48 individuals of both sexes and aged between 10 and 85 years were chosen. These individuals were divided according to age, into four groups (each group containing 12 individuals, 6 men and 6 women): Group I (G1): 10 - 18, Group II (G2): 20 - 35; Group III (G3): 45 - 60, Group IV (G4): 65 - 85.
The instruments used for assessment of the balance were: (1) Berg Scale - consists of 14 items with common activities of daily life, with progressive degree of difficulty (2) Assessment of Gait and Balance for Performance Oriented (POMA), consists of a protocol that evaluates the static and dynamic balance, with operations similar to the activities of daily living, (3) Test Support Unipodal; (4) adapted Functional Reach Test, which assesses the stability in the standing position, (5) Test and Romberg Romberg's test Romberg-Barré or sensitized conducted in stable and unstable soil, and all positions were first with open eyes and then with closed eyes. The duration of each exposure was 30 seconds, with different positioning of the feet.