1997
Van Phillips
You flex you foot by "picking up" your toes.
yes the flex foot is still used and if you look at this answer there is a 50% chance it is wrong
eating
Flex your foot
yes
1997
an inflamation of the entire joint
They took a picture of their foot, put it into a computer, the computer did all the work. Lazy Bastards
a king invented it :)
The bottom of the foot is called the plantar surface. Plantar flexing is contracting the muscles of the foot so that the toes move down and the arch increases.