Conor Harris Profile picture
Sep 23, 2020 13 tweets 4 min read Read on X
A thread on how to train the Glute Max

You often hear terms like “gluteal amnesia” or “my glutes are asleep”

Nah, your positioning and exercise selection probably sucks.

Let’s dig in on how to attack the glutes.

We first should appreciate it’s mechanics to best... Image
train it.

It has a significant role in:
- External Rotation at the hip and femur (leg bone)
- Hip & Trunk extension
- Hip abduction
- Posterior pelvic tilt

And yet, it is hardly active at all during standing and walking (Neumann, 2010). Interesting, huh? Image
In order for a muscle to be properly contracted, it needs to be stretched. That is what cues contraction of muscles in the human body.

That’s partially why it doesn’t function much in walking and standing, while it does much more in running. Image
So placing a band around the knees and shoving them way outside your feet is not the optimal.

That’s a great way to keep the glutes contracted the whole time and leads to sub-optimal recruitment. Image
HIP EXTENSION TRAINING

The glutes are primarily hip extensors. They display increasing internal moment arms (peak contraction) as they get closer to full hip extension.

Interestingly, they are also heavily active in over-extension of the hips (Beardsley, 2019). Image
Therefore, hip thrusts should lead to the greatest glute max recruitment in hip extension.

I would encourage you not to overextend the lumbar spine here (arching the low back). That’s the #1 error I see on these. Image
Keep a slight posterior pelvic tilt to help fire up those glutes.

You won’t be able to get your hips up as high without cheating, and that’s okay.

Work through the range of motion you have available to you as opposed to chasing compensatory mobility. Image
HIP EXTERNAL ROTATION

Due to the principle of stretch-to-contract as I mentioned earlier, exercises that take the hip from internal rotation to peak external rotation are going to be great here.
This single leg deadlift variation gets the job done. Turn your hips in on the way down and finish in full hip extension. The hip actually goes through high degrees of external rotation as it approaches full hip extension.

This is killer. I got this one from Kyle Dobbs.
HIP ABDUCTION

This is a tough one because the glute max isn’t a great hip abductor.

I would argue we would be best incorporating it with other muscles such as the posterior gluteus medius which is a primary abductor.

We might think of clamshells here, but honestly traditional
clamshells are often butchered heavily.

I like this (PRI exercise) instead which has much more intent behind it as well as a posterior glute med component too.

Try this before your glute training or leg day and see what happens:

Overall, the glutes will not be maximized via one exercise.

Because they have a lot of attachments & roles in the body, we need multiple different exercises in multiple different planes.
A note on this: keeping the knees in line with the toes with a band can have benefit in the right context. The above is an example of too far

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More from @Conor_Harris_

Sep 3
The Tibialis Posterior is one of the most underrated muscles for fixing knee, ankle, and foot pain.

Weakness here shows up in countless injuries - yet most rehab overlooks it. Let’s break down why it matters & how to train it 👇 Image
1️⃣ Why it’s so important
Research links a weak tibialis posterior to ankle & foot pain.

This muscle originates on the back of the shin and runs behind the medial ankle, under the foot. Its unique position makes it essential for arch control.
2️⃣ Controlling pronation
When your foot hits the ground, the arch naturally lowers (pronation).

The tibialis posterior decelerates this motion so it happens in a controlled, healthy way. Weakness = arch collapses too far, too fast.
Read 10 tweets
Sep 1
Struggling to squat deep without buttwink or your back rounding?

Most people blame it on ankle mobility… but that’s only part of the story.

Here’s what you need to know to fix your squat at the root cause 🧵 Image
The real question: why is ankle mobility limited in the first place? Image
One underrated reason 👉 Your body’s center of gravity is shifted forward.
Read 12 tweets
Aug 29
Most people are missing one key piece of hip mobility.

And if you don’t have it, your low back is the one paying the price.

Let’s talk about hip extension 🧵 Image
Hip extension = your ability to bring your leg fully under you and slightly behind you.

It’s one of the most commonly limited motions I see when assessing clients. Image
Why does it matter?

If you can’t extend at the hip, your body will find a workaround:

👉 Arching the low back instead.
This creates repetitive stress on the spine.
Read 9 tweets
Aug 25
Most people think Sciatica is caused by a tight piriformis muscle.

But the piriformis is usually just the messenger, not the root problem.

Here’s what’s really going on (and how to fix it)… 🧵 Image
Most people with sciatica think the issue is their piriformis muscle being too tight and pressing on the sciatic nerve.

So, they stretch it or roll it out for temporary relief…

But that tight piriformis is usually just a symptom of something bigger. Image
The real problem often starts with your body’s center of gravity shifting forward. This is what I commonly see in my clients with Sciatica.
Read 13 tweets
Aug 20
One of the most overlooked culprits in stubborn low back pain?

👉 The Quadratus Lumborum (QL).

It’s tight, overactive, and pulling your spine out of balance more often than you think.

Here’s why it matters and how to fix it 🧵 Image
First, it’s key to understand that the QL runs between your pelvic crest and lowest rib. Image
When it gets short and tight, it has 2 main effects:

•Both sides: compress + extend your low back (arching)
•One side: side-bend the spine, pull the shoulder down + hike the hip up
Read 11 tweets
Aug 18
Most people think anterior pelvic tilt, or hyperlordosis, is caused by:

•Tight hip flexors
•A tight low back
•Weak abs & glutes

But that’s just scratching the surface.

Understanding the real cause leads to better resulting fixing it 👇 Image
The overlooked question:

👉 Why are these muscles tight or weak in the first place? Image
With APT, the center of gravity of the pelvis + lower body shifts forward.

This pushes the pelvis down into hip flexion.

As a natural byproduct:
•Hip flexors get tight
•Low back gets tight
•Abs & glutes lengthen → weaken
Read 12 tweets

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