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Blog #19- How Muscles Really Grow — and Why Smart CrossFit Training Wins

At Outsiders CrossFit, we don’t just train hard — we train smart.

Whether you’re looking to build lean muscle, increase strength, or improve overall fitness, understanding how your body builds muscle is critical. And spoiler alert: it’s not just about going harder in every workout.

Have you ever felt like you’re training consistently but not seeing the gains you expected? Maybe you’ve hit a plateau, or your progress has slowed even though your effort hasn’t.

Here’s what most people miss:
Muscles don’t grow in the gym — they grow when you recover.

Let’s break it down so you can get the most out of every rep, every WOD, and every rest day.


The Science of Muscle Growth:

Break + Fuel + Recover = Grow

To build strength and muscle effectively, you need three things:

  1. Tension and fatigue created during training
  2. Nutritional support to refuel and rebuild
  3. Recovery time to allow the magic to happen

Miss any one of these? You could be working hard… without the reward.


1. Training: Controlled Muscle Breakdown

When you do strength-based CrossFit workouts — like back squats, pull-ups, or cleans — you’re creating tiny microtears in your muscles. That might sound bad, but it’s exactly what you want.

These microtears are signals to your body that say:
“That was tough — let’s build back stronger.”

This repair process is called muscle hypertrophy. At Outsiders, our programming is designed to generate this stimulus in a safe, progressive way through barbell work, gymnastics, and high-intensity training.
But training is just step one.


2. Recovery: Where Strength Is Really Built

You don’t get stronger in the gym — you get stronger between workouts.

Recovery is when your body:

  • Repairs muscle tissue
  • Rebuilds energy stores
  • Rebalances your nervous system
  • Prepares for the next session

Here’s what effective recovery includes:

  • Protein + Carbs: After your workout, your muscles are primed for repair. A combo of 20–25g of protein plus carbohydrates replenishes energy and provides the raw materials for growth.
  • Sleep: This is your muscle-building secret weapon. Growth hormone is released during deep sleep, and your body does most of its repair work here.
  • Hydration: Water supports joint health, nutrient delivery, and temperature regulation. All key for recovery and performance.
  • Creatine: One of the most studied (and safe) supplements. It helps your muscles recover faster and produce more power.

If you skip recovery or don’t prioritize it, your body never gets a chance to build back stronger.
That means wasted effort and greater risk of injury.


Why CrossFit’s Training Structure Works

There’s a misconception that CrossFit is “random” — but quality programming is anything but.

At Outsiders CrossFit, our training follows a proven rhythm:

  • 3 days on, 1 day off or
  • 5 days on, 2 days off

This structure allows for optimal stimulus and recovery, so your body can:

  • Build strength
  • Improve endurance
  • Stay injury-free
  • Train consistently long-term

Intentional Intensity

Not every workout should leave you on the floor. In fact, that’s a recipe for burnout.

Here’s how we build smarter intensity into your week:

  • For time / AMRAP workouts push your work capacity and test mental grit
  • “Not for time” strength sessions focus on mechanics, tempo, and technical skill
  • Heavy lifting days build raw strength and neurological adaptation

Your body needs this variation.
Not only to improve performance — but to avoid injury and hit new milestones over time.


Technique Over Exhaustion

Want to PR your lifts, get your first pull-up, or master Olympic movements like the snatch or clean & jerk?
Then don’t chase exhaustion. Chase efficiency.

Low-intensity or technique-focused days are your chance to:

  • Refine barbell mechanics
  • Work on skill progressions (like kipping or toes-to-bar)
  • Improve mobility and body control

This is where the smart athletes separate themselves from the burnt-out ones.


What Happens If You Don’t Recover?

If you skip proper recovery, you might feel:

  • Fatigued: Both mentally and physically
  • Injury-prone: Overuse and poor form compound without rest
  • Stalled: Your lifts stop improving. You hit plateaus.
  • Frustrated: You’re doing “everything right”… but nothing changes

Here’s the bottom line:
More isn’t better. Better is better.


Muscle Growth Game Plan for Outsiders Athletes

Here’s your blueprint for consistent gains — based on what works inside and outside the gym:

What To DoWhy It MattersAction Step
Follow the ProgramBalances intensity, recovery, and progressionTrust the 3-on-1-off structure
Eat Protein & CarbsSupports muscle repair and energy refueling20–25g protein + carbs within 60 mins
Sleep 7–9 HoursKey for hormone release and tissue recoverySet a consistent, screen-free bedtime
Stay HydratedAffects joints, muscles, and mental focusKeep a water bottle with you always
Use Rest Days WiselyAvoids overtraining, boosts long-term resultsWalk, stretch, or take a full rest day
Take CreatineBoosts strength, recovery, and power3–5g/day, ideally post-workout
Focus on TechniqueReduces injury and increases efficiencyEmbrace low-intensity, skill-based days

Final Takeaway:

Train Smart. Recover Harder. Grow Stronger.

The work you do outside the gym is just as important as what you do inside of it.
Recovery isn’t optional — it’s the foundation of your progress.

So next time you wonder:

  • “Did I work hard enough today?”
    Ask instead:
  • “Did I move better?”
  • “Did I recover well?”
  • “Did I fuel my body for growth?”

At Outsiders CrossFit, we’re not just chasing intensity — we’re chasing excellence.
That means knowing when to push, when to pause, and how to grow.

Train smart. Fuel right. Rest well. Grow stronger.
That’s the Outsiders way.