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Diaphragmatic (Belly) Breathing for Beginners

11 min read Updated July 5, 2026

A person lying on a mat, one hand on chest and one on belly

Diaphragmatic Breathing for Beginners: Breath Awareness and the Gentle Start

Take a breath. How'd that feel? If you are like most of us, not particularly remarkable. Your breath, though it is the thing keeping you alive from minute to minute, is one of the least noticed parts of your day. And that's understandable: For many of us, the breath is one of those "background" functions you aren't supposed to think about. You just do it, you don't really feel it, and you do something else.

Before you begin: If you are pregnant, have a respiratory condition (such as COPD or asthma), a cardiovascular condition, or any other health concern, speak with your doctor or a qualified healthcare provider before starting a structured breathing practice. This article is for general information and education only, and is not a substitute for medical advice.

The First Step Toward Diaphragmatic Breathing: Just Notice

But your breath is running under everything you do, all day long. Get a handle on it, and you get a handle on your body and your mind. As a first rung, let's start by just noticing the breath. To get you started, the first step is a gentle bit of awareness. You do not need to change anything about the way you breathe, just notice it. What does the air feel like at your nostrils, and where do you feel your belly move as you inhale? Are you feeling gentle pressure on your ribs? If you are breathing as a baby does (with the diaphragm), your belly will round, your ribs may widen a little, and your chest and shoulders will stay quiet. This pattern is a sign that your diaphragm is doing its job, and your breath is taking a quiet, efficient, and comfortable route into your lungs.

What we are going for here is the big picture of your own breathing, and that picture is getting a feel for the natural breath. Sit or lie comfortably and let everything move on its own, changing nothing. It does not matter much which one you pick, sitting or lying down, and you do not need to arrange your body in any special way for this. Then bring your attention to where you feel the breath moving, the cool air at your nostrils, the rise and fall of the belly, the ribs widening slightly as you inhale, and the ribs softening as you exhale. Choose one touch point, and follow one full inhale, one full exhale, and the small pause that happens at the end of the exhale. When your mind wanders, note it kindly and return. Do this for two to five minutes.

This is the first step. It's the noticing you do, and the noticing can and should happen as often as possible throughout the day. Notice what the breath is doing when you are sitting, standing, lying down, moving. Notice the breath when you are happy, sad, angry, surprised. Notice the breath when you are at rest, when you are active, and when you are somewhere between the two. This is not about finding a perfect pattern, it's about noticing the basic breath. You may notice that your breath is changing based on many factors. You may find that your breath is more shallow and faster than you assumed, and that's okay. This is not a test, it's not a pass/fail thing. The noticing is the practice, and the noticing is enough.

Let the Belly Lead

The next step after you have noticed the breath is to move into the belly breath itself. The diaphragm is the primary breathing muscle, and this is the kind of breathing a baby does. The diaphragm is a large muscle that sits under your lungs and moves up and down as you breathe.¹ On the inhale, it moves down and away from the chest as you draw air into your lungs, expanding your belly as you do. On the exhale, it moves back up and toward the chest as you release air from your lungs, and your belly softens. This kind of breathing is sometimes called "belly breathing," because the belly is the most noticeable part of your breathing pattern.

The belly should round and rise and fall gently as you breathe, the abdomen easing forward and then settling back again on its own. As you do this, you may notice that your chest, shoulders, and neck muscles are relaxed. The ribs may also widen a little during this kind of breathing, and that is fine, so long as the belly is leading and the chest is staying quiet. If you need to move your chest, shoulders, and neck to get air into your lungs, you are not breathing with the diaphragm. It is worth knowing just how much of your lung capacity this matters for: resting breaths use only a small fraction of total lung capacity (roughly 0.5 L of the ~6 L maximum possible³), and shallow chest breathing tends to draw air preferentially into the upper lungs, where blood flow is lower - leaving the better-perfused lower regions underventilated.

This belly breath is what you do in deep sleep, and it is the quiet, efficient default your body already knows. And it has been put into controlled trials, where the people who practiced it were paying attention better and reporting less stress, with the stress hormone cortisol coming down along with it.² A large systematic review (73 RCTs, 5,479 participants, mostly COPD or asthma) found breathing exercises produced a modest reduction in breathlessness (mean difference −0.40 on the mMRC scale) that did not reach the threshold for clinical importance, so the clinical significance is uncertain; no adverse events related to the techniques were reported.⁶⁶ That is a serious return for a muscle you never think about. The diaphragm does this work all day whether you watch it or not, quietly and efficiently. All you are doing in this practice is getting out of its way.

The Physical Reason It Calms You Down

There is a direct physical reason this kind of breathing settles the mind. The diaphragm sits close to the vagus nerve - the primary nerve of your parasympathetic ("rest and digest") nervous system. Slow, rhythmic diaphragmatic movement is thought to stimulate vagal activity, which may help shift the body toward a calmer, parasympathetic state.² This pathway is supported by physiological research, though the size of the effect varies between individuals and contexts. That is also why slowing the exhale in particular has such an immediate settling effect: when you extend your exhale, you are actively working with this pathway so your nervous system responds in a real and measurable way. More on that in the next chapter, Calm on Demand.

