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Motivation, Muscle Growth, Fat Loss, Nutrition, Performance Nathan Young Jr. Motivation, Muscle Growth, Fat Loss, Nutrition, Performance Nathan Young Jr.

18 Ways To Make Your Muscles Look Fuller

The often desired, yet rarely spoken about subject when building a physique: full muscles.

Ever wonder why sometimes you look bigger than others? Same weight, same body fat percentage, but it’s as if your muscles were inflated. As if you had a 24/7 mini muscle pump.. then inexplicably at other times you look smaller, like you had a reverse muscle pump.

Deflated even.

There are potential reasons for this: could be flat muscles or possibly spilled muscles, but fear not!

Keep reading and you’ll learn how to keep your muscles full more often than not, even if you happen to be on a cut!

In this article you’ll find: the difference between full, flat, & spilled muscles, common causes of flat and spilled muscles, and of course how to make your muscles fuller!

 

SECTIONS

Full Muscles VS Flat Muscles VS Spilled Muscles

Common Causes Of Flat Or Spilled Muscles

How To Make Muscles Look Fuller

My Thoughts

 

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Full Muscles VS Flat Muscles VS Spilled Muscles

We’ll kick this off with the basics. There are subtle to major differences between full muscles, flat muscles, and spilled muscles.

Yet.

Your muscles are your muscles at a particular period in time. You can’t fake what’s not there.. it’s not like you can contour your deltoids with expensive makeup and alter how the world sees them.

BUT, big but..

You CAN maximize what is there. It’s like having a beat up car. The car is the car, however you can keep the inside neat and the outside clean; that’ll boost it a few points. Transversely a top of the line vehicle can be knocked down a couple notches, if there’s a mud bath on the outside and Pop Tart crumbs sprinkled around the inside.

Enough metaphors, here are the differences:

What Are Full Muscles

Alright alright so full muscles, sounds good, but what is it?

By full muscles what is meant is a physique in its full glory as currently constructed. It’s when your musculature is full of glycogen and water, also referred to as wet muscles. This state has you displaying a harder, more muscular look, often with better vascularity.

Big and tight.

If you’ve ever pondered “How to make my muscles look bigger?”, short of actual muscle growth, you in reality want to know how to make them fuller.

It’s about storing a great deal of water inside the muscle (intracellularly) and much less water outside of the muscle (extracellularly).

Why would you want this? Aesthetics of course.

It looks good, on the other hand it’s a sign of performance potential. Means you’re primed and ready to perform since the muscle is fully hydrated, with that comes greater stamina and stronger contractions.

Note: How muscular you appear will always mostly come down to how much lean muscle you carry versus how much body fat you carry. For quality size you need enough mass and low enough body fat. You can’t make appear what’s not there, yet you can spice up what already exists.

Again, from a macro perspective it’s about water and glycogen storage, with that said we’ll cover some micro level methods to enhance your look even further. Continue on, we’ll have your muscles looking like they just unfastened the top button at a buffet.

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What Are Flat Muscles

From time to time, especially when cutting, your physique isn’t living up to its aesthetic potential. You’ve worked hard, yet it looks a little eh.. a little stepped on.

Like a jolly green giant planted his foot on each and every muscle group.

Looking, well.. flat.

Flat muscles are when you aren’t holding a good amount of water and/or glycogen inside the muscle, so you have a smaller appearance.

The muscle isn’t fully hydrated. Easily identifiable because your frame looks like it was a balloon stabbed by a safety pin - like your muscles were a YouTube video on full screen, but you decided to open a text message.

The picture has been minimized.

This look can be similar to when you’re spilled or have more subcutaneous water than desired, still they are undoubtedly different.

When you go flat your physique is missing that umph. It can be quarrelsome and has led to a lot of giving up on the cut. Then you end up in the limbo of “Am I focused on building muscle or losing fat?”, exactly where a good percentage of avid lifters live.

