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Gait is cyclical as steps are alternately taken by the right and left feet to propel the body forward. In normal gait, the cycle is symmetric. Each step taken by the left foot covers the same distance and takes the same amount of time as each step taken by the right foot (with minor variations). Specific terminology is used to qualify and quantify both normal and abnormal gait. These terms are defined below with details as to their attributes in normal gait. Familiarity with this terminology enables precise description of abnormal gait, facilitating communication between professionals who may be involved in the diagnosis and treatment of a gait abnormality in the same child.