Conor Harris Profile picture
Aug 18 12 tweets 4 min read Read on X
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
The reason the pelvis tilts forward is usually because it’s looking for a way to create compensatory internal rotation - a very commonly limited range of motion in many people. Image
That’s why so many people fail to fix APT long term.

They keep stretching hip flexors and “activating” glutes… but those muscles are just reacting to a deeper skeletal issue.
Key concept:

Skeletal position dictates muscular function.

If bones are positioned poorly, muscles adapt to that new position, and their function can even change accordingly.
So the real fix for anterior pelvic tilt is restoring your center of gravity back onto your heels and stacking:

👉 Head → ribcage → pelvis → feet
Here’s a simple drill to start:
1.Stand ~1 foot from a wall, feet hip-width apart.
a ball between thighs + hold a chair in front.
3.Keep eyes straight, most of your back flat on the wall. 2.Place
Now:

•Evenly feel heel + big toe + pinky toe on both feet.
•Slightly bend knees until pelvis is gently against wall.
•Reach chair forward (don’t slouch).
•Keep mid & low back on wall.

Breathing:
•Exhale fully through mouth (5–10 sec) → feel side abs engage.
•Pause, then close mouth.
•Inhale silently through nose (don’t lose abs).

Do 5–10 breaths.
This drill shifts your pelvis back, re-centers your weight, and restores the skeletal foundation so muscles can actually function properly.

Stop chasing “tight hip flexors.”
Fix the root: center of gravity + skeletal stack.
Keep in mind there’s nothing inherently wrong with anterior pelvic tilt, as many people have it.

In fact, most of the population does to some extent.

But as I touched on in this thread, it can be indicative of potential significant movement limitations, which it then can matter. But many people live with it with no problems.
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✅Exercises that get results fixing mobility & pain
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More from @Conor_Harris_

Aug 16
The most underrated (and surprising) key to glute activation you’ve never considered: Your big toe.

There is an inherent connection that most aren’t aware of.

Here’s why - and you can use it to improve strength and boost performance. 🦶🍑 Image
First, two key facts:

1️⃣ Your glute max’s main job is hip extension, or straightening the hip.
2️⃣ Hip extension is naturally triggered in walking/running when your big toe presses into the ground as you push off.
Read 10 tweets
Aug 15
The reverse plank might be the single most underrated exercise for fixing slouched posture (thoracic kyphosis).

Why?

Because it addresses the real underlying issues at both your shoulders and hips.

Here’s why it works, and how to do it 🧵 Image
Most people think “fixing posture” is about pulling your shoulders back.

That’s not the case.

Slouched posture often stems from:
•Limited hip extension - the ability to get the legs under us properly
•Limited thoracic extension - secondary to a tight front ribcage
The reverse plank fixes these by:

✅ Driving hip extension with the glutes & hamstrings
✅ Moving your arms behind your body into extension
✅ Opening the chest & elevating the sternum
✅ Restoring front-side ribcage expansion
Read 10 tweets
Aug 12
Most people with chronic low back pain don’t realize that tight fascia in one key area could be a major contributor.

This area is called your Thoracolumbar Fascia, and it could be the secret to unlocking your low back.

Here’s what it is, why it matters, & how to fix it 👇 Image
Let’s talk about the Thoracolumbar Fascia.

It’s a dense connective tissue in your lower back that connects your trunk and your limbs. It helps transmit force when you walk, run, twist, or lift. Image
It also contains a lot of nerve endings, so it’s sensitive to pain & dysfunction. Image
Read 11 tweets
Aug 8
Dead hangs are one of the most powerful tools for shoulder mobility & spinal decompression

However, very few people are doing it in a way that unlocks its true benefits.

🧵 Here’s how to do it right and why it matters: Image
Let’s start with what’s really happening when you hang:

As your arms go overhead, the lats get stretched.

But not just the lats - your pecs, intercostals, and even parts of the back ribcage begin to open.
This can be huge for fixing things like slouched posture.

And also simultaneously improving overhead motion biomechanics of the shoulder.
Read 13 tweets
Aug 6
95% of people with “weak” or “underactive” glutes just simply don’t know how to train them properly.

So they do endless glute activation drills to try to fix it, when in reality they just need the right cues.

Here’s a fool-proof guide to feel your glutes properly engage 🍑💪🏼 Image
To get a muscle to contract powerfully, it first needs to be fully lengthened.

For the glutes, this means getting a deep stretch through hip flexion, such as a hinge:
Let’s break it down:

Your glutes attach to the back of your pelvis.

As you descend into hip flexion (like during a deadlift), they lengthen.

That stretch, especially with internal rotation of the hip, primes them for activation.
Read 10 tweets
Aug 5
Your “tight” hip flexors probably aren’t too strong and overactive.

In fact, tightness is often a sign of weakness.

Here’s why stretching alone won’t fix it, and what to do instead (with specific drills at the end):👇 Image
Most people feel their hip flexors (like the psoas) are tight, so they stretch them constantly…

…but the tension doesn’t go away for more than a few minutes.

Why?

Because the muscle isn’t just tight, it’s weak and dysfunctional. Image
Let’s get clear on one thing:

A chronically “tight” muscle is often a muscle that isn’t working properly through a full range of motion. It’s guarding or stuck.

The solution isn’t endless stretching.

It’s restoring function. Image
Read 11 tweets

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