Side Note: You can build muscle while losing body fat, but you do have to declare a major. There has to be a number one goal, otherwise you’ll run in place - this is experience talking.

But rest assured, you can cut and have your muscles looking their best more often than not. If you’re maintaining, experiencing the deflated look; solutions are here for that too. And If you’re bulking it’s less likely you’ll experience flatness, nevertheless less likely doesn’t mean you won’t so pay attention.

The same way full muscles have performance indications, flat muscles do as well:

  • Harder to get a pump

  • Less vascularity

  • Slight decrease in body weight (of course, less water is held)

  • Less potent contractions

  • Decreased stamina

Full muscles vs flat muscles

Full Muscles Vs. Flat Muscles - same weight, same week

What Are Spilled Muscles

Spilled muscles, spillover, or spilling over all classify as one of those phrases that cut straight to the chase. Being a being comprised of mostly water, there’s always water somewhere inside (intracellular) and outside of cells (extracellular).. typically 55-65% inside and the rest residing on the outside if you want a number on it. When the extracellular number starts to grow larger is when things get out of whack. 

This out of whack I’m referring to is muscle spillage.

Spilled muscles is the term since instead of retained water being mainly inside, inflating the muscle.. it’s in overflow on the outside, diminishing the muscle’s appearance.

Spilled muscles are akin to flat since they dwindle definition and the obvious appearance of muscular separation.

Subcutaneous water is water just beneath the skin. When you have subcutaneous water sloshing around, your muscles don’t get to clearly star in the show (for some reason I just pictured toddler handprints on the TV).

Often referred to as smooth or soft, this largely happens because the body enjoys homeostasis.

Tampering with that will always cause a reaction.

And if you tamper the wrong way with your water, carb, and/or electrolyte intake - the body will respond. Not always necessarily a good or a bad thing, but it is a thing.

Performance side effects of spilled muscles are:

  • Less vascularity

  • Tougher to get a visible muscle pump

  • A softer “puffy” appearance compared to when your muscles are full

  • Slight weight increase

  • Stamina and muscle contractions are usually still up to par

Spilled Muscles

Spilled muscles - had me a 4,000 calorie cheat meal a couple of days before this one

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Common Causes Of Flat Or Spilled Muscles

Now we start to dabble into the nitty gritty.

*Birdman hand rub* 

Minor changes, big results. You’ll notice how minute some of the mistakes you may be currently making that lead to flat or spilled muscles. But take that as a positive, easy to fix. 

Here are some common causes of flat or spilled muscles:  

11 Causes of Flat Or Spilled Muscles

11 Causes of Flat Or Spilled Muscles

Skipping Carbs

Carbohydrates convert to glycogen (a form of glucose) when it’s time to store them away. Glycogen is stored in several places, but mainly the muscles. It’s a reliable anaerobic source of energy. Within the muscle, glycogen binds to water molecules. Low on glycogen? Low on water stored within muscles. Simple right? Well kind of - see the next point. 

Result: Flat 

Too Many Carbs

Going willy nilly with the carbs isn’t without flaws. Glycogen binds to water molecules, yes. You want to fill your muscles with glycogen, yes.

Yet.. 

That tank isn’t a bottomless pit. Eventually there will be overflow and all of the desired intracellular glycogen will do the deed as intended, but the rest will be extracellular.. still doing a deed, just not the deed you want in the place you want it. 

See your liver and your muscles store glycogen. Approximately 500 grams in fact, 100 for the liver and 400 for our precious muscles.

I repeat, what’s stored is intracellular, ready to fill the muscle up. This is where water tag teaming with glycogen is a good thing.

Stores topped off? Full.

If you keep going?? The excess glucose still binds with water, but outside the cell, creating spillage. The water balance must be maintained intracellularly and extracellularly.. the game is the game.

The impact of too many carbs will make you smooth and puffy due to subcutaneous water being held.

