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To explore the different exercise intensities breaststroke exercise on cardiovascular function, from exercise intensity angle to choose reasonable breaststroke intervention means in the improvement of cardiovascular function and provide a theoretical basis. Methods: randomly selected 60 samples, the control group routine life and learning, without any form of physical exercise, the experimental group for18 weeks of different intensity exercise the breaststroke, each group weekly exercise two lessons, each lesson is 90 minutes, including the preparation, basic and relaxation part. Results: 1) HR, MSP and reduced significantly, SI, CI, MDP value rose somewhat, MAP values decreased slightly; 2) in the strength group SV elevated and very significant, HR, MSP, MDP, MAP decreased significantly, SI increased significantly; 3) large strength of group SV, SI increased and HR decreased, and were very significant, MSP, MDP, MAP decreased significantly. Conclusion: The different intensities of breaststroke exercise can have a positive impact on cardiovascular function and blood indices. In the strength group breaststroke exercise on cardiovascular function had the best effect. Index Terms - Breaststroke; blood indexes; student

Breaststroke with Different Intensities Exercise on Cardiovascular Function and Blood Indexes of College Students