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Br J Sports Med. 2009 Aug;43(8):615-8. doi: 10.1136/bjsm.2008.052126. Epub 2008 Oct 16.

Effect of 12 weeks of moderate-intensity resistance training on arterial stiffness: a randomised controlled trial in women aged 32-59 years.

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  • 1Division of Sports Medicine, Graduate School of Comprehensive Human Sciences, Tsukuba, Japan.

Abstract

BACKGROUND:

Resistance training has been increasingly incorporated into the overall exercise programme because of its effect on muscle strength, functional capacity and osteoporosis. High-intensity resistance training increases arterial stiffness. However, the effect of moderate-intensity resistance training on arterial stiffness is unknown.

OBJECTIVE:

To determine whether 12 weeks of moderate-intensity resistance training increases arterial stiffness in middle-aged women.

METHODS:

35 middle-aged women (age range 32 to 59 years) volunteered to participate. The subjects were randomly assigned to one of three groups: resistance training (RT) group, aerobic exercise training (AET) group or control group. The RT and AET groups performed 12 weeks of moderate-intensity resistance training or aerobic exercise training (two days/week).

RESULTS:

In the RT group, one-repetition maximum strength significantly increased after the intervention. Interestingly, aortic (carotid-femoral) pulse wave velocity (PWV; an index of arterial stiffness), and peripheral (femoral-ankle) PWV did not change with moderate-intensity resistance training. In contrast, in the AET group, carotid-femoral PWV significantly decreased after the intervention. Resistance training and aerobic exercise training did not affect blood pressure.

CONCLUSIONS:

This study found that moderate-intensity resistance training did not increase arterial stiffness in middle-aged women, which may have great importance for health promotion with resistance training.

PMID:
18927168
DOI:
10.1136/bjsm.2008.052126
[PubMed - indexed for MEDLINE]
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