Mike Behr Profile picture
Aug 27, 2025 11 tweets 4 min read Read on X
This might save your life...

If you sit more than 8 hours a day, you're setting yourself up for:

• Early death
• Chronic pain
• Metabolic dysfunction

Here's everything you need to know to reverse the physical damage of sitting: Image
First, let's talk about what sitting actually does to your body.

• Your hip flexors shorten and tighten
• Your glutes shut down completely
• Your spine compresses by 40%
• Blood pools in your legs

And if you're like most executives, you're doing this 10+ hours daily.
The consequences are devastating.

• Your risk of heart disease increases by 147%.
• Your metabolism slows to a crawl.
• Chronic back pain becomes your new normal.
• Your posture deteriorates, causing neck and shoulder tension.

But here's the kicker...
Even crushing it at the gym won't save you.

One hour of exercise doesn't offset 10 hours of sitting.

You could hit the gym religiously, but still feel like garbage..

Here's what actually works:
1. Movement every 30 minutes.

• Set a timer on your phone.
• Stand up for 2 minutes.
• Do 10 bodyweight squats.
• Walk to get water.

This simple habit prevents blood pooling and keeps your metabolism active throughout the day.
2. Fix your workspace setup.

• Your monitor should be at eye level - no looking down.
• Feet flat on the floor, knees at 90 degrees.
• Elbows at 90 degrees when typing.

Poor ergonomics creates muscle imbalances that compound over years.
3. Master the hip flexor stretch.

• Kneel in a lunge position.
• Push your hips forward.
• Hold for 30 seconds each side.
• Do this 2-3 times per day.

Sitting shortens your hip flexors, which pulls your pelvis forward and destroys your lower back.
4. Take walking meetings whenever possible.

Most calls don't require you to be glued to your desk.

• Stand up.
• Pace around.
• Use wireless headphones.

You'll burn calories, improve circulation, and often think more clearly while moving.

This habit alone can add 2-3 miles of walking to your day.
5. Train your shoulders 2-3 times per week.

This has been the biggest game-changer for my posture and physique.

• Lateral raises
• Rear delt flyes
• Overhead press

2-3 times per week.

Strong shoulders pull you out of that hunched-forward position and create that confident, powerful look.
The bottom line:

Your body adapts to what you do most.

Sit 10 hours a day?
It gets really good at sitting.

Move regularly throughout the day?
It stays mobile and strong.

Small actions compound into massive results over time.
What’s your best piece of advice for counteracting the effects of sitting?

Drop it down below.

& Follow @mike_behr_ for more content like this.

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More from @mike_behr_

Nov 13, 2025
This single metric predicts your lifespan:

VO2 Max.

The better it is = the longer you live.

Yet 90% of people have no idea how it works…

Here's what it is & how to improve yours (from an ironman athlete): Image
Image
1. What is VO2 Max?

It's the maximum amount of oxygen your body can use during exercise.

The higher it is, the more oxygen your heart & lungs can deliver to your muscles while working hard.

It's a direct measure of your cardiorespiratory fitness - how well your entire system functions.
2. Why VO2 Max matters more than you think:

Low VO2 max is linked to higher risk of:

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Studies show it's 3X more beneficial to longevity than not smoking.
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Nov 3, 2025
Meet Dana White.

UFC President told he had 10 years to live at 53.

• 236 pounds
• Severe metabolic syndrome
• A walking time bomb

Now he’s 196 lbs, and shredded at 56.

Here's how he did it: Image
1. His wake-up call was brutal.

At 53, White was "50 going on 70."

Constant travel, stress, and heavy lifting wrecked his body.

The numbers were terrifying:

• Triglycerides at 764 (normal is under 150)
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• Sleep apnea requiring a CPAP

He was a walking time bomb.
2. Enter Gary Brecka from 10X Health Systems.

After a blood analysis, Brecka delivered the news:

"You have 10.4 years to live."

White dropped 40 lbs in 10 weeks, normalized his biomarkers, and ditched the CPAP.

That was 3 years ago.

He's now leaner than ever.
Read 10 tweets
Oct 29, 2025
This is Dr. Daniel Lieberman.

A Harvard evolutionary biologist who traveled to remote tribes around the world to study how humans are actually supposed to live.

He sat down with Steven Bartlett and discussed his secrets for exercise, aging, and longevity.

Here are the top 8: Image
1. The 8-hour sleep myth is destroying your peace of mind

Hunter-gatherers with zero electricity, phones, or TVs sleep 6-7 hours per night — not 8.

Studies show 7 hours is actually optimal for most people. Better health outcomes than 8.

Stop stressing about the "perfect" sleep number. Focus on consistency instead.
2. Sitting isn't the problem — how you sit is

Hunter-gatherers sit just as much as Westerners do.

The difference?

They get up every 10-15 minutes instead of sitting for 40+ minutes straight.

Those interruptions activate cellular mechanisms that:

• Lower blood sugar
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• Keep your metabolism active
Read 11 tweets
Sep 22, 2025
Meet Larry Ellison.

An 81-year-old billionaire with the:

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Of someone 30 years younger...

Here are 8 longevity lessons we can learn from the 2nd richest man in the world: Image
1. He treats longevity like a business problem to solve.

Ellison has invested over $350 million in aging research since 1997.

Founded the Ellison Medical Foundation for biomedical aging studies.

Works directly with Dr. David Agus at his anti-aging institute.

He's literally funding the science of not dying.Image
2. His diet is extremely disciplined and hasn't changed in 30+ years.

He takes a "Veg-aquarian" approach:

• Vegetables and fruits as foundation
• Fish for protein (no red meat)
• Zero processed foods
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Only beverages: green tea, water, and carrot juice.Image
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Sep 16, 2025
No matter how much you sleep, you wake up:

• Tired
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• Wishing you could stay in bed

& no, you're not just "lazy"...

It's called "Chronic Fatigue Syndrome" & it can ruin your life.

Here's what causes it & how to fix it forever: Image
Image
1. What is chronic fatigue?

It's a constant state of tiredness that doesn't improve with rest.

It affects your:

• Energy
• Focus
• Mood.

Even your immune system.

Many people have it and don't even realize it.
2. The scope of the problem

Chronic fatigue affects over 2.5 million people in the US alone.

But that's just what's diagnosed.

Millions more are walking around constantly drained and calling it "normal."
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Sep 15, 2025
I found a guy who's been a top heart surgeon for 25+ years.

Dr. Jeremy London.

His message?

Most people don't know they have cardiovascular problems until it's too late...

Here are 8 life-saving lessons he wants everyone to know: Image
1. Your body has a built-in warning system - but most people ignore it.

Three red flags that something's wrong with your heart:

• Chest pressure during activity (relieved with rest)
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2. After age 30, you lose 10% of your muscle mass every decade.

This isn't just about looking good - muscle is a "sink" for glucose in your body.

Less muscle = higher blood sugar = insulin resistance = cardiovascular disease.

The deadlift you do today becomes picking up your suitcase at 80.
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