Evaluation of the standing stability is very important as it helps to decrease the risk of falls and it improves quality of life. There are various methods which can be used to determine stability functionality and physiologically. The main question posted here is which method is too sensitive to represent the problems associated with standing stability and to predict the risk of falls. In this book it has been tried to define various methods which can be used to evaluate stability. This book focuses on various kinds of stability and their evaluation methods in 6 chapters, including: 1) Balance, posture and standing stability 2) Fall 3) Methods used to evaluate stability 4) Stability analysis based on force plate 5) Selection of stability parameter 6) Stability analysis procedure