Helps an athlete to measure changes in orthostatic regulation of heart rate. Stores results in database. Displays results as tables and graphs. Makes easy to compare side by side any chosen results as graphs or columns of numbers. Provides basic knowledge supporting interpretation of trends and patterns visible in data. Helps an athlete to find out how their individual characteristics of orthostatic regulation are affected by intensity, volume, content and frequency of their workouts, and how they need to regulate those parameters to increase the effectiveness of their athletic training.