RELATIONSHIP BETWEEN 3 STATIC ANGLES OF THE REARFOOT AND THE PATTERN OF REARFOOT MOTION DURING WALKING

The purpose of this study was to determine the relationship oi the sta tic angle oi the rearfoot during single leg standing relaxed standing foot posture, and subtalar joint neutral position with the pattern of rearfoot motion during walking. The authors felt that this study was i mportant to gain a better understanding of the relationship between dy namic rearfoot motion and three static rearfoot angles which are often included in loot examination procedures. The pattern oi rearfoot moti on was assessed using two-dimensional video recordings for each lower extremity of 31 healthy young adult subjects with a mean age of 25.2 y ears. The mean path of rearfoot motion during walking crossed relaxed standing foot posture but did not cross single leg standing or subtala r neutral position. These findings suggest that the mean path oi rearf oot motion during the first 60% of the walking cycle occurs between th e static angles I relaxed standing foot posture and single leg standin g. In addition, the static angle of the rearfoot in single leg standin g may serve as a clinical indicator oi the degree of maximum rearfoot eversion occurring during the walking cycle.