The Skinny Gal’s Guide to Squats — Bony to Bombshell
Squats are the bulking lift. They’re absolutely amazing for bulking up our quads and glutes, and they stimulate more overall muscle mass than any other lift, with the possible exception of the deadlift. But there are many different squat variations, each with their own distinct advantages and disadvantages. For powerlifters, the low-bar squat rules. It uses a smaller […]

Squats are the bulking lift. They’re absolutely amazing for bulking up our quads and glutes, and they stimulate more overall muscle mass than any other lift, with the possible exception of the deadlift. But there are many different squat variations, each with their own distinct advantages and disadvantages.

For powerlifters, the low-bar squat rules. It uses a smaller range of motion, it has great leverage, and our back strength won’t ever hold us back. If our goal is to squat as much weight as possible, low-bar squats are best.

For athletes, high-bar squats are popular. The range of motion is a little larger, it still allows for fairly heavy loading, and it does a great job of bulking up our lower bodies. For sprinters, footballers, and rugby players, it’s a great squat variation.

For men, front squats are usually best. They’re harder on the upper back muscles, which helps to build thicker torsos and better posture.

But what if you’re a skinny gal who’s trying to get bigger, stronger, healthier, and better looking?

Skinny to hourglass women's bulking transformation

Why Squats Are So Good for Bulking

So, first of all, you may have heard that the squat works over two-hundred muscles. There’s some truth to that. Most of the muscles in our bodies will need to work together to stabilize the weight, whether that’s our spinal erectors keeping our backs straight, our calves keeping us from falling over, or our lats keeping the barbell pulled in nice and tight.

However, just because a muscle is active doesn’t mean that a muscle is being challenged. If we consider our calves, sure, they’ll be putting in work. And as beginners, they might even be putting in enough work to grow. But as soon as our calves are strong enough to keep us from tipping over, they’ll stop limiting us on the squat, and so they’ll stop getting a growth stimulus.

So although squats work most of the muscles in our bodies, the limiting factors are our quads, glutes, adductors, and possibly our spinal erectors. Those are the muscles that will grow.

Before and after photo of a woman gaining weight (and squatting)

Now, that isn’t to minimize the benefits of the squat. Our quads are the largest muscles in our bodies, with our glutes coming in second. And not by a small margin, either. Our quads are four times as big as our shoulders, our glutes are twelve times as big as our biceps (source). These are huge muscles with tremendous potential for growth.

(Note that we aren’t mentioning hamstrings. They’re active during squats, but they aren’t a limiting factor, and so they rarely see much growth from squatting. It’s the deadlift that takes care of our hamstrings.)

So it’s not that squats work a large number of muscles, but rather that the squats work our very biggest muscles very hard. We’re only training 3–4 groups of muscles, but the muscles are so incredibly big that we’re working about half of the muscle mass in our bodies.

As you can imagine, this makes squats amazing for bulking up, and the benefits go beyond the obvious:

  • Bigger hips, glutes, and thighs: an obvious benefit, yes, but a great one nonetheless.
  • Much more overall muscle mass: which comes along with benefits such as higher insulin sensitivity, better blood sugar regulation, and a longer lifespan.
  • Denser bones, tougher tendons: because the muscles we’re working are so big, we’re also putting quite a heavy load on our bones, tendons, and connective tissues.
  • Easy to recover from: the only other lift that stimulates a similar amount of muscle growth to the squat is the deadlift. However, the deadlift is quite hard on our spines and hands, forcing us to deadlift more sparingly, lest we run into fatigue issues. Squats don’t have that problem. Most women can squat 3–5 times per week without feeling worn down.
  • More work being done: because so much muscle mass is engaged with the squat, it’s hard on our anaerobic system while squatting, but then it’s also hard on our aerobic system as we recover. Note that when you finish a set of squats, your heart rate is substantially higher. This makes squats great for improving your general fitness (in a comparable way to doing bike sprints).

Overall, this makes squats the best bulking lift. This is especially true if you’re keen on bulking up your glutes and quads.

Squats Build Bigger Butts than Hip Thrusts (Probably)

Most of us can benefit from having a bigger butt. Not only does it look great, but it also helps to protect the back from injury and reduces the incidence of lower back pain.

What’s interesting is that because squats work the glutes through such a large range of motion with such a heavy load, they stimulate even more glute growth than glute isolation exercises like the hip thrust, and certainly more glute growth than donkey kicks and clamshells and all of the lighter isolation exercises.

If we look at a 2020 study by Barbalho et al that compared the barbell back squat against the hip thrust, we see that the squat produced twice as much glute growth as the hip thrust did.

Now, this doesn’t mean that you shouldn’t also be doing hip thrusts. They both have different strength curves, with squats being hardest while your glutes are stretched, whereas hip thrusts are hardest when your glutes are clenched. Both will train your glutes in slightly different ways, and so we’d expect a routine that includes both to be ideal.

But this does mean that the heavy compound lifts that work your glutes through a large range of motion—squats and deadlifts—should be your main glute exercises. After that, we could pop in some moderate-rep isolation work, such as hip thrusts, glute bridges, lunges, and so on.

