All guidesFoundation technique

Diaphragmatic breathing

A complete guide to breathing with your diaphragm, practising without strain and understanding which benefits clinical sources support.

Rhythm: Natural, no holds
Practice: 5–10 minutes
Best for: Breath control and relaxation
Evidence: Clinical use and general slow-breathing evidence

Foundations

What is diaphragmatic breathing?

The diaphragm is the main muscle of breathing. “Belly breathing” does not send air into the stomach: the abdomen rises because the contracting diaphragm gently moves its contents.

The method is used in pulmonary rehabilitation and as a relaxation exercise. The aim is not to take the largest breath possible, but to breathe comfortably and reduce unnecessary work in the neck and shoulders.

Instructions

How to do it step by step

1
Sit supported or lie down with bent knees. Relax your shoulders, neck and jaw.
2
Place one hand on your chest and one just below your ribs.
3
Inhale slowly through your nose. Let the lower hand rise while the upper hand moves much less.
4
Exhale gently through lightly pursed lips and feel your abdomen fall.
5
Continue without forced pauses for 5 minutes, gradually building to 10 if comfortable.

Without hype

Possible benefits and what the evidence says

Breathing control

Helps you notice and reduce rapid upper-chest breathing. It is taught in pulmonary care for conditions such as asthma and COPD.

Less effort

Relaxing the neck and shoulders while encouraging diaphragmatic movement may make breathing feel more efficient.

Relaxation

Slow deep breathing is one way to elicit a relaxation response, but it is not a replacement for medical or mental-health treatment.

Make it a habit

How to use it sensibly

While learning

Practise while breathing normally. Lying down often makes abdominal movement easier to feel.

Daily use

Set aside five minutes at a regular time and keep every breath comfortable.

With lung disease

Ask a respiratory therapist to check and adapt the technique, and continue prescribed treatment.

Common mistakes

Lifting the shoulders with every inhale.
Taking a breath so large that it creates tension.
Rigidly pushing the abdomen outward.
Breathing quickly or continuing through dizziness.

Before you begin

Precautions and when to stop

Stop and breathe normally if you feel dizzy, tingly or more breathless.
Seek urgent help for severe or sudden breathlessness, chest pain, confusion or blue lips.
This exercise does not replace inhalers, oxygen or prescribed treatment.

Common questions

Frequently asked questions

Should I push my belly out?

No. Let it move naturally; the hand is feedback, not a target.

Sitting or lying down?

Lying down is often easier for learning; sitting transfers the skill to daily life.

Will it increase lung capacity?

That should not be promised for healthy people. It may improve control and perceived efficiency; clinical results vary.

Verifiable content

Sources and review

Sources checked on 19 August 2026. Links lead to the original source; Respira summarises the material in original wording.

Breathing Exercises for Better Lung HealthAmerican Lung Association
Clinical instructions for belly and pursed-lip breathing.
5 Things To Know About Relaxation Techniques for StressNCCIH, National Institutes of Health
Scope, safety and limitations of relaxation techniques.
The physiological effects of slow breathing in the healthy humanBreathe / European Respiratory Society (2017)
Review of cardiorespiratory mechanisms of slow breathing.