What happens to your intervertebral discs when you sit? 16 Sep 2019
Sitting in office chairs for long periods of time not only affects your muscles but impacts the disks in your spine. In humans over 5 years of age, there is no direct blood supply to the jelly like nucleus of the intervertebral discs. The intervertebral discs therefore rely upon fluid inflow and outflow for their nutrition: when you lie down, the pressure comes off the discs and they expand, absorbing water and nutrients as they do so (rather like a sponge expanding and sopping up a spill on the floor). Unloaded Disc Filling with nutrient rich liquid