The Three Main Squat Variations

The Goblet Squat

Illustration of a woman doing a dumbbell goblet squat.

The goblet squat has us holding the weight in front of us, in our hands. It’s the best variation for beginners, and there are a few reasons for that:

  • All we need is a dumbbell.
  • It’s simple and intuitive to learn.
  • It keeps our torso upright, allowing us to squat deeper.
  • It develops strength in our upper bodies, giving it greater carryover to our real-world strength, as well as to our other lifts.
  • It’s easy to mix into circuits. Just bring a dumbbell over to your workout area and you can mix in your squats alongside your other exercises.

However, it’s not only good for beginners. Until we can do fifteen or more repetitions with our heaviest dumbbell, it’s an absolutely amazing squat variation.

The only downside to goblet squats is that our legs may grow stronger than our arms, at which point our arms will get a greater growth stimulus than our legs. A beginner’s legs will grow with even a modest stimulus, so this isn’t a problem at first, but as we move into the intermediate phase, we want to make sure that we’re bringing our glutes and quads close enough to failure to stimulate reliable muscle growth. That’s where the barbell squats come in.

The Front Squat

Illustration of a woman doing a barbell front squat.

The front squat has us holding the weight up against our necks, in the crook between our shoulders and our collarbones. It’s a great all-around squat and a true full-body lift.

On the plus side, the weight is held in front of us, which allows—or rather forces—us to squat with a more upright torso. The more upright our torso is, the less likely our hips are to jam up against our thighs, and so the deeper we’ll be able to squat:

Furthermore, supporting the weight in front of us means that our upper back muscles will need to fight to keep us from caving forwards:

Diagram of the upper back demands of the low-bar back squat and the front squat.

What we’re seeing here is that the moment arm is much bigger in the area of our thoracic spines, meaning that our spinal erectors will need to work much harder to maintain good posture while front squatting (as opposed to back squatting). Working those postural muscles under such a heavy load will make them much stronger over time.

As you can imagine, those are the very same muscles that help us stand taller and straighter, and so front squats are known for being one of the best lifts for improving posture:

Before and after photo of a woman's weight gain transformation

In addition to helping us improve our posture, being able to hold heavy things in front of us also has massive carryover to our real-world strength. For example, my wife prefers the front squat because it gives her the back strength that she needs to carry around our son.

On the negative side, there’s a chance that your back strength will be your limiting factor. If you’re ending your sets because your back is starting to round forward, then that may mean that you haven’t brought your glutes and quads close enough to failure yet.

It’s also a bit of a tricky lift to learn. Some people feel like they’re being strangled by a rough steel barbell. Other people find it painful on the tendons in their fingers and forearms. These problems go away after a couple of weeks—you’ll get more comfortable with the barbell against your neck, and you’ll develop more flexibility in your upper body—but in the meantime, it can be torture.

Takeaway: the front squat is an amazing squat variation, it’s our personal favourite, and it may even be the best all-around full-body bulking lift. However, depending on your goals, there’s a case to be made for the back squat as well (and most of us should master both).

The Back Squat

Illustration of a woman doing a barbell back squat.

The back squat is the most popular squat variation, and it has us resting the barbell on our backs. We could subdivide back squats into low-bar and high-bar squats, based on how high you place the barbell on your back, but both of those variations have more in common than not (and unless you’re a powerlifter, you should probably be placing the barbell higher anyway—on top of your traps).

The back squat forces us to lean forward as we squat, creating a deeper hip angle, and lengthening the moment arm for our glutes. We can further emphasize this effect by “sitting back” into the squat instead of “sitting down” into the squat, further lengthening the moment arm for our hips.

What we’re seeing here is that the back squat is slightly more challenging for our hips, a little bit less challenging for our quads, and much less challenging for our upper backs.

Because our quads tend to be our limiting factor while squatting, and because back squats are easier on our quads, most of us can back squat 25–35% more weight than we can front squat. However, even with all of that extra weight, most of us will still be limited by our quad strength. As a result, back squats are about the same for our quad development, but because we’re lifting more weight and have a longer moment arm for our hips, we might get some extra glute growth.

The next thing to consider is our hip and knee angle when squatting:

What we’re seeing here is that back squats have us bending less at the knees, more at the hips. That means that with back squats, we’re working our hips through a larger range of motion, which is great for glute growth.

However, despite these advantages for glute growth, keep in mind that deadlifts also have a deep hip angle and a large moment arm on the hips. If our program includes both front squats and deadlifts, we’re getting the benefits of both worlds anyway. There’s no need to turn our squats into deadlifts by driving our hips back like that.

A potential downside to back squats is that they can sometimes cause hip pain and they aren’t always easy on our shoulders. These are issues you could deal with as they present themselves, though. For example, if back squatting ever started to hurt your shoulders or hips, you could always switch to safety-bar squats, which have all the benefits of back squats but without the wear and tear. The only downside is that you’d need to get a safety bar.

