Physiological analysis of synchronized swimming in recreational female middle-aged swimmers.

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This study was designed to analyze physiologically recreational synchronized swimming and speed swimming. Two types of recreational synchronized swimming (Long face-in time performance : LFIP and Short face-in time performance : SFIP) and maximum exertion in the 200-m free style swimming (200 mFR) were measured in six recreational middle-aged female swimmers. LFIP and SFIP were conducted in shallow water. The percentage of face-in time for LFIP was about 10% longer than that of SFIP. Heart rate (HR) during each exercise was measured continuously. Blood lactate concentration (La), the rate of perceived exertion (RPE) and systolic and diastolic blood pressure (SBP, DBP) were measured after each exercise. Average HR during the LFIP, SFIP and 200 mFR were 133±12, 132±13 and 153±12 beats·min-1 (mean ± SD), respectively. La was 2.4±0.7 mmol·1-1for LFIP, 2.2±0.6 mmol·1-1for SFIP and 5.7 ± 2.4 mmol·1-1for 200 mFR, respectively. SBP was 181±32 mmHg for LFIP, 166±22 mmHg for SFIP and 185±30 mmHg for 200 mFR, respectively. No significant differences were observed in blood pressure among the three exercises. SBP of 200 mmHg or higher after LFIP and 200 mFR was observed in some subjects. HR, La and RPE for LFIP and SFIP showed no significant differences, but were significantly lower than those of 200 mFR. These results show that the exercise intensity of LFIP was moderate and was similar to that of SFIP. LFIP, however, caused a marked rise in SBP. Thus, SFIP may be more recommended for health promotion to recreational middle-aged swimmers than LFIP.
日本体力医学会の論文

Physiological analysis of synchronized swimming in recreational female middle-aged swimmers.

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