When it comes to improving performance, most people focus on strength, endurance and nutrition. You train your muscles, track your workouts and fuel your body — but there’s one key area that’s often overlooked.

Your breathing.

Your lungs and respiratory muscles play a central role in how your body performs during physical activity. Every movement, whether it’s walking, training, running or lifting, relies on a steady supply of oxygen to your muscles. The more efficiently your body can take in oxygen and remove carbon dioxide, the better your overall performance and recovery.

But like any other part of the body, your breathing system can become inefficient — especially if it’s not trained or supported properly.

For many active people, this can show up as getting out of breath quickly, feeling fatigued earlier than expected, or struggling to maintain endurance during workouts.

In this article, we’ll explore why respiratory training matters for active people, how it works, and simple ways to support better breathing for improved performance, stamina and recovery.

What is respiratory training?

Respiratory training refers to exercises and techniques designed to improve the strength, efficiency and control of your breathing.

While breathing happens automatically, the muscles involved — particularly the diaphragm and intercostal muscles (between the ribs) — can be trained just like any other muscle in the body.

When you breathe, these muscles work to expand and contract your lungs, allowing oxygen to enter and carbon dioxide to leave. If these muscles are weak or not used efficiently, breathing can become shallow and less effective, especially during physical activity.

Respiratory training focuses on:

Strengthening breathing muscles so they can work more efficiently
Improving airflow in and out of the lungs
Enhancing breathing control, especially during exercise
Supporting better oxygen delivery to the body

There are different ways to train your breathing, including:

✔ Breathing techniques

Simple exercises such as slow, controlled breathing or diaphragmatic breathing help improve how you use your lungs and breathing muscles.

✔ Resistance-based training

Some methods involve breathing against resistance, which helps strengthen respiratory muscles over time — similar to how lifting weights strengthens other muscles.

✔ Airway support techniques

Certain tools and devices are designed to help improve airflow, keep airways open and support more effective breathing patterns.

Over time, consistent respiratory training can help make breathing feel more controlled, efficient and less effortful, especially during physical activity.

Why breathing matters for active people

Breathing plays a much bigger role in physical performance than many people realise. Every movement your body makes — from light activity to intense exercise — depends on a steady supply of oxygen and the efficient removal of carbon dioxide.

When breathing is efficient, your body can perform more effectively. When it’s not, fatigue can set in much sooner.

1. Oxygen fuels your muscles

Oxygen is essential for energy production. During exercise, your muscles rely on oxygen to produce the energy needed for movement.

If your breathing is shallow or inefficient, less oxygen reaches your muscles. This can lead to:

Earlier fatigue
Reduced endurance
Lower overall performance

2. Endurance and stamina

Efficient breathing helps you sustain activity for longer periods. When your breathing is controlled and effective, your body doesn’t have to work as hard to meet oxygen demands.

This can help delay the feeling of breathlessness during activities such as running, cycling or gym training.

3. Faster recovery

Breathing also plays a key role in recovery. It helps remove carbon dioxide and metabolic by-products that build up during exercise.

Better breathing can support:

Faster recovery between sets
Reduced feelings of breathlessness
Improved overall workout efficiency

4. Breath control during movement

In many types of exercise, how you breathe matters just as much as how you move.

Controlled breathing can:

Help maintain rhythm during endurance activities
Support stability during strength training
Improve focus and coordination

Signs your breathing may need support

For many people, breathing changes happen gradually — so it’s not always obvious when something isn’t working as efficiently as it should.

However, there are some common signs that your breathing may need support, especially if you’re active or exercising regularly.

1. Getting out of breath quickly

If you find yourself becoming short of breath earlier than expected, even during moderate activity, it may indicate that your breathing is not as efficient as it could be.

2. Shallow or chest breathing

Relying mainly on the upper chest rather than the diaphragm can limit how much air you take in. This type of breathing is often less efficient and more tiring during physical activity.

3. Difficulty maintaining endurance

If you struggle to sustain workouts or feel like you “run out of breath” quickly, your breathing patterns or respiratory muscle strength may be playing a role.

4. Feeling fatigued sooner than expected

Inefficient breathing can reduce oxygen delivery to your muscles, which may lead to earlier fatigue during exercise.

5. Slow recovery after activity

If it takes a long time for your breathing to return to normal after exercise, it may be a sign that your respiratory system is working harder than it needs to.

When it may be more than just fitness

While many of these signs can be linked to breathing efficiency or conditioning, they can sometimes point to underlying respiratory issues that may need medical attention.

You may want to consider speaking with a healthcare professional if you experience:

Persistent shortness of breath
Wheezing or tightness in the chest
Frequent coughing during or after activity
Difficulty breathing even at rest
Symptoms that worsen over time

These signs may be associated with conditions such as asthma, reduced lung function or other respiratory concerns.

Tools that can support respiratory training

While breathing exercises alone can make a big difference, using the right tools can help enhance your results and make training more consistent and effective.

