Hello, and thanks for the question
The fibula and tibia are the pair of bones in your lower leg. Many
people get them confused, ( and some people have used the term tibula
to describe lower leg bones in general, while other people use fibia
when they should use fibula.)
This comes from course notes from a medical course.
"Spelling counts! We won't be horrendously picky, and if it's not too
far off there will usually be at least partial credit. In cases where
you put something like "tibula", though, where we can't tell if you
mean "fibula" or "tibia", it would have to be counted wrong. Be
familiar with the correct spellings."
And from another:
"Some names, like the fibula and tibia are so similar that
many students refer to these bones as the fibia or tibula! "
( ext.sac.edu/faculty_staff/mansfield_patricia/ 5appendskel.html )
Tibia is the correct term, and the one used in anatomy reference
books, but so many people over the years have called it the tibula
that it has "stuck", and has passed into common usage in
For example, here's one from a site I read myself
"Painful swelling of the damaged muscles and tendons
along the front of the lower leg between the two bones (fibia and
tibula). ... "
( www.scottishsport.co.uk/running/injury.htm )
Hope that is what you were after, but please ask if you need any
Google searches used
anatomy fibula tibia
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