Effects of swimming training on blood pressure and vascular function in adults >50 years of age

Nantinee Nualnim, Kristin Parkhurst, Mandeep Dhindsa, Takashi Tarumi, Jackie Vavrek, Hirofumi Tanaka

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

Swimming is ideal for older adults because it includes minimum weight-bearing stress and decreased heat load. However, there is very little information available concerning the effects of regular swimming exercise on vascular risks. We determined if regular swimming exercise would decrease arterial blood pressure (BP) and improve vascular function. Forty-three otherwise healthy adults >50 years old (60 ± 2) with prehypertension or stage 1 hypertension and not on any medication were randomly assigned to 12 weeks of swimming exercise or attention time controls. Before the intervention period there were no significant differences in any of the variables between groups. Body mass, adiposity, and plasma concentrations of glucose and cholesterol did not change in either group throughout the intervention period. Casual systolic BP decreased significantly from 131 ± 3 to 122 ± 4 mm Hg in the swimming training group. Significant decreases in systolic BP were also observed in ambulatory (daytime) and central (carotid) BP measurements. Swimming exercise produced a 21% increase in carotid artery compliance (p <0.05). Flow-mediated dilation and cardiovagal baroreflex sensitivity improved after the swim training program (p <0.05). There were no significant changes in any measurements in the control group that performed gentle relaxation exercises. In conclusion, swimming exercise elicits hypotensive effects and improvements in vascular function in previously sedentary older adults.

Original languageEnglish (US)
Pages (from-to)1005-1010
Number of pages6
JournalAmerican Journal of Cardiology
Volume109
Issue number7
DOIs
StatePublished - Apr 1 2012

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Blood Vessels
Blood Pressure
Exercise
Prehypertension
Baroreflex
Adiposity
Weight-Bearing
Carotid Arteries
Compliance
Dilatation
Arterial Pressure
Hot Temperature
Cholesterol
Hypertension
Education
Glucose
Control Groups

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Effects of swimming training on blood pressure and vascular function in adults >50 years of age. / Nualnim, Nantinee; Parkhurst, Kristin; Dhindsa, Mandeep; Tarumi, Takashi; Vavrek, Jackie; Tanaka, Hirofumi.

In: American Journal of Cardiology, Vol. 109, No. 7, 01.04.2012, p. 1005-1010.

Research output: Contribution to journalArticle

Nualnim, N, Parkhurst, K, Dhindsa, M, Tarumi, T, Vavrek, J & Tanaka, H 2012, 'Effects of swimming training on blood pressure and vascular function in adults >50 years of age', American Journal of Cardiology, vol. 109, no. 7, pp. 1005-1010. https://doi.org/10.1016/j.amjcard.2011.11.029
Nualnim, Nantinee ; Parkhurst, Kristin ; Dhindsa, Mandeep ; Tarumi, Takashi ; Vavrek, Jackie ; Tanaka, Hirofumi. / Effects of swimming training on blood pressure and vascular function in adults >50 years of age. In: American Journal of Cardiology. 2012 ; Vol. 109, No. 7. pp. 1005-1010.
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