These tools are designed to support airflow, breathing strength and oxygen intake — especially useful for active individuals or those looking to improve breathing efficiency.

1. Kan-Breathe

Kan-Breathe™ mucus clearing device - variant of white and blue colour

Kan-Breathe is designed to help train your breathing patterns and improve airflow naturally.

It works by encouraging more controlled breathing, which may help:

Improve breathing efficiency
Support better oxygen intake during activity
Promote more consistent breathing patterns
Assist with overall respiratory conditioning

It’s a simple, easy-to-use tool that can be incorporated into your daily routine or training sessions — especially helpful if you’re looking to build stronger breathing habits over time.

How does it work?

Kan-Breathe works using a PEP (Positive Expiratory Pressure) mechanism — a technique that creates gentle resistance as you breathe out.

When you exhale through the device, it helps:

Keep airways open for longer
Improve airflow through the lungs
Support better mucus clearance (where relevant)
Strengthen breathing muscles over time

This controlled resistance makes your breathing muscles work a little harder — similar to how resistance training works for the rest of your body.

Adjustable resistance with interchangeable ball bearings:

One of the key features of Kan-Breathe is its interchangeable stainless steel ball bearings.

These allow you to adjust the level of resistance depending on your needs:

Lighter resistance (small ball bearing) → easier airflow, suitable for beginners or lower lung capacity
Higher resistance (large ball bearing) → more challenge, helping build stronger breathing muscles

2. Boost Oxygen

Boost Oxygen provides 95% supplemental oxygen in a lightweight, portable can, designed for quick and easy use whenever you need a boost.

It’s commonly used for:

Short recovery breaks during or after exercise
Reducing feelings of breathlessness in demanding situations
Travel or altitude changes, where oxygen levels may feel lower
General situations where you want a quick refresh

When inhaled, it delivers a higher concentration of oxygen than normal air, which may help you feel more refreshed and recovered in the moment.

Supplemental oxygen vs medical oxygen

Supplemental oxygen (like Boost Oxygen):

Available without a prescription
Used for general wellness, recovery or temporary support
Provides short bursts of oxygen when needed
Not intended to treat or manage medical conditions

Medical oxygen:

Prescribed by a healthcare professional
Used to treat conditions such as asthma, COPD or low blood oxygen levels
Delivered through regulated systems (e.g. oxygen concentrators or cylinders)
Requires proper medical supervision and dosing

Simple ways to start improving your breathing

1. Practice diaphragmatic breathing

Focus on breathing deep into your belly instead of your chest. This helps your lungs expand more fully and improves oxygen intake.

2. Slow your breathing down

Try to breathe slower and more controlled, especially during exercise. This helps reduce breathlessness and improves efficiency.

3. Be mindful during workouts

Pay attention to your breathing pattern:

Inhale during easier phases
Exhale during effort (e.g. lifting or pushing)

This helps your body stay more stable and controlled.

4. Improve your posture

Slouching can restrict your lungs. Standing or sitting upright allows your lungs to expand properly and breathe more freely.

5. Build consistency with simple exercises

Even just a few minutes a day of focused breathing can help train your respiratory muscles over time.

6. Use gentle resistance training

Incorporating tools like breathing trainers can help gradually strengthen your breathing muscles, making breathing feel easier during activity.

7. Stay active

Regular movement — walking, light cardio, or structured exercise — naturally supports better lung function and endurance.

8. Reduce exposure to irritants

Try to limit exposure to things like smoke, dust or poor air quality where possible, as these can affect breathing comfort and efficiency.

9. Stay hydrated

Proper hydration helps keep your airways and mucus lining functioning well, supporting smoother breathing.

10. Listen to your body

If something doesn’t feel right — such as ongoing breathlessness or discomfort — it’s important to pause and seek advice if needed.

Train your breathing like any other muscle

Breathing is something we often take for granted — but like any muscle in the body, it can be trained, strengthened and improved over time.

For active people, this can make a real difference. Better breathing supports endurance, performance, recovery and overall comfort during movement. It can help you go further, feel less fatigued, and stay more in control during physical activity.

The key is consistency. Simple habits like controlled breathing, good posture, and regular training can gradually improve how your body uses oxygen. Adding supportive tools where needed can help guide and strengthen this process.

In simple terms, improving your breathing isn’t about doing more — it’s about doing it better, more efficiently, and more intentionally.

And over time, that can have a powerful impact on how you move, perform and feel every day.

Disclaimer: This blog is for general information only and is not a substitute for professional medical advice, diagnosis, or treatment. If you are experiencing symptoms or have concerns about your health, it is important to speak with a qualified healthcare professional. The Aussie Pharma Direct team works hard to provide accurate, up-to-date information and useful content based on reliable sources, reputable health information, and relevant medical research, however, information may change over time and should not be relied on as personal medical advice.

March 20 2026, by Tatianna Gerard Breathe Better, Perform Better: Why Respiratory Training Matters