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.
Supination is a position of either the forearm or foot; in the forearm when the palm faces anteriorly, or faces up while pronation refers to the inward roll of the foot during normal motion and occurs as the outer edge of the heel strikes the ground and the foot rolls inward