Result: Spilled 

Chronic Stress

Stress gives way to the release of excess cortisol. Cortisol is a stress hormone that is naturally excreted in reaction physical and mental stress. The word “excess” is where we get in trouble. 

A major part of overtraining syndrome is due to excess cortisol levels when your recovery methods aren’t as in depth as your training. 

Not having physical and/or mental stress under control can lead to excessive muscle breakdown, dehydration, hindered muscle protein synthesis, slowed muscle repair, less than optimal performance, decreased testosterone, and/or subcutaneous water retention.  

Result: Flat or spilled

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Not Enough Sodium In Your Diet 

A sudden drop, or a consistently low amount of sodium in your diet leads to a drop in blood pressure. Think about the impact of that.

Lower blood pressure, less plasma in the blood stream. Plasma is mostly water.

That’s a flat muscle if we’re considering the inside of the cell, but wait..

I have more for you.

There’s this hormone called aldosterone that regulates electrolyte balance and when you aren’t supplying the necessary amount of sodium it speaks up.

Homeostasis must be maintained and aldosterone is quite the maintainer.

In response to the low sodium supply you start to hold on to any previously consumed sodium, instead of constantly filtering it out.

What’s held is held subcutaneously.. outside the muscle.. spilled, smooth, a “Where did my vascularity go?” appearance. 

Result: Flat or spilled 

Electrolyte Imbalance

We talked about what happens when you’re too shy in the sodium department, but go ahead and adjust your lens to any electrolyte imbalance.

Particularly sodium and potassium. 

Potassium is partially responsible for intracellular fluid retention. Sodium is partially responsible for extracellular fluid retention.

If your first thought is to boost your potassium and lower sodium intake.. trolly along to a second or third thought.

Aldosterone won’t go for it and all you’ll get is unpredictable results.

The goal is normalcy, consistency.. balance. More on that later. 

Result: Flat or spilled 

Lack Of Sleep

No sleep is another stress/cortisol contributor. Along with is stunted: muscle growth, muscle recovery, and ultimately central nervous system recovery.

Neglecting the Zs will not only render you not full, it’ll have you kissing hard earned muscle tissue goodbye.  

Result: Flat or spilled

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Overtraining Syndrome

Overtraining syndrome is as the label suggests.. overdoing your training. But more specifically under-doing your recovery.

Overtraining syndrome is a state where your ability to recover falls short of the amount of work you put in.

Once you’re here it’s tough sledding. There’s elevated stress/cortisol, decreased testosterone, less growth hormone, inadequate recovery, and all the lack of fullness your heart doesn’t desire. 

Result: Flat or spilled 

Reaction To A Massive Cheat Meal

Massive, colossal, enormous, an albatross even..

These sorts of cheat meals can throw you off the muscle fullness track a bit. As a self-proclaimed binge eater, I can vehemently attest to this text.

The why is a combination of previously mentioned points - throwing off of electrolyte balance and a heavy dose of carbs that likely push you over the glycogen storage limit.

On the bright side, if you return to regularly scheduled programming these unwanted results won’t be around for longer than a few days.

Result: Spilled  

Dehydration 

If you keep it skinny on the water, you must not know the skinny on the water.

*poetry snaps go here*

First, your body is mostly water. What do you think that means for the muscle?

No matter WHAT you try if your water intake is low, none of your methods will matter when it comes to maximizing fullness. The most significant sides of the maximization process involve storing water inside the muscle.

Avoid even the slightest of dehydration at all cost.

Shortchanging water will have you thirsting for more intracellularly and/or force your body to retain water extracellularly with the belief that its host is unreliable. 

Result: Flat or spilled

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High Caffeine Intake

Caffeine is a diuretic.

Diuretic means it’ll send you to the bathroom to do number one more often, (caffeine makes you go number two too, that’s another subject).

Urinating more frequently has the potential for dehydration if you fail to implement proper measures.

In addition caffeine gives your metabolism a bit of a boost. Next we’ll talk about what a higher metabolism does.