How to Practice It

Now that you know what the belly breath looks like, you can start to practice it. Start lying on your back - gravity makes it easier to feel the belly rise and helps your chest muscles relax, so the whole pattern becomes much clearer. Once it feels natural, you can move to sitting or standing.

Practice by resting one hand on your belly and the other on your chest. As you breathe in through your nose with your mouth closed, your belly should rise as your diaphragm moves down. Your chest should not move much, if at all, though your ribs may widen a little as the breath fills. As you breathe out, let the air release slowly - you can exhale through your nose, or try exhaling through your mouth with lips slightly pursed, as if breathing through a straw, which some people find helps slow and smooth the exhale. Your belly should fall as your diaphragm moves up. Do not force the belly down; let the natural elastic recoil of your lungs release the air. The belly should round on the inhale because the diaphragm has invited it to, not because you are forcing it.

For pacing, try inhaling for a count of four and exhaling for four to six counts. Inhaling at a rate of 6-10 breaths per minute increases tidal volume while maintaining optimal minute ventilation⁴ - that is the sweet spot you are aiming for. If you feel dizzy or tingly, you are breathing too fast, not too shallow; slow the pace rather than deepening the breath further.

Keep this breath smooth and unforced for three to five minutes. If you have been a chest breather, this may feel awkward or like you cannot get enough air at first. This is okay and will usually ease within a few sessions. If you are having trouble feeling the breath in your belly, try lying down with your knees bent. And do it daily if you can: start with five to ten minutes, three to four times per day while you are learning the technique;⁵ as it becomes second nature, five to ten minutes once or twice a day is a sustainable long-term rhythm.⁷ The few minutes you actually do are worth more than the long session you keep planning, because consistency matters more than duration. You should never be straining at this, either. If you ever feel dizzy, lightheaded, breathless, or anxious, stop and let the breath return to its own way.

The two-hand check: the belly hand should rise and fall with each breath while the chest hand stays quiet.

Three Common Mistakes to Avoid

Using it only in a crisis. The clinical benefits come from consistent practice over weeks - not from reaching for the technique only when anxiety peaks. Think of it as training a muscle, because that is exactly what it is.
Forcing the exhale. The exhale should be passive - let the natural elastic recoil of your lungs release the air. Squeezing your abdominals creates tension and makes the next inhale harder.
Breathing too fast. Deep breathing is not the same as fast breathing. If you feel lightheaded or tingly, slow your pace - do not deepen the breath further.

What the Research Shows

This is not just a wellness trend. Diaphragmatic breathing has been studied seriously across a wide range of populations, and the findings are meaningful.

For lung health: The 73-RCT systematic review (5,479 participants) cited above found a small, clinically uncertain reduction in breathlessness (below the minimal important difference on the mMRC scale) in people with COPD and asthma, with no adverse events.⁶ A separate review found that four weeks of supervised diaphragmatic breathing training improved six-minute walk distance in people with COPD.⁸ A 2009 systematic review found that diaphragmatic breathing training led to short- and long-term improvements in health-related quality of life for people with asthma.⁴

For blood pressure: In 2013, the American Heart Association issued a scientific statement that device-guided breathing is reasonable in clinical practice to reduce blood pressure.⁴ A more recent study found significant clinical improvement in blood pressure with only 9 minutes of contemplative belly breathing per day.⁷

For immune support: A 2018 study showed that practicing deep breaths increased the production of lymphocytes - key immune cells your body relies on to stay well.⁷

If you have any existing health condition - respiratory, cardiovascular, or otherwise - speak with your doctor or a qualified healthcare provider before beginning a structured breathing program.

Pairing It With Your Yoga Practice

Diaphragmatic breathing is the foundation of pranayama. Connecting it to yoga poses deepens both the physical and the calming benefits. Try it in:

Child's Pose (Balasana) - the floor pressing gently against your belly gives you clear biofeedback for the belly-rise, making it a very good starting point for learning how the breath should feel.
Supine Bound Angle Pose (Supta Baddha Konasana) - a fully supported, open position that makes diaphragmatic movement easy to feel; because your body is so well supported, you can focus entirely on your breath.
Legs Up the Wall (Viparita Karani) - this pose inverts the usual relationship of gravity and the breath and encourages a long, slow exhale that helps your whole body relax.

For more on how slow breathing changes the way you feel day to day, that piece goes deeper into the mood and nervous-system side of what you are building here.

The Three-Part Breath, When You Are Ready

If you have mastered the belly breath and are ready to take your breath work to the next level, you may want to take it into the three-part breath, or dirga. The dirga, pronounced DEER-gah, means "long." Start with a few rounds of the belly breath, then on the inhale, let the belly fill, then the ribs widen, then the upper chest lift slightly (three stages in one continuous breath). Exhale in reverse. This is commonly referred to as the three-part breath. If filling the upper chest is making your shoulders tense, or leaving you short of breath, you shrink that top stage and you keep the breath lower until it feels roomy. You can do this for three to five minutes, daily.

And that is where this chapter leaves you. You noticed the breath, you let the belly take the lead, and maybe you stretched it into three parts. It is not flashy work, but it is the foundation all the advanced breath work in this series stands on.

References

This article is for general information and education only, and is not medical advice.

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