Image Credit: AMC. Just as a carbonated beverage is referred to as soda in some areas of the U.S. and pop in others, the scattered and isolated survivors of The Walking Dead zombie apocalypse have different names for wandering corpses.
Underpronation. Underpronation is a term often used by runners, joggers and sports enthusiasts to describe the gait cycle when there is a lack of pronation. Pronation is the natural rolling motion of the foot as it moves from the heel to the toe, and it is important for shock absorption and proper weight distribution.nderpronation can be caused by structural abnormalities in the feet or when previous injuries to the feet have damaged the tendons and muscles, or when there is muscle imbalance or a particularly tight Achilles tendon.
1 pronation of the foot, also called foot pronation or simply pronation (when it is obvious that you are talking about the foot and ankle, e.g. when considering running techniques or footwear) is one of the normal movements made by the foot to absorb its impact onto the ground when walking or running.