1. A method for analyzing the gait of an individual wearing a left shoe and a right shoe, the method including the steps of: (a) acquiring data from a first array comprising a plurality of shear sensors configured for placement in a left shoe and from a second array comprising a plurality of shear sensors configured for placement in a right shoe, the acquired data being separated into at least two separate gait phases for each array; (b) comparing at least a portion of the acquired data to a baseline condition for each gait phase; and (c) categorizing the sensors in each array, or a group of sensors in each array, into one of at least two uniformity categories for each gait phase based on the comparison of the acquired data to the baseline condition.