The piriformis is a difficult-to-reach muscle that runs from your spine to the thigh bone. When it begins to push against your sciatic nerve, often due to too much sitting, it can cause excruciating pain. A tight or inflamed piriformis is what is known as piriformis syndrome.
Geese will sit on their nest to incubate the eggs, which takes about 28-30 days.=). Source(s): internet; http://www.veganpeace.com/animal_facts/G... K.E.L.S.E.Y. Â· 7 years ago.eese will sit on their nest to incubate the eggs, which takes about 28-30 days. =). Source(s): internet; http://www.veganpeace.com/animal_facts/G... K.E.L.S.E.Y. Â· 7 years ago.
this is called a brood patch different birds sit on their eggs for different lengths of time bigger birds lay bigger eggs which take longer to hatch blue tits incubate their eggs for two weeks but swans sit on theirs for nearly six weeks