Central And Peripheral Blood Pressure Respond Similarly To Different Anaerobic Workloads

Acute and chronic exercise can lead to favorable alterations in central (CBP) and peripheral blood pressure (PBP). However, it is not clear how CBP and PBP respond when performing repeated Wingate bouts at varying loads. PURPOSE: The purpose was to compare CBP and PBP responses following different repeated Wingate bouts at low and high load. METHODS: Thirty participants [21 ± 2.24 y.o.; females (n = 23); males (n = 7)] were randomly assigned to complete repeated Wingate bouts at 7.5% (n = 16) or 10% (n = 14) of their body weight. SphygmoCor XCEL device was used to measure pulse wave analysis (PWA), including central systolic (CSP) and diastolic (CDP) blood pressures as well as brachial systolic (BSP) and diastolic (BDP) blood pressures. Participants completed a customized Wingate protocol, consisting of a warmup for five minutes followed by three bouts of ten second sprints with two minutes of active rest. PWA was measured at three different recovery time points: three, eight, and thirteen minutes. Separate 2 [condition (7.5% and 10%)] x 4 [time (pre, 3 minutes, 8 minutes, 13 minutes)] repeated measures ANOVA were used to analyze data. RESULTS: Main effects were found for CSP (p < 0.001), CDP (p = 0.013), BSP (p < 0.001), and BDP (p = 0.008). Post hoc analysis revealed a significant increase from CSP pre (107 ± 12 mmHg) to 3 minutes (117 ± 13.1 mmHg) (p < 0.001), CDP pre (71.9 ± 9.84 mmHg) to 3 minutes (74.8 ± 9.29 mmHg) (p = 0.016), and BSP pre (123 ± 13.9 mmHg) to 3 minutes (141 ± 17.3 mmHg) (p < 0.001). There were significant decreases between CSP 3 minutes (117 ± 13.1 mmHg) to 8 minutes (106 ± 8.37 mmHg) (p < 0.001), CSP 3 minutes (117 ± 13.1 mmHg) to 13 minutes (106 ± 8.75 mmHg) (p < 0.001), CDP pre (71.9 ± 9.84 mmHg) to 8 minutes (70.8 ± 6.56 mmHg) (p = 0.001), BSP 3 minutes (141 ± 17.3 mmHg) to 8 minutes (124 ± 10.7 mmHg) (p < 0.001), BSP 3 minutes (141 ± 17.3 mmHg) to 13 minutes (123 ± 11.5 mmHg) (p < 0.001), BDP 3 minutes (73 ± 8.85 mmHg) to 8 minutes (68.5 ± 6.19 mmHg) (p = 0.001), and BDP 3 minutes (73 ± 8.85 mmHg) to 13 minutes (69.5 ± 7.46 mmHg) (p = 0.025). No interaction effects were found. CONCLUSION: Each Wingate bout elicited similar responses for CBP and PBP, regardless of the load used. Further research is warranted to examine the impact of different workloads chronically and if these responses are consistent across different exercise modalities.