THE DIAPHRAGM: the great mover, soother and stabiliser

It's not just about breathing, and at the same time breathing is everything.

We all have a pretty good idea where our (thoracic) diaphragm is and its role in the shape and pressure changes in the body that underlie our breathing, so let’s think about it in other ways.

1. ONE MUSCLE OR THREE?

If we chart the embryological origins of the diaphragm, we might see the primitive muscle cells journeying in three directions. There is a fl…