The main downside to back squats is that they aren’t anywhere near as good for improving our upper back strength or posture as front squats are. They’re less of a full-body lift, more of a lower-body lift. And that’s fine.

Takeaway: back squats might be better for bulking up our glutes, they’re equally good for bulking up our thighs, but we lose the benefit to our backs, and they can, in some instances, put more wear and tear on our lower backs, shoulders, and hips.

Summary

Goblet squats are the best beginner variation, and they remain a great choice until we can lift the heaviest dumbbell for at least fifteen repetitions. The only downside to goblet squats is that our upper-body strength can be a limiting factor, which could hold back our lower-body growth.

Front squats work our quads through the largest range of motion, they’re the safest, they’re the best for our posture, and they stimulate the most overall muscle growth throughout our bodies. The one downside is that our glutes are worked through a smaller range of motion, but we have the deadlift for that anyway.

Back squats, especially if we “sit back” into them, are likely the best squat variation for building up our hips and butts. However, keep in mind that we also have deadlift variations that work our glutes through that exact same range of motion.

By default, we generally use the front squat as our main squat variation, and the back squat as a secondary variation, but there are no hard-and-fast rules, and we all have slightly different biomechanics. You can experiment and see which squat variations suit you best.

If you liked this article, and if you want a weight gain program with all of these principles built into it, you’ll love our Bony to Bombshell Program.


For many women, getting motivated to weight train is easier than ever; after all, there are a wide range of health- and physique-related reasons to pick up the iron. Unfortunately, as women, we just don’t have the level of anabolic hormones in our body that men do, so building force is, and probably always will be, more challenging. This does not mean, however, that it’s ! It’s just going to take a strategic approach.

Here to share some of their best tried-and-true muscle-building tips are the fit beauties from NLA. Listen, learn, and grow !

The ' eat no more than absolutely necessary ' approach won’t suffice if you want to add bourrinage. In fact, figure pro and NLA-sponsored athlete Jessie Hilgenberg says eating enough is one of her top priorities, which is one reason why she leapt at the opportunity to show us what’s in her fridge.

' It’s all about eating to fuel your groupes de muscles, ' she says. ' A lot of us can’t get over that hurdle of gaining force, because we simply aren’t eating enough to support and maintain growth. '

She likes using the IIFYM ( if it fits your macros ) approach, as it allows her to figure out the best formula that fits her body. ' It breaks it down into how much protein, carbs, and fat you should be eating for your activity level, ' Hilgenberg explains, ' and often, it’s more than you think ! '

There’s nothing wrong with full-body workouts. Many women are able to build appreciable muscle by training every major muscle group a few times a week, especially when they first start. But if your total-body approach isn’t taking or has plateaued, it might be time to try a body-part split.

This is what finally worked for NLA athlete and bikini competitor Theresa Miller, which is why she advises hitting each main bourrinage group alone for maximum intensity. ' It’s important to come up with a good weekly training schedule that best suits you and your body type and goals, ' she says. ' I like to devote specific days to focus on certain force groups such as shoulders, back, and legs. '

There are many ways you can organize your split. For example :

2-4 workouts a week : Push/pull ( squats and pressing motions one day, pulling motions the next ) 2-4 workouts a week : Upper body; lower body3 workouts a week : Legs; push; pull4 workouts a week : Chest and triceps; back and biceps; legs; shoulders and abs

Here’s the catch : These workouts should still be hard ! Embrace the challenge, and find out what #legday is all about. It could be just the thing to take your results to the next level.

When you increase kcal and protein, it can be tempting to up your cardio as well. After all, you don’t want to gain the wrong type of weight, right ? Jessie Hilgenberg says that esprit trap might be just the thing that’s holding you back. ' You don’t need to spend hours doing cardio—especially when you’re looking to add muscle, ' she says.

It can help to think of it this way : Every calorie you burn on the treadmill is one that your body won’t use to build force. If you’re looking for a challenge to replace all that cardio, Hilgenberg advises hopping into the squat rack and pushing new limits rather than continuing to submit to your old ones.

For NLA athlete and bikini pro Amy Updike, results came when she started really adding weight to the bar. ' I try to lift the heaviest weight I can while still maintaining proper form and reaching the range of 8-12 reps per set, ' she explains. ' Heavier weight for me means the force has to grow in order to lift it. '

Don’t expect to get a lot stronger overnight, though. Slowly add weight to the bar, giving your body a chance to rise to the challenge. While you may not add weight to every lift in each workout you do, you should see a gradual upward trend. If it’s been six months and you are still using the same weights, consider this a clear sign that you need a change of approach.

When you’re doing endless reps with tiny light weights, you can get away with sloppy form. That changes once you commit to lifting heavier. Form needs to become a top priority !

' Don’t get sloppy, ' advises Miller. ' Always do slow, controlled movements when hitting each rep. This will help you feel the movement and the burn in the right places.

One great thing about that 8-12 rep range is that it is low enough to help you gain some strength, but high enough that you’ll feel that essentiel mind-muscle connection—the feeling that helps you ensure you’re working the right bourrinage fibers and getting the most from each exercise you do.

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