Did you know that posture affects your breathing & health!
- Jun 1
- 3 min read
Most people think breathing problems come from the lungs.
But what if your posture is the real issue?
In a fascinating interview titled “Your Posture Is Killing Your Ability to Breathe”, breathing expert Brian MacKenzie explains something many people have never been taught:
The way you sit, stand, and hold your body directly changes how well you breathe.
Breathing affects energy, stress, sleep, pain, focus, and even anxiety.
Let’s break this down.
Breathing Isn’t Just About Air — It’s About Position
Many of us spend hours:
sitting at desks
looking at phones
driving
slouching on the couch
Over time, the body adapts to this position. Your shoulders round forward, your chest collapses, and your head moves forward.
This posture is often called “modern posture.”
The problem?
Your breathing system is built for an upright, balanced body.
When posture collapses, breathing becomes restricted.
Your Rib Cage Is Meant To Move Like a Bucket Handle
Your ribs aren’t fixed in place. They are designed to expand and move every time you breathe.
When you inhale:
ribs move outward and upward
diaphragm moves down
lungs fill easily
But when you slouch:
ribs get stuck downward
chest becomes compressed
diaphragm can’t move properly
This forces the body to switch to shallow breathing.
And shallow breathing has big consequences.
From Nose Breathing → To Stress Breathing
When posture collapses, breathing shifts from:
slow, deep, nose breathing to
fast, shallow, upper-chest breathing.
This type of breathing tells the brain:
🚨 “Something is wrong.”
Your nervous system reacts as if you’re under threat.
This activates the fight-or-flight response, even when nothing dangerous is happening.
Over time this can lead to:
anxiety
fatigue
brain fog
poor sleep
muscle tension
headaches
Many people think they have anxiety — when in reality, their breathing pattern is stressing their nervous system.
Why Neck and Shoulder Pain Often Comes From Breathing
Here’s something surprising covered in the interview:
When you don’t use your diaphragm properly, the body recruits emergency breathing muscles in the neck and shoulders.
These include muscles like:
upper trapezius
sternocleidomastoid (neck muscles)
These muscles are meant for short bursts of breathing during danger or exercise — not for everyday breathing.
So when posture causes shallow breathing, these muscles work overtime.
Result?
Chronic:
neck pain
tight shoulders
upper back tension
Many people stretch these areas constantly, but the real problem is breathing mechanics.
Your Head Position Changes Oxygen Intake
Forward head posture is extremely common today.
For every few centimetres your head moves forward, the neck muscles must work harder to hold it up.
This compresses the airway and makes breathing less efficient.
Imagine trying to breathe through a slightly bent straw. You can do it — but it takes more effort. Your body compensates by breathing faster.
Faster breathing = signals a threat and stresses the nervous system.
Why Mouth Breathing Gets Worse With Poor Posture
Slouched posture makes nasal breathing harder. The chest collapses, and the airway narrows. So the body switches to mouth breathing to get air more quickly.
But mouth breathing:
dries the airway
reduces oxygen efficiency
increases stress signals to the brain
Nose breathing is calming and efficient. Mouth breathing is an emergency mode.
And posture influences which one you use.
Posture, Breathing, and Anxiety Are Deeply Connected
Your body position influences your emotional state.
Slouched posture → shallow breathing → nervous system alert → anxiety feelings.
Upright posture → diaphragmatic breathing → nervous system calm → sense of safety.
Your brain constantly reads signals from your body to decide:
“Am I safe?”
Posture and breathing are two of the biggest signals it uses.
The Good News: Small Changes Make a Big Difference
You don’t need perfect posture. You don’t need to sit like a soldier.
Small shifts help a lot:
• Sit tall with ribs stacked over hips
• Let your shoulders relax down and back
• Keep head gently stacked over shoulders
• Breathe slowly through your nose
• Take regular movement breaks
Even improving posture a little can make breathing easier.
And better breathing improves:
energy
calmness
sleep
focus
pain levels
Summary
Your posture is not just about appearance.
It affects:
how you breathe
how your nervous system feels
how your body experiences stress
When posture improves, breathing improves.
When breathing improves, life feels easier.
Your body and mind are deeply connected — and posture is one of the simplest places to start.
You want to explore and learn functional breathing -
call today 0468 466 445 and schedule an appointment.

GUN MESKANEN HOPKINS – registered Mental Health Clinician
ACCREDITED MENTAL HEALTH SOCIAL WORKER,
Certified Evidence-Based EFT and BUTEYKO BREATHING PRACTITIONER





Comments