People often talk about how many bones there are in your feet: 26 bones in each foot, 25% of your bodyâs bones are found in your feet, etc., etc. But your foot isnât just a bag of bonesâthere are muscles in those feet, and they can get injured, too. For example, thereâs your abductor hallucis muscle.he abductor hallucis muscle! This nifty little muscle starts at your calcaneous, or heel bone, runs along the arch, and then slides into the side of your big toe. It helps you move and flex your big toe, and holds up the arch of your foot.
Datum definition, a single piece of information, as a fact, statistic, or code; an item of data. See more.
First, what it is not. It is not a singular form of the word data which some of you may have heard. Data is a collective noun and the plural of datum is datums when used in a geophysical sense. For GPS, navigation, and geophysical use a datum represents a reference point from which you can measure things.