Abstract: The invention relates to an apparatus for testing the physical condition of a person and a method for using the apparatus. The apparatus comprises a portable heart monitor for attachment to a person and a plurality of circular paths positioned for sequential use by the person in order of increasing size. Marked on the circles are means indicating a given fractional part of the circle which is to be covered in a measured number of seconds. Means are provided to indicate the elapsing of the measured number of seconds. Additionally provided are means timing the elapse of a set period of time for the person to sequentially walk over each circle.