The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
so the diaphragm three three main functions respiration but there's also obviously this a huge postural function where it descends even more and creates an intranal pressure so that when that pressure is created that diet the pelvic floor will eccentrically load meaning it's active but musculature is active but stretches you can think of it like wind blowing into a sail where the wind blows into the sail it it opens and activates and then it holds and maintains the pressure
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so one of the primary functions is respiration so i go to take a breath in that diaphragm activates descends the central tendon drops the lungs expand that change in pressure you're able to draw air into the lungs and then there's a recoil of the diaphragm and the air comes out so there's a primary respiratory function during the first weeks of development or ontogenesis which is the study of motor development after birth there's primary respite it's primary respiratory function the central nervous system has not matured to the point to create the synergy with within the other deep stabilizing group of musculatures musculature to create that fixed point through the trunk and the pelvis so by by around three months period of time that central nervous system has matured to the point where now the hard wired genetic ingrain motor programs start to manifest themselves so we start to see this coordinated activity of that deep group of musculature so what are the other what are the what so we've now i mean for me and i think for many people a very helpful image is that of a cylinder and as the strongest possible cylinder right would have a big top a big bottom and a beautifully symmetric you know uh side compartment to it right a lousy cylinder would have a tiny little bottom a big top and a dented middle so if the diaphragm formulates the top of that cylinder what makes up the bottom of that cylinder so the bottom of the cylinder we're looking at the pelvic floor which is an area of musculature basically where we the babies come out and that musculature will coordinate the regulation or management of intra-abdominal pressure that is created with the descending of the diaphragm so the diaphragm three three main functions respiration but there's also obviously this a huge postural function where it descends even more and creates an intranal pressure so that uh when that pressure is created that diet the pelvic floor will eccentrically load meaning it's active but musculature is active but stretches you can think of it like wind blowing into a sail where the wind blows into the sail it opens and activates and then it holds and maintains the pressure but then at the same time we have the entire abdominal wall which consists of the the rectus muscles our six-pack muscles our oblique musculature which is musculature that uh crosses the body comes up and has attachments onto the thoracic cage of the rib cage and then a big one called transverse abdominis which wraps around from the the back the thoracolumbar fascia around to the front so as that diaphragm descends to to facilitate a stabilizing function that