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Matt VanSumeren

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February 20, 2026

Why Your Workouts Aren’t Working Anymore After 40 (And How to Fix It)

Let’s be honest.

You’re working hard.

You’re sweating. You’re tired. Your Apple Watch is impressed.

But your body?

Not changing much.

If you’re over 40 and feel like your workouts just don’t “hit” the way they used to, you’re not lazy. You’re not broken. And no, your metabolism didn’t pack up and retire early.

You just can’t train like you did at 28.

Good news? There’s a smarter way to do this.

Let’s fix it.

First: Understand What Changed

After 40:

  • You lose muscle faster if you don’t train it.
  • Recovery takes longer.
  • Stress is higher (career, family, life).
  • Sleep isn’t always great.
  • Joints have some wear and tear.

That means random, high-intensity, “go until you drop” workouts stop working.

More effort isn’t the answer. Better strategy is.

Step 1: Make Strength the Main Goal

A lot of people chase sweat.

Sweat feels productive. But sweat doesn’t build muscle.

Muscle is what keeps your metabolism up, protects your joints, and keeps you strong for life.

What you should do:

  • Lift weights 3–4 times per week.
  • Focus on getting stronger over time.
  • Track your weights so you can improve them.
  • Train big movements: squats, hinges, pushes, pulls.

Ask yourself:
Are you actually getting stronger each month?

If not, that’s the problem.

You don’t need harder workouts. You need ones that steadily progress you.

Step 2: Stop Doing Random Workouts

Random feels exciting.

But random doesn’t create progress.

If every week is:

  • Different exercises
  • Different focus
  • Different intensity
  • No plan

Your body has nothing to adapt to.

What you should do:

  • Follow a structured plan for at least 8–12 weeks.
  • Repeat key lifts so you can improve them.
  • Stick with a coach or program long enough to see results.
  • Stop program hopping every 3 weeks.

Think about it like business.

You wouldn’t change your company’s strategy every Monday.

Don’t do it with your body either.

Step 3: Add Power Training (Yes, Really)

Here’s the rub! The big something most people over 40 stop doing:

Moving fast.

Power is how quickly you can produce force. It declines faster than strength as we age.

And it matters.

It helps with:

  • Balance
  • Preventing falls
  • Athleticism
  • Feeling “springy” instead of stiff

What you should do:

  • Add light jumps or step-offs (if safe).
  • Do medicine ball throws.
  • Use controlled, explosive reps.
  • Sprint on a bike or sled occasionally.

You don’t need to train like a pro athlete. But you do need to remind your body how to move with speed. Think fast, be fast!

Step 4: Train Hard — But Recover Smarter

Here’s a hard truth:

You can’t out-train bad sleep and high stress anymore.

In your 20s? Maybe.

Now? Not so much.

If you feel tired all the time, sore for days, or stuck, recovery might be the missing piece.

What you should do:

  • Sleep 7–8 hours per night.
  • Eat enough protein (about 0.7–1 gram per pound of bodyweight).
  • Take at least 1–2 rest days per week.
  • Walk daily instead of adding more brutal workouts.
  • Manage stress (deep breaths count).

Recovery is not weakness.

Step 5: Stop Chasing Calories Burned

This one hurts a little.

Calories burned are not the goal.

Muscle gained and strength improved are.

A workout that burns 700 calories but doesn’t build strength?
Short-term win. Long-term stall.

What you should focus on instead:

  • Are your lifts going up?
  • Are your clothes fitting better?
  • Is your posture improving?
  • Do your joints feel better?
  • Is your energy better at work?

Those are real progress markers. Not your watch yelling at you. But are how are you measuring improvement?

Step 6: Eat Like You Want Results

After 40, under-eating protein is common.

So is “I barely eat anything but can’t lose fat.”

Usually what that means is:

  • Not enough protein
  • Too many liquid calories
  • Not enough strength training
  • Too much stress

What you should do:

  • Eat protein at every meal.
  • Strength train consistently.
  • Don’t crash diet.
  • Stop skipping meals and overeating at night.
  • Drink more water.

Simple isn't sexy, but it sure does work.

Step 7: Get Data Instead of Guessing

Guessing leads to frustration.

Data leads to direction.

Instead of saying, “I feel like nothing’s working,” ask:

  • What is my actual body composition?
  • How strong am I compared to last year?
  • Am I training consistently?
  • Is my program structured?

Emotion is usually what drives the “I just need to try harder” mindset.

The Big Shift

Here’s the real mindset change:

After 40, fitness becomes less about intensity…

And more about intention.

Less about surviving workouts…

And more about building capacity.

Less about proving something…

And more about protecting your future.

You don’t need to grind harder.

You need to:

  • Lift with purpose.
  • Follow a plan.
  • Recover like it matters.
  • Track progress.
  • Stay consistent.

Pick 2 of these to focus on for the next month and see what you're capable of.

You’ll feel stronger. Leaner. More confident.

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