Your water intake must go up along with caffeine intake or your muscle fullness will be out the door like Jazzy Jeff. This includes energy drinks, pre workout, coffee, soda, tea, and so on.

Result: Flat or spilled 

Fast metabolism

Reality is reality and some people have a higher metabolism (usually ectomorphs) than others. Gift or curse depending on your perspective.

One of the downsides when it comes to wanting to sport hard and full muscles is that your fast metabolism means a higher walk around body temperature.

That equates to a greater chance of dehydration. And y’all know very well what dehydration does at this point.  

Result: Flat or spilled

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How To Make Muscles Look Fuller

Let’s skip the preamble, above everything else the two biggest conduits to muscle fullness are water intake and glycogen storage. All other factors play a role, and success in any realm is always in the details, but only after the big picture is considered.

But always keep in mind: water follows solutes. In translation, wherever there’s potassium, sodium, and glycogen - H2O isn’t far behind. Whether intracellular (expanding the muscle) or extracellular (diminishing definition).

Water water water.

Got that out of the way, and we already covered defense, so you have an idea of some holes you may be able to plug. Now some ways to maximize the fullness your muscles can garnish and give off a harder aesthetic - time to score:

18 Ways To Make Muscles Fuller

18 Ways To Make Muscles Fuller

Chase A Muscle Pump

A muscle pump, AKA hyperemia, is when you get extra blood flow inside those guns during a nice weight training session, emphasis on the nice.

Plainly speaking, when your muscles are bigger in the middle of the workout than when you started the workout? You have a muscle pump.

Although temporary, a muscle pump can lead to long-term size increases by potentially helping you develop extra capillaries and raising the volume potential of relevant blood vessels. 

Consistent training in general will help upgrade your vascular system [5], yet with a pump it’s to an even greater degree. 

Fill Your Glycogen Stores

The theme of the day, adequate carb consumption is exactly how to get water in your muscles with an aim to look bigger. Carbs are converted to glycogen, glycogen is mostly stored in the muscle. A full muscle is a muscle full of glycogen and water.

The best time to throw down some carbs is post-workout, for insulin sensitivity is highest at this point.

If on a cut you’re bound to go low carb at times, however to keep that balloon from total deflation.. refeed every now and then (score a point for carb cycling).

A refeed is when you have a day where you consume enough carbs to refill glycogen stores.

Doing this every x amount of days (it truly is case by case). This method will help keep your muscles hard more often, provide more fuel for lifts, and even aid in maintaining a steady metabolism if you tread into a calorie surplus on the high carb days. 

Note: recall from earlier, going over your particular glycogen capacity will cause spillage, so monitor your body and find out what your max is without spill over and act accordingly. 

Another note: You need potassium to store glycogen, so here’s another reason to keep your electrolyte intake steady.

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Supplement With Creatine

The benefits of creatine supplementation are quite good with creatine phosphate being a natural anaerobic energy system, nonetheless it’s also stored in muscles with what? You guessed it: water.

So taking advantage of creatine’s sacred bond with water particles can give you some visible grit. 

Supplement With Glutamine

Glutamine is a conditionally-essential amino acid with several functions, but happens to pull water into muscles and aids in the conversion of carbs to glycogen. That means more potential water in the muscle with even less carbohydrates..

You know what that signifies.

Improve Cardiovascular Conditioning

Cardio strengthens the heart right? That means greater general blood flow and volume with less effort [6].

Your muscles aren’t exempt from this benefit - that’s a better pump.

While weight training is priority one for your goals, a decent amount of cardio will help.. even when bulking.

I repeat, do cardio while bulking! 

Consistent Sodium To Potassium Ratio

Sodium to potassium ratio is a true key. You need consistency, not manipulation here.

The right balance will ensure more water is inside the muscle filling it up than outside the muscle, making you look like the Pillsbury Doughboy.

