By Maya Kusuma, Nutrition and Recovery Editor · Published · Updated
Breathing sits at the border of automatic and voluntary control. This page explains how simple breathing exercises are described in the literature, what they can and cannot be expected to do, and how to practise them with care.
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Breathing exercises are general wellbeing practices and are not a medical therapy. People with asthma, heart or lung conditions, high or low blood pressure, epilepsy or a history of panic episodes, and anyone who is pregnant, should speak with a qualified clinician before trying techniques that change breathing rate or involve breath holds. Stop immediately if lightheadedness, tingling or distress appears, and never practise in water or while driving.
Slow breathing, often around five to six breaths per minute, has been studied for its association with heart rate variability and subjective calm. Trials are generally small and short, so conclusions remain cautious, and effects differ between participants.
Many adults breathe mainly into the upper chest, especially under stress or after long periods seated. Learning to let the lower ribs and abdomen move on inhalation is described as a more relaxed pattern that may feel more efficient during easy exercise.
Breathing through the nose filters and warms incoming air and often slows the rate of breathing. Some athletes use it during easy sessions as a pacing cue, while switching to mouth breathing as intensity rises.
The exercise below is an example of a low-intensity routine. It involves no breath holds or forced breathing, and it can be done in a chair.
Sit with feet on the floor, spine tall without stiffness and shoulders loose. Rest the hands on the thighs or lap.
Notice the natural breath without changing it. Observation alone helps identify whether breathing is quick, shallow or uneven.
Inhale quietly through the nose for about four seconds and exhale softly for about six. Keep the effort small; the breath should never feel strained.
Allow the rhythm to settle. If attention drifts, return gently to the sensation of air at the nostrils or the movement of the ribs.
Release the pattern and sit for another minute. Note any change in alertness, then continue the day at an ordinary pace.
| Technique | Pattern | Cautions |
|---|---|---|
| Diaphragmatic breathing | Slow breaths with lower-rib and abdominal movement | Few; avoid forcing the belly outward |
| Extended exhale | Exhale longer than the inhale, for example 4 and 6 seconds | Stop if breathless or dizzy |
| Box breathing | Equal inhale, pause, exhale, pause | Pauses should be brief and comfortable |
| Rapid or breath-hold methods | Forceful cycles followed by holds | Not suitable for unsupervised beginners; clinical advice recommended |
Many readers use breathing practice at three points in the day: on waking, before a session to settle attention and after a session to wind down. These are habits rather than treatments, and their value is largely personal.
During exercise itself, breathing follows effort. Trying to control it rigidly can be distracting, so most coaches advise attention to relaxation of the jaw and shoulders, and to comfortable rhythm at easy intensities.
Further definitions are available in the full glossary.