The Importance of Breathing for Health and Physical Performance
- Laurent Le Bosse

- Dec 12, 2025
- 4 min read

The Importance of Breathing for Health and Physical Performance
Breathing is the most fundamental human function, yet most people do it incorrectly. Over time, lifestyle habits, stress, modern posture, and lack of awareness push us toward an inefficient style of breathing known as vertical breathing. To optimize our health, energy, and physical performance, we must return to the natural pattern we had as babies: horizontal breathing, also known as diaphragmatic or abdominal breathing.
1. Vertical Breathing: What It Is and Why It Happens
In a healthy infant, breathing is calm, deep, and rhythmic. The abdomen rises and falls: this is horizontal breathing, led by the diaphragm.
But as adults, we often switch to vertical breathing, characterized by:
• Lifting the shoulders with each breath
• Expanding only the upper rib cage
• Tightening the neck, chest, and upper back
• Very little movement in the abdomen
This shift happens due to:
• Chronic stress and shallow breathing
• Sedentary lifestyle and sitting posture
• Tight clothing
• Weak diaphragm activation
• Emotional tension patterns
• Lack of awareness or poor breathing habits
2. Why Vertical Breathing Is Inefficient
Vertical breathing forces the body to rely on secondary breathing muscles, such as:
• Upper trapezius
• Scalene muscles
• Sternocleidomastoid (neck muscles)
• Pectoralis minor
These muscles are designed for emergency breathing or high-intensity situations not for calm, daily respiration.
Because of this, vertical breathing has several major drawbacks.
2.1 Higher Energy Demand
Breathing should be energy-efficient.
When you use the neck and chest muscles to breathe:
• You consume more oxygen just to perform the act of breathing.
• Your body spends more energy at rest.
• You fatigue more quickly during physical activity.
2.2 Reduced Oxygen Intake
Shallow vertical breathing limits air to the upper lungs.
You miss the deeper, richer oxygen exchange that happens in the lower lobes where most alveoli (oxygen-exchange structures) exist.
Less oxygen = lower performance, lower recovery, more fatigue.
2.3 Increased Stress Response
Vertical breathing stimulates the sympathetic nervous system, also called the “fight-or-flight” system.
This leads to:
• Higher cortisol
• Increased heart rate
• Anxiety
• Tension in the neck and shoulders
Over time, this becomes a chronic stress loop.
2.4 Poor Core Stability
The diaphragm is a primary component of the deep core.
When it doesn’t work well, the core becomes unstable, leading to:
• Lower-back pain
• Poor posture
• Reduced movement efficiency
• Higher injury risk
2.5 Muscular Tension and Dysfunction
Overuse of secondary breathing muscles creates:
• Neck pain
• Shoulder tightness
• Upper-back fatigue
• Headaches
This is one of the most under-recognized problems in modern health.
3. How Vertical Breathing Impacts Physical Performance
Breathing is at the center of athletic ability. When breathing is inefficient:
3.1 Reduced Stamina
Shallow breaths deliver less oxygen, making you fatigue faster during:
• Running
• Strength training
• High-intensity intervals
• Martial arts
• Any endurance activity
3.2 Poor Movement Quality
Without proper diaphragmatic support:
• Movement becomes rigid
• Coordination decreases
• Stability during lifts is compromised
• Posture collapses under fatigue
3.3 Slower Recovery
Oxygen is essential to tissue repair and metabolic waste removal.
Poor breathing = slower recovery and higher soreness.
3.4 Limited Power Output
Optimal breathing enhances intra-abdominal pressure.
This creates:
• A stronger base for lifting
• Better transfer of force
• Improved explosiveness
4. The Benefits of Returning to Horizontal (Diaphragmatic) Breathing
Horizontal breathing restores the natural mechanics of the body:
✔ Better oxygenation
✔ Reduced stress and anxiety
✔ Improved digestion
✔ Enhanced posture
✔ Stronger core stability
✔ Better endurance and strength
✔ Faster recovery
✔ Lower muscle tension
This is why elite athletes, yogis, and breathing specialists prioritize diaphragmatic breathing every day.
5. How to Return to Horizontal Breathing
Here are the most effective steps to retrain your breathing:
5.1 Step 1: Awareness and Reset
Lie on your back, knees bent.
Place one hand on your chest and one on your abdomen.
• Inhale gently through the nose
• Let the belly rise first
• Keep the chest quiet
• Exhale slowly through the nose or lips
Aim for 70–80% movement in the abdomen.
5.2 Step 2: Diaphragm Activation
Try this exercise:
Crocodile Breathing (face down)
• Lie on your stomach
• Rest your forehead on your hands
• Breathe into your belly so it gently presses into the floor
• Keep shoulders relaxed
This strengthens the diaphragm naturally.
5.3 Step 3: Posture Correction
Breathing depends on posture.
Practice:
• Neutral spine
• Open rib cage
• Relaxed shoulders
• Long neck
Good posture = better breathing capacity.
5.4 Step 4: Functional Breathing During Movement
Practice horizontal breathing during:
• Walking
• Training
• Mobility work
• Strength sessions
The key: inhale through the nose, expand the belly and lower ribs, exhale with control.
5.5 Step 5: Daily Breathing Ritual (3–5 minutes)
Try this simple routine:
1. 4 seconds inhale through the nose
2. Hold 1–2 seconds
3. 6 seconds exhale
4. Repeat for 3–5 minutes
This resets the nervous system and reinforces proper breathing patterns.
Conclusion
Breathing is not just an unconscious act, it is the foundation of your health and performance.
Most people breathe vertically without even noticing it, leading to stress, poor posture, limited oxygenation, and reduced physical capacity.
By returning to horizontal, diaphragmatic breathing, you unlock:
• Better energy
• Better performance
• Better recovery
• Better overall health
Breathing is the first step toward moving, living, and performing at your best.




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