Endometriosis and Exercise: Why the First 10 Minutes Used to Wreck Me
Endometriosis is the biggest asshole here.
Let’s just start there.
It’s not “bad cramps.”
It’s not “just part of being a woman.”
It’s not something you fix with ibuprofen and a heating pad.
It’s a systemic inflammatory disease that can hijack your nervous system, your energy, your training - and honestly, your identity.
And for most of my life, it hijacked mine.
The 10-Minute Crash
Since I was 16 - puberty - every time I exercised, within the first 10 minutes, I would get hit with 10/10 pain.
The first time it happened was in gym class during a required 10-minute run. I couldn’t finish.
Which would have been easy to write off as “she’s out of shape.”
Except I wasn’t.
I’ve been an athlete my entire life.
Over the next decade and a half, I saw 27 doctors. I had countless tests. The only consistent recommendation?
“Go on birth control.”
That was it. No one could explain why intense pain would hit exactly when my heart rate climbed. No one connected it to training variables. No one talked about stress physiology.
So I did what I always do when something doesn’t make sense.
I studied it.
What I Started Noticing
I dove deep into endometriosis research. I also started training more women with endo, and I asked questions constantly. What triggers it? When does it spike? What happens during workouts?
It presents differently for everyone. That part is true.
But one pattern kept showing up:
When heart rate increased too quickly, too early in a workout, symptoms followed.
Sharp pelvic pain
Leg cramps
Dizziness
Crushing fatigue
Sometimes the pain hit immediately.
Sometimes it waited until hours after the workout. Then bam - you were out for the rest of the day.
That is not a conditioning problem.
That is a stress-response problem.
What’s Actually Happening Inside the Body
Endometriosis tissue behaves like inflammatory tissue. It responds to hormonal shifts - and it responds aggressively to stress signals.
When you spike intensity quickly:
Your sympathetic nervous system (fight-or-flight) activates.
Cortisol and adrenaline surge.
Blood flow is redirected away from the pelvis toward working muscles.
Inflammatory mediators like prostaglandins and cytokines increase.
Pain receptors — already sensitized in many women with endo - fire harder.
Many women with endometriosis also experience central sensitization. That means the nervous system amplifies pain signals. The threshold for pain is lower. The response is louder.
Now layer on:
Increased intra-abdominal pressure
Pelvic floor tension or guarding
Pre-existing inflammatory lesions on ligaments, nerves, bowel, and ovaries
You don’t just “feel discomfort.”
You light a match.
That 10-minute crash I used to feel? It was likely a combination of rapid cortisol spike, blood flow redistribution, pelvic floor guarding, and hypersensitive nociceptors firing at full volume.
It wasn’t weakness.
It was physiology.
What Changed Everything
I stopped shocking my system.
Instead of jumping straight into high intensity, I built a slow, progressive warm-up.
Extended mobility.
Dynamic movement.
Breath control.
Heart rate capped in Zone 2 for 10–20 minutes.
That gradual ramp does a few critical things:
Regulates the nervous system instead of triggering fight-or-flight
Gradually increases blood flow to pelvic tissues
Improves tissue temperature and fascial glide
Reduces inflammatory signaling before anaerobic stress
Improves mitochondrial efficiency before intensity
In simple terms?
It tells the body it’s safe.
Once my system is regulated, I can train hard. I can lift heavy. I can push intensity.
But I earn that intensity.
Movement isn’t the enemy.
An unmanaged stress response is.
If You Have Endometriosis and Exercise Feels Impossible
You’ve probably been told one of two things:
“Just push through it.”
“Maybe you shouldn’t exercise.”
Neither is correct.
The answer is not avoidance.
The answer is intelligent dosing.
Endometriosis feels like a fire inside your body.
But movement - when programmed correctly - is water.
What I Do Now
Every week I write individualized strength and conditioning plans for women navigating:
Endometriosis
PCOS
PID
Other chronic inflammatory or hormonal conditions
This is not random programming. It is physiology-based, nervous-system aware, hormone-informed training.
Because women do not need more punishment workouts.
They need smarter ones.
If you’ve been struggling to find a routine that doesn’t flare you up, there is a way forward.
And no, it does not start with “just push harder.”
Need a more customized workout plan for you endometriosis, PCOS or other chronic condition? Sign up for personal training or online coaching
