be effective, provided you’re training with enough effort and gradually progressing over time.

That’s a big shift from what many of us learned years ago.

Does that mean rep ranges don’t matter at all?

Not exactly.

The Problem With Very Low Reps

Very heavy sets of 1–3 repetitions certainly have their place.

Powerlifters, Olympic lifters, and competitive strength athletes use them regularly.

For the average person, though, they often come with drawbacks:

• They require extremely heavy loads.
• They create more joint stress and nervous system fatigue.
• Recovery usually takes longer.
• Technique becomes even more important.

And honestly, chasing one-rep maxes often does more for our ego than our long-term progress.

If your goal is to feel better, build muscle, move well, and stay healthy for decades, constantly testing your maximum strength usually isn’t necessary.

The Problem With Very High Reps

The opposite extreme has its own challenges.

Sets of 15–20 repetitions—or even higher—can absolutely build muscle.

The issue is that they often become limited by discomfort instead of the target muscle.

As fatigue builds:

• Your breathing becomes the limiting factor.
• Your form often starts to deteriorate.
• Most people quit because the exercise becomes uncomfortable, not because the muscle has truly been challenged.

That’s one reason extremely high-rep training isn’t something we rely on very often.

Why We Usually Program 4–12 Reps

At Integra Fitness, the majority of our strength training programs fall somewhere between 4 and 12 repetitions.

We’ve found it’s the sweet spot for most clients because it allows us to:

• Build strength and muscle.
• Maintain excellent movement quality.
• Train hard without unnecessary joint stress.
• Progress consistently over months and years.

It’s practical, effective, and sustainable.

The Most Important Variable Isn’t Reps—It’s Intensity

If there’s one takeaway from this article, it’s this:

Intensity matters more than the exact rep range.

When I say intensity, I don’t mean screaming, sweating, or leaving the gym exhausted.

I simply mean:

How challenging the weight is relative to your current ability.

Your body adapts when it’s given a reason to adapt.

If the weight is too light, nothing changes.

If it’s so heavy that technique completely falls apart, you’re increasing risk without much additional benefit.

The sweet spot is somewhere in between.

Train with good technique, but choose a weight that’s challenging enough that those last few repetitions require real effort.

That’s where progress happens.

Progressive Overload Doesn’t Mean Adding Weight Every Week

Another misconception is that getting stronger means adding more weight to the bar every workout.

That works for beginners—for a while.

Eventually, though, everyone reaches a point where adding five pounds every week simply isn’t realistic.

That’s one reason coaches often prescribe rep ranges instead of one fixed number.

For example:

Week 1: 4 reps

Week 2: 6 reps

Week 3: 8 reps

Week 4: Increase the weight and return to 4 reps.

Or perhaps:

8 reps → 10 reps → 12 reps → Increase the weight.

Adding repetitions before increasing the load is often a safer, more sustainable way to continue progressing.

So… How Many Reps Should You Do?

For most people, the answer is:

It depends—but probably not as much as you think.

Whether you’re trying to build muscle, get stronger, improve your health, or lose body fat, success usually comes down to four things:

• Choosing appropriate exercises.
• Training with enough intensity.
• Staying consistent.
• Progressively challenging yourself over time.

The exact number of reps is simply one tool we use to accomplish those goals.

The Bottom Line

Fitness doesn’t need to be complicated.

You don’t need the “perfect” rep range.

You need a program that’s appropriate for your goals, your experience level, and your body.

Simple works.

Train hard enough.

Recover well.

Stay consistent.

That’s what moves the needle over the long term.