The subject should be weighed to the closest tenth of a kilogram in the same clothes and shoes that are worn for the step test. The weight is important because it will enter into the calculations for anaerobic power. In this version of the AnaerobicStep Test, anaerobic power is used as the final unit of measure, not simply the number of stepping repetitions. A step is counted for each time the subject's support leg is straightened and then returned to the starting po- sition. Steps are not counted if the subject does not straighten the support leg or if the subject's back is bent. It is best to count aloud so as to give immediate feedback to the subject. The counting should be as follows: "up-1,