Fecchio, RY, Sousa, JCSD, Oliveira-Silva, L, Silva Junior, NDD, Pio-Abreu, A, Silva, GVD, Drager, LF, Low, DA and Forjaz, CLM (2024) Effects of dynamic resistance training on postexercise hypotension and its mechanisms in hypertensive men. Blood Pressure Monitoring, 30 (2). pp. 57-64. ISSN 1359-5237

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Abstract

Background A possible chronic effect of exercise training is the attenuation of the acute decrease in blood pressure (BP) observed after the execution of a session of exercise [i.e. called postexercise hypotension (PEH)]. However, there are few empirical data regarding this issue, and the possible mechanisms involved in this blunted response have not been studied. Aim The study aimed to evaluate the effects of dynamic resistance training (DRT) on PEH and its systemic, vascular, and autonomic mechanisms. Methods Data from 16 middle-aged treated hypertensive men who underwent DRT (eight exercises, 50% of 1RM, three sets until moderate fatigue) three times/week for 10 weeks were analyzed. Before and after the training period, the participants underwent an experimental session in which BP (auscultation), systemic hemodynamics (CO2 rebreathing), vascular function (duplex ultrasound), and cardiovascular autonomic modulation (spectral analysis of heart rate and BP variabilities) were assessed before and after a session of DRT. Results DRT reduced preexercise systolic BP and mitigated the systolic PEH that occurred before but not after the training period (P = 0.017). DRT did not change the diastolic PEH that occurred with similar magnitude before and after the training period (P = 0.024). DRT did not change the PEH mechanisms, except for cardiac sympathovagal balance that increased significantly more after the session of DRT conducted in the posttraining evaluation (P = 0.017). Conclusion In medicated hypertensive men, 10 weeks of DRT decreased preexercise systolic BP, abolished systolic PEH, and induced a greater increase in postdynamic resistance exercise sympathovagal balance.

Item Type:	Article
Additional Information:	This is a pre-copyedited, author-produced version of an article accepted for publication in Blood Pressure Monitoring. The published version of record Fecchio, Rafael Yokoyamaa; Sousa, Julio C.S. dea; Oliveira-Silva, Lauraa; Silva Junior, Natan D. daa; Pio-Abreu, Andreab; Silva, Giovânio V. dab; Drager, Luciano F.b; Low, David A.c; Forjaz, Cláudia L.M.a. Effects of dynamic resistance training on postexercise hypotension and its mechanisms in hypertensive men. Blood Pressure Monitoring 30(2):p 57-64, April 2025. | DOI: 10.1097/MBP.0000000000000737 is available online at: https://doi.org/10.1097/mbp.0000000000000737
Uncontrolled Keywords:	Humans; Male; Resistance Training; Hypertension; Middle Aged; Post-Exercise Hypotension; Blood Pressure; Heart Rate; Exercise; 32 Biomedical and Clinical Sciences; 3201 Cardiovascular Medicine and Haematology; Cardiovascular; Physical Activity; Hypertension; Heart Disease; Cardiovascular; Humans; Male; Resistance Training; Hypertension; Middle Aged; Post-Exercise Hypotension; Blood Pressure; Heart Rate; Exercise; 1103 Clinical Sciences; Cardiovascular System & Hematology; 3201 Cardiovascular medicine and haematology
Subjects:	R Medicine > RC Internal medicine > RC1200 Sports Medicine
Divisions:	Sport and Exercise Sciences
Publisher:	Lippincott, Williams & Wilkins
SWORD Depositor:	A Symplectic
Date Deposited:	31 Mar 2025 11:15
Last Modified:	31 Mar 2025 11:15
DOI or ID number:	10.1097/MBP.0000000000000737
URI:	https://researchonline.ljmu.ac.uk/id/eprint/25963

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