With a steady intake, you’ll continue to excrete excess fluid and sodium while maintaining steady blood pressure.

A good ratio for hardcore athletes is between 3:1 and 5:1 sodium: potassium. Casual gym goers or weekend warriors are fine with a 2:3 or 2:4 ratio, particularly when heart health is a concern.

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Gain More Muscle

Pack on more muscle, pretty straightforward. Not exactly a “fuller muscle” tip, still actually having more muscle will always do more for you filling out a t-shirt. Try a lean bulk.

More muscle is a guarantee to not only appear larger, but be larger. 

Lose Some Body Fat 

It’s about dimensions. By having a low amount of body fat and a decent amount of muscle you can give off a more sizable appearance.

To do this, when losing fat you want to maintain as much muscle as possible. Doing so can create more definition and the illusion of greater sheer size.

Go Heavy

Intense weight lifting makes a difference. In reference to resistance training, intensity is how heavy your lifts are compared to your one rep max.

Training in the 1-6 rep range boosts anabolic hormones such as testosterone, growth hormone, and insulin-like growth factor (IGF-1) to a greater degree than less intense lifts, yet all weight training does this to an extent.  

Sprinkle in a bit of heavy along with your hypertrophy-focused moves to supersize hormonal responses.

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Train With More Volume

In case you’re unaware, in weight training circles volume is a reference to the amount of sets you knock out in a session for a particular muscle group.

So weight training uses glycogen as one of its go to energy sources right? Right. Added volume means additional glycogen being used.

Glycogen-depleting workouts lead to overcompensation when you do happen to consume carbs, by storing more glycogen than before [7]. Up to a 20% increase!

Short-term overcompensation means a fuller muscle, but not only that - long-term your body will develop the capacity to store more glycogen even in the absence of supercompensation. 

Try Shorter Rest Periods

Extended rest periods between sets is good for recovering and allowing you handle more resistance per rep. But!

This is certainly the enemy of a pump and isn’t the most efficient way to build muscle (sorry powerlifters).

Condensed rest aids the blood flow gains of a pump. To pile on it creates one in the first place, being that you don’t give your body a chance to move that extra blood out of the targeted muscle.

Too long between sets and that excess blood flow is out the door.

Try limiting your rest periods to 30-60 seconds between sets for a better chance at keeping blood volume up.

More Time Under Tension

Personally I’m not the biggest advocate for exclusive high rep, time under tension focused training. Unless you’re dealing with some sort of injury of course, however.. 

A good pump-inducing muscle-taxing burnout set before changing muscle groups can give you more walking around size. I’m a big fan of taking my muscles past failure with a solid finisher set, after my final workout set for a particular group.

Make some of your sets, especially the last set, go for 45-60 seconds of straight tension and over time you’ll be glad you did.

Time under tension is how long your muscles are under load. These long sets cut off circulation to working muscles.

The continuous contraction leaves blood outside waiting to get in. When the set ends it’s like a ribbon cutting ceremony for your vascular system.. the crowd is so eager to get in that maaad blood flow rushes through the door as soon as you stop.

Progressively, continued pumps and the outward pressure they produce will stretch muscle fascia.

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Static Stretch While Pumped

Once you finish-off a muscle group, stretch that muscle group for 30-60 seconds.

According to the Journal of Applied Physiology this may lay the foundation for new muscle fibers and piggybacks on the outward pressure your blood flow provides while pumped [8].

Gradually it’ll show. 

Stay On Your Protein Intake

This point is more about long-term muscle growth and retention than anything else. You need amino acids to maintain and build more muscle - without, no matter how you try, those muscles are bound to deflate & disintegrate.

1-1.8 grams of protein per pound per day has worked well for world-class athletes.

Get your munch on. 

Pour Up The Water

I say again, water makes muscles full and hard. In addition, you want to avoid dehydration: protein, creatine, glutamine, carbs, and caffeine all require heightened water intake if you want the full benefit, as well as if you want the full muscles (had to throw that in).

