Simply change the volume in your chest cavity


This is a series about breathing, the first part is Troublesome Breathers

Try this out, but first please read Troublesome Breathers.

Intertwine your fingers of your hands, knuckles pointing up. Now imaging your knuckles are your diaphragm and your arms are your ribs.

I’m going to ask you to move your hands up and down, if you can keep your shoulders quiet so they don’t move too much.

Hopefully you are sat down, if not please sit down.

Now lift your hands up, if your shoulders are still your elbows should come close to your body. Do this activity a few times and notice what your elbows are doing.

Hopefully you have done this a few times and may be discovered something, if you want add a comment of what you have noticed.

Now for more imagination; your fist is your diaphragm, your arms are your ribs and your shoulders are the joint where your ribs attach to your spine. Hopefully that makes sense.

Now raise your fist, what happens to your arms? For me my arms rotate about my shoulders and are drawn into the side of my chest.

Now lower your fist, what happens to your arms? For me my arms rotate about my shoulders and my arms move away from the side of my chest.

This is what happens to your ribs when your diaphragm rises and lowers.

Air is exhausted from your lungs by two major activities, your diaphragm rising and your ribs rotating downward that reduces the volume of your chest cavity.

Air is inhaled in to your lungs by two major activities, your diaphragm descending and your ribs rating upward that increase the volume of your chest cavity.

Now for a warning – please be seated the first time you experiment with this activity and stop if you get dizzy.

Revisit the activity of moving your fist up and down in front of your chest, notice your arms moving in and out to the side. Do it a few times.

Move your fist to the lowest point in the activity above, now this time imagine your fist your diaphragm. Breath out, as you are breathing out raise your fist, stop when you want to, don’t do any forcing. Now on your in breath allow your fist to lower as your diaphagm descends.

Repeat a few times.

Stop if you feel light headed or dizzy.

Repeat again but this time synchronise your diaphragm with your fist and your ribs with your arms. As your diaphragm rises your fist rises and your ribs descend as do your arms, reducing the volume in your chest cavity.

As your diaphragm descends with your fist your ribs rotate up and away as do your arms, increasing the volume in your chest cavity.

That is how we breathe, we simply change the volume in the chest cavity, on the in breath a partial vacuum is created as the chest cavity volume is increased, air is drawn in to balance the chest pressure with atmospheric pressure. On the out breath the air in the chest cavity is displaced as the diaphragm and ribs reduce the chest cavity volume.

You may have notice a change in your breathing, when I practice this I have a change in the quality a my breath, it’s hard to describe apart from it feels cleaner and I feel more buoyant.

Here’s another warning, take care, wait a moment, you may feel light headed so remain seated until you feel safe to move.

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