Abstract
Individuals with metabolic syndrome (MetS) have an increased arterial stiffness which is a strong independent risk factor for cardiovascular disease. Therapeutic interventions aimed at decreasing arterial stiffness is critical. However, resistance training has been shown to increase arterial stiffness in young healthy individuals. Thus, would resistance training exacerbate the arterial stiffness in individuals with MetS? We hypothesized individuals with MetS who participated in progressive resistance training of moderate intensity will not experience an increase in carotid arterial stiffness. A total of 18 individuals (8 MetS and 10 healthy control) performed resistance training exercises for 8 weeks. Resting measurements of carotid pulse wave analysis, systolic pressures, and carotid ultrasounds were taken before and after the intervention. No changes in systolic carotid diameter were found in the MetS (pre 0.65 ±0.02; post 0.66 ±0.02, p>0.5) or control (pre 0.61 ±0.01; post 0.61 ±0.01, p>0.5) group. Carotid systolic blood pressure did not significantly change in the MetS (pre 123±6; post 120±4 mmHg p>0.5) or control (pre 112 ±3; post 111±4 p>0.5) group. Regardless of group, a non‐significant (p=0.08) 16% decrease in carotid β‐stiffness was found following resistance training. In summary, individuals with MetS may safely participate in progressive hypertrophic resistance training.
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