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Changes in cardiovascular parameters (heart rate, HR; A–D), systolic blood pressure (E–H) and diastolic blood pressure (I–L) before and after 30 min activity (dancing, reading, singing or cycling) in nine healthy female volunteers. Data is presented as a scatter plot with mean ± SEM. Data sets were compared by paired Student’s t-test pre and post-activity (*P < 0.05, **P < 0.01 and ***P < 0.001).
