Can Singing Evoke a Significant Cardiovascular Response on a Six-minute Treadmill Walk Test?: A Crossover Study
Keywords:six-minute treadmill walk test, cardiovascular parameters, singing, walk tests
Objectives: This study compared the effects of the Six-minute Treadmill Walk Test (6MTWT) and Six-Minute Treadmill Sing Walk Test (6MTSWT) on cardiovascular parameters.
Study design: Crossover study.
Setting: Undergraduates of Obafemi Awolowo University, Ile-Ife, Nigeria.
Subjects: Thirty-five healthy individuals.
Methods: The participants performed both the 6MTWT and the 6MTSWT in random order with a 10-minute rest interval between. The 6MTSWT was the same as the 6MTWT with the exception that the participants were required while walking to sing along to a popular local song rendered at 80 beats per minute through a headset and synchronized to the treadmill speed. Pre-and-post-walk systolic blood pressure (SBP), diastolic blood pressure (DBP), pulse rate (PR), rate of perceived exertion (RPE), and rate pressure product (RPP) were recorded.
Results: Each test resulted in a significant difference in SBP, RPP, and RPE (p < 0.05). There were also significant differences between the groups in mean change of PR with 6MTWT and 6MTSWT (2.37±3.90 vs. 0.54±3.24; t= 2.133; p = 0.037, respectively) and RPP (776.80±602.24 vs. 483.86±399.28; t = 2.398; p = 0.019, respectively).
Conclusions: Slow-tempo singing decreases PR and RPP significantly during 6MTWT among healthy young individuals.
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