Although walking is considered a simple straightforward activity, it is actually a complex series of co-ordinated movements involving muscles and joints of the upper and lower body. The manner or style in which a person walks or runs is known as their gait. A gait cycle consists of 2 steps, 1 with the right foot and 1 with the left foot i.e. from right foot initial contact through right limb stance phase and swing phase and ends at right foot initial contact.