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 and flattens out.
Foot rolls inward or outward.
This puts a strain on the ankle and can cause the ankle to roll outward which leads to injury.
To see if a person pronates his ankle another person can stand behind him while he is barefoot and look at the ankle and leg.
This causes your foot to receive extra strain and can result in many injuries if not treated or corrected properly.
Excessive supination is less common than.
A moderate amount of pronation is required for the foot to function properly however damage and injury can occur during excessive or over pronation.
Both conditions usually are caused by heredity or a congenital defect.
Ankle pronation is characterized as the inward roll of the foot while supination is the outward roll.
Supination also called underpronation occurs when there is an insufficient inward roll of your foot after the outside of your heel hits the ground.
Those who supinate do not roll their foot inward enough.
Fa renlis 2011 january 26.