Editing Joint (section)

==History==

===Etymology===
The English word ''joint'' is a past participle of the verb ''join'', and can be read as ''joined''.<ref name="Klein1971">Klein, E. (1971). A comprehensive etymological dictionary of the English language. Dealing with the origin of words and their sense development thus illustration the history of civilization and culture. Amsterdam: Elsevier Science B.V.</ref> Joint is derived from Latin ''iunctus'',<ref name="Klein1971"/> past participle of the Latin verb ''iungere'', join, unite, connect, attach.<ref name="Lewis & Short">Lewis, C.T. & Short, C. (1879). ''A Latin dictionary founded on Andrews' edition of Freund's Latin dictionary.'' Oxford: Clarendon Press.</ref>

The English term ''articulation'' is derived from Latin ''articulatio''.<ref name="Klein1971"/>

Humans have also developed lighter, more fragile joint bones over time due to the decrease in physical activity compared to thousands of years ago.<ref name="Thompson2014">Thompson, Helen. "[http://www.smithsonianmag.com/science-nature/switching-farming-made-human-joint-bones-lighter-180953711/ Switching to Farming Made Human Joint Bones Lighter]". ''Smithsonian Magazine''. Smithsonian, 22 December 2014. Retrieved 28 November 2016.</ref>