Breathing: what should happen?

Pregnancy can have a huge impact on our breathing patterns due to the growing baby and this can have a potential impact on our core muscles.

When you breathe in, your diaphragm contracts and moves downward to increase the space for your lungs to expand and fill with air. And this downward pressure should mean that your abdominal muscles and pelvic floor lower and stretch to accommodate the movement (so a relaxing of the pelvic floor and a slight expansion of the stomach).

When you breathe out, the diaphragm relaxes and moves back upwards to help force air out of the lungs, which allows the pelvic floor and abdominal muscles to contract and snap back into place to support the spine and pelvis and the stomach will go down/in slightly.

This synchronized up and down of your core when breathing is often referred to as “Piston breathing” – a phrase coined by Julie Wiebe, an internationally renowned physiotherapist.

If your breathing pattern doesn’t match this (and is what is often characterised by belly, boob or shoulder breathing, rather than rib movement) then your core muscles (so your abdominals, lower back and pelvic floor) are not working optimally. This means that they will be lacking stability and the ability to deal with pressure, movement and load as well as they should. This can impact on problems such as lower back pain, pelvic pain, incontinence, prolapse, etc. which tend to be caused by birth trauma or postural changes.




So whilst practicing your breathing might sound “a bit noddy”, it’s actually integral to your recovery post birth AND to achieving more from your workouts. It can also have a huge impact on the functionality and look of any “mummy tummy” (see diastasis recti page).

Some things to potentially help:

The basics of the Core Breath are:

  • Inhale to expand – If you place one hand on your belly and one on your ribs as you inhale you should feel both gently expand/rise


    have both hands on your ribs and feel them move east and west away from one another as you inhale and your rib cage expands (you should feel the pelvic floor soften too, without bearing down)

  • Exhale to contract, and lift the whole of your pelvic floor (see below for some help with visualisations) – as you exhale your fingers, which moved east to west, should come back together, and your belly and your chest will deflate. This should take about 5-8 seconds

    Core breathing activates all of the parts of the core so you should feel it in your pelvic floor, deep abdominal muscles and in your lower back.

    Sometimes this breathing can feel a bit alien (particularly when you’re trying to coordinate your pelvic floor at the same time) so you may find a visualisation helps:

    • Contract the pelvic floor by drawing the front of your pelvis (your pubis), to your tailbone (your coccyx) and pulling your two sitting bones together (so the left and right sides) – imagine your pelvic floor is like a drawstring bag with 4 points. Lift the entire pelvic floor up when you exhale and relax it back down again when you inhale
    • Imagine the doors closing on an elevator (squeeze) and then (lift) to the top floor, then relax to bring the lift back down and open the doors again
    • Imagine gently blowing out the candles on a birthday cake (on the exhale)
    • Put a Pilates ball or cushion between your knees (as the muscles in your inner thighs “talk” to your pelvic floor) and as you exhale squeeze and lift the pelvic floor (this can be helpful if you’re finding it hard to connect).
  • What you want to avoid:
    • On the inhale: (1) belly billowing out; (2) chest and shoulder lifting towards the chin; and (3) ribcage flaring out (your back may arch when you do this)
    • On the exhale: (1) Bearing down as this means that the pelvic floor is moving down as opposed to lifting; and (2) belly moving out opposed to pulling in

[Credit to Burrell Education for the image]



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