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Acute effects of whole-body vibration with resistance exercise on postexercise blood pressure and oxygen consumption in prehypertensive adults
Zeigler ZS, Swan PD
Journal of Exercise Science and Fitness 2016 Jun;14(1):14-23
clinical trial
4/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

BACKGROUND/OBJECTIVE: Research on the acute health effects of whole-body vibration with resistance exercise (WBV0 plus RE) for clinical populations is limited. This randomized crossover trial evaluated postexercise hypotension and excess postexercise oxygen consumption (EPOC) in response to three conditions: WBV plus RE, RE alone, and control (CON) in 11 prehypertensive (systolic / diastolic blood pressure 120 to 139 / 80 to 89 mmHg) adults. METHODS: Following a 12-hour fast with no exercise for the previous 24 hours, resting VO2 and blood pressure (BP) were measured. WBV plus RE was performed while standing barefoot on a vibration platform (Pneumex Pro-Vibe) and lifting a bar of 10% body weight. Fifteen repetitions of nine exercises were performed using a 1-minute-to-30-second exercise:rest ratio. RE was identical to WBV plus RE but without vibration. During CON, participants remained seated for 15 minutes. Following exercise, VO2 was measured continuously and BP every 15 minutes for 3 hours. RESULTS: Postexercise hypotension and EPOC were significantly different for WBV+RE compared with RE and CON (p < 0.001). Postexercise systolic BP was significantly lower for WBV plus RE as compared with RE or CON, while diastolic BP was lower for both WBV plus RE and RE compared with CON (p < 0.001; WBV plus RE 124 +/- 2/72 +/- 6 mmHg; RE 126 +/- 2/71 +/- 6 mmHg; CON 128 +/- 2/73 +/- 6 mmHg). EPOC was significantly (p < 0.001) higher at 15 minutes postexercise for WBV plus RE as compared with RE. CONCLUSION: Compared with RE alone, a single bout of WBV plus RE resulted in a greater postexercise hypotension response and higher EPOC.

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