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Posing/Flexing Practice

Your impulse may be ”I don’t compete and don’t plan on competing”, but bear with me.

Competitor or not, holding a flex for each muscle group outside of your standard resistance training sessions will promote extra blood flow.

Unless you’re a beginner, it won’t build much muscle on its own, still a few times per week set aside a solid amount of time to go through and hold a strong contraction for each muscle group.

Need more incentive? Not only does flexing/posing practice enhance blood flow, it’s contraction practice. It’s not enough to just master the pattern of movement when lifting, you want to master intentional contractions.

Doing so will bolster your training sessions and therefore the building of muscle. To have quality contractions, your mind-muscle connection must be intact.

Mind-muscle connection is your ability to effectively use a specific muscle or group of muscles via proper motion and contraction.

It’s you being able to “think” the muscle; to become one with the muscle if you will.

The better your contractions, the better your connection, the better your growth and fat loss. So become familiar with how to contract each muscle group, initially you may have no clue how to isolate a specific muscle, yet over time with a concerted effort you’ll develop that connection.

Note: An easy way to get this effect in is by flexing between sets, as well. It’s extra practice and makes way for an even better pump.

Recover From Lifts

Muscle grows during the recovery process.

You tear muscle tissue via training and it repairs better equipped to handle a similar stimulus with proper recovery.

Doing so will help maximize hypertrophy potential and your potential for muscle fullness. Otherwise you’ll eventually dip your toe in the overtraining syndrome water and welcome all of the hormonal pitfalls that comes with that.

Multivitamin

Sufficient water consumption is a go for maximizing muscle fullness and growth, but it has potential side effects.

Particularly if you don’t use the best source for your situation, the reason I’m about to mention is part of why I recommended spring water for most scenarios.

You risk prematurely flushing some minerals out of your system. To help combat this potential, supplement with a multivitamin.

As stated many times, glycogen storage is the most important aspect of muscle fullness, then there’s your sodium to potassium ratio, on the other side other minerals have something to say about where you hold water as well.. just to a lesser degree.

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MY THOUGHTS

A concern with full muscles is usually about competitions or photoshoots or social media posting, but I don’t know an everyday lifter that wouldn’t like to maintain fullness.

Don’t get too caught up or stressed if you have a day or so in the flat arena, especially when cutting. It doesn’t mean your gains are gone, trust me. If you’re cutting steadily and correctly they’re still there. Just follow these tips and you’ll be full more often than not. And you’ll know how to fix any lack of fullness.

Trying to trick your body or not enough consistency can lead to water decreases inside and possible increases outside the muscle. If you’re getting ready for the stage you may dabble in trickery a bit (as of now I have no stage experience, so consult with those with a ton of it if you’re working on peaking), but that seems like quite the risk not knowing how the body may respond. Consistency is more predictable.  

Another possible fullness tip.. did a lot of scouring and this is probably a little too nuanced to have a study on it, but I take a daily walk just to get sunshine and at least 20 minutes of outdoor activity each day. When the Sun is out I take my walk shirtless to soak up extra vitamin d, right from the source and I’ve noticed something year after year. During spring and summer, when the Sun is in full glory, my muscles are fuller than any other time of the year. Could be in my head, could be testosterone related, or maybe another factor I haven’t considered. I’d feel like I cheated y’all if I left that out though!

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Alright muscle fullness, IT’S ABOUT THAT TIME

We came, we saw, and we conquered muscle fullness AKA when your muscles are filled up with glycogen and water. This creates a harder, tighter, more muscular appearance. If dieting down you’re bound to go flat at times, it’s part of depriving your body of its desired amount of energy. Still, maximize what you have and keep growing.. the process is a beautiful one. Embrace the challenges. I appreciate you checking this post out and if you got something valuable from it; do me a favor and share it with someone that could also benefit and follow me on all socials @EUGENETHEFIT - BE GREAT!

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