They were instructed to sit on the front part of the chair, bend one leg, and stretch the other leg, and stretch their hands as close as possible to their toes while bending at the waist. With the tips of the toes as the measurement point, when the finger tips crossed over the tips of the toes, the distance was recorded as a positive value, and when the finger tips did not cross over the tips of the toes, it was recorded as a negative value. Static balance ability was measured by instructing the subjects to close their eyes and stand on one leg