Hammer toe position, such as excessively high heels or shoes that are too short or narrow for the foot. Having the toes bent for long periods of time can cause the muscles in them to shorten, resulting in the hammer toe deformity. This is often found in conjunction with bunions or other foot problems (e.g., a bunion can force the big toe to turn inward and push the other toes). It can also be caused by muscle, nerve, or joint damage resulting from conditions such as osteoarthritis, rheumatoid arthritis, stroke, Charcot–Marie–Tooth disease, complex regional pain syndrome or diabetes. Hammer toe can also
Names for the human species "Homo", e.g. "Homo paniscus", "Homo sylvestris", or "Homo arboreus". An alternative philosophy suggests that the term "Homo sapiens" is the misnomer and that humans should be reclassified as "Pan sapiens". In either case, a name change of the genus would have implications on the taxonomy of extinct species closely related to humans, including "Australopithecus". A taxonomic name given to the species of the last common ancestors of humans and chimpanzees is "Pan prior". The following names mimick binomial nomenclature, mostly consisting of "Homo" followed by a Latin adjective characterizing human nature. Most of them were coined since the mid 20th