Int J Sports Med 2021; 42(11): 985-993
DOI: 10.1055/a-1337-2998
Physiology & Biochemistry

Effects of Isometric Biceps Exercise on Blood Pressure in Adults with Hypertension

Paulo Henrique Medeiros Silva
1   Graduate Program in Physical Education, Federal University of Rio Grande do Norte, Natal, Brazil
,
Leandro Campos de Brito
2   School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil
,
3   Graduate Program in Health Sciences, Federal University of Rio Grande do Norte, Natal, Brazil
,
4   Graduate Program in Psychobiology, Federal University of Rio Grande do Norte, Natal, Brazil
,
3   Graduate Program in Health Sciences, Federal University of Rio Grande do Norte, Natal, Brazil
,
5   NeuroVASQ - Integrative Physiology Laboratory, Faculty of Physical Education, University of Brasilia, Brazil
,
1   Graduate Program in Physical Education, Federal University of Rio Grande do Norte, Natal, Brazil
3   Graduate Program in Health Sciences, Federal University of Rio Grande do Norte, Natal, Brazil
6   Department of Physical Education, Federal University of Rio Grande do Norte, Natal, Brazil
› Institutsangaben

Abstract

We investigated the acute effects of isometric biceps exercise on resting and ambulatory blood pressure in hypertensive adults. A total of 12 medicated hypertensive adults (aged 47±7 years; body mass index 27.2±2.7 kg/m2; resting blood pressure 123±12/74±6 mmHg) performed an isometric biceps exercise session (bilateral biceps exercise; 4×1 min at 30% of 1-RM, 2 min recovery) and a control session (without exercise) in a randomized order separated by a 7 to 10-day period. Resting blood pressure, heart rate, and heart rate variability indexes (SDNN, RMSSD, LF, HF, and LF/HF) were measured pre- and up to 30 min post-sessions. Next, ambulatory blood pressure was monitored during 22-hour post-sessions (awake and asleep periods). No significant changes were observed for resting blood pressure, heart rate, or heart rate variability indexes up to 30 min post-sessions (p>0.05). Furthermore, no significant differences were observed in average ambulatory blood pressure values in 22-hour (126±11/71±6 mmHg vs. 126±15/71±9 mmHg), awake (127±10/74±6 mmHg vs. 130±14/75±10 mmHg), and asleep (123±15/68±6 mmHg vs. 120±17/66±9 mmHg) periods between the control and isometric sessions, respectively (p>0.05). In conclusion, an isometric biceps exercise session does not elicit an acute antihypertensive effect in adults with hypertension, which suggests that its prescription to improve the acute BP control is limited.



Publikationsverlauf

Eingereicht: 07. Oktober 2020

Angenommen: 07. Dezember 2020

Artikel online veröffentlicht:
22. Februar 2021

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