With the adoption of Polar, the heart rate watch and its software, the competition load of 13 Chinese national equestrianism dressage players who took part in the FEI World Dressage Challenge 2006 (Advance level and St. George's level) were tested. The testing results were analyzed by SPSS 11.5 software. The change rules of competition load were recognized, the discrepancy of competition load among the different sex,different level of...