Diaphragmatic Breathing
What Is the Diaphragmatic Breathing?
Diaphragmatic Breathing is an isolation exercise that primarily targets the core, training the diaphragm, the dome-shaped muscle under the lungs that does most of the work of each breath, with a gentle assist from the abdominal wall as you breathe out. It is a beginner-level movement done lying on your back with the knees bent and the hands resting on the lower ribs and belly, so you can feel the breath move the abdomen rather than the upper chest.
The goal is a slow, relaxed breathing pattern in which the belly and lower ribs rise as you breathe in and settle as you breathe out, while the neck, shoulders and upper chest stay quiet. Breathing driven mainly by the upper chest tends to be faster and shallower, and it often creeps in during stress. Practicing lying down, with the whole body supported, makes the new pattern easier to feel, and with regular practice it becomes more automatic in sitting, standing and daily life.
In a training session it fits at either end: as a quiet reset before core and mobility work, or as a cool-down that lets breathing and heart rate settle. Physical therapists often teach it alongside core and pelvic floor exercises, because the diaphragm works together with the deep abdominal muscles and the pelvic floor to manage pressure inside the trunk.
It is a common tool for handling stress and anxious moments, and slow breathing like this lowers heart rate and blood pressure for a short time while you do it. It is not a treatment on its own. Any lasting effect on blood pressure is modest at best, so it adds to the medication and lifestyle changes a doctor prescribes rather than replacing them, and the same goes for back pain, where it works as one part of an exercise program, and for anxiety disorders, which need proper care.
It suits almost everyone, including older adults and people coming back from illness, because it needs no equipment and no strength to start. People with COPD or another lung condition are the exception to learning it alone: the technique does not help everyone with lung disease, so they should use the breathing methods their respiratory team teaches.
Muscles Worked
- External Oblique
- Medium
Instructions
- Lie on your back on a mat with your knees bent and your feet flat on the floor, about hip-width apart. Rest your head on the floor or on a thin pillow.
- Rest both hands on your upper abdomen, just below your ribs, with the fingers loosely interlaced and the elbows relaxed on the floor.
- Relax your jaw, neck and shoulders, and take a few normal breaths to settle in.
- Breathe in slowly through your nose for about 3 to 4 seconds, letting your belly and lower ribs rise into your hands while your upper chest stays mostly still.
- Breathe out slowly through gently pursed lips, a little longer than the in-breath, and let your belly sink back down under your hands.
- Toward the end of the out-breath, gently draw your belly in without pushing or straining.
- Keep each breath smooth, quiet and only a little deeper than normal. If you feel lightheaded, return to normal breathing.
- Continue for 5 to 10 minutes, or start with a few minutes and build up.
- When you finish, roll onto your side and push up to sitting before you stand.
Common Mistakes
Breathing into the upper chest
Letting the chest and shoulders rise while the belly stays still keeps the work in the neck and upper chest instead of the diaphragm.
Forcing the belly out
Pushing the stomach out hard instead of letting it rise with the breath adds tension and makes the breath less relaxed.
Breathing too fast or too deeply
Big, rapid breaths can cause lightheadedness or tingling, so keep each breath slow and only a little deeper than normal.
Rushing the out-breath
Letting the air out in a quick sigh loses the calming effect, so let the out-breath be slow and a little longer than the in-breath.
Tensing the neck and jaw
Clenching the jaw or lifting the head to watch the belly pulls the neck muscles into the breath, so keep the head resting and the face relaxed.
Getting up too quickly
Standing straight up after several minutes of slow breathing on the floor can bring on dizziness, especially in older adults.
Injuries
Diaphragmatic Breathing is a low risk exercise when performed with proper technique. The main problem comes from overdoing it: breathing too deeply or too fast can cause lightheadedness, tingling in the fingers or around the mouth, or a feeling of air hunger. If that happens, stop the drill, breathe normally, and try again later with smaller, slower breaths and a shorter session.
Lying flat is not comfortable for everyone. A pillow under the head or knees helps, and anyone who cannot lie on the floor can practice semi-reclined on a bed or sitting back in a chair. After several minutes of slow breathing on the floor, roll onto your side and push up to sitting before you stand, since getting up quickly can bring on dizziness, especially in older adults.
Once the pattern feels natural lying down, progress to sitting and then standing, try resting a light book on the belly to feel it rise and fall, or keep the same breathing during gentle core work such as Pelvic Tilt and later Dead Bug. People with COPD, asthma or another lung condition should learn the technique from their respiratory team rather than on their own.
Stop and seek medical advice if you feel chest pain, if breathlessness or dizziness does not settle within a few minutes of normal breathing, or if the practice consistently makes breathing feel harder rather than easier.
- Primary Focus
- Core
- Equipment
- Body weight
- Modality
- Stretching
- Difficulty
- Beginner
Alternative Exercises
Other Names for the Diaphragmatic Breathing
The Diaphragmatic Breathing is also known as:
- Belly Breathing
- Abdominal Breathing
Frequently Asked Questions
- Q: How often should I practice diaphragmatic breathing?
A common starting point is 5 to 10 minutes, three or four times a day, but a few minutes once a day is a fine place to begin. Short, regular practice matters more than long sessions, and the pattern gets easier and more automatic over time.
- Q: Can I do it sitting instead of lying down?
Yes. Lying on your back with the knees bent is the easiest position to learn in, but once the pattern feels natural, practice it sitting in a chair and then standing so you can use it in daily life.
- Q: Does diaphragmatic breathing help with COPD?
Not for everyone. In a small study of people with severe COPD, three weeks of diaphragmatic breathing practice made breathing less mechanically efficient, and breathlessness tended to rise. If you have COPD, use the breathing techniques your respiratory team teaches, which often start with pursed-lip breathing.
- Q: Can diaphragmatic breathing lower blood pressure?
Slow breathing lowers blood pressure and heart rate for a short time while you practice, and regular practice may add a small, lasting drop. It is an add-on, not a replacement for blood pressure medication or the lifestyle changes your doctor recommends, so keep taking prescribed medication as directed.
- Q: Does it help with anxiety?
Many people use it to settle during stressful or anxious moments, and slowing the breath is a standard part of relaxation training. It is a coping tool rather than a treatment for an anxiety disorder, which needs professional care. If focusing on your breath makes you feel more anxious, keep your eyes open, breathe at a natural pace and shorten the session.
- Q: Will diaphragmatic breathing fix my back pain?
Not on its own. Physical therapists sometimes add it to core and general exercise programs for back pain, where it can help you relax and coordinate the trunk muscles, but it works as one part of a program rather than as a treatment by itself.