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Crossfit® vs running: a comparative analysis of telomere length and cardiometabolic risk

in Comparative Exercise Physiology
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L. Lisboa Carvalho Department of Health Sciences, Graduate Program in Health Promotion, University of Santa Cruz do Sul, Santa Cruz do Sul, Rio Grande do Sul, Brazil

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https://orcid.org/0000-0001-7566-5785
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K.M.K. Mansour Department of Health Sciences, Graduate Program in Health Promotion, University of Santa Cruz do Sul, Santa Cruz do Sul, Rio Grande do Sul, Brazil

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https://orcid.org/0000-0001-6025-1870
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N. da Costa Residency Program in Urgency, Emergency and Intensive care, Hospital Santa Cruz, Santa Cruz do Sul, Rio Grande do Sul, Brazil

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https://orcid.org/0000-0002-4155-5470
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D. Pastoriza Gonçalves Biomedicine course, University of Santa Cruz do Sul, Santa Cruz do Sul, Rio Grande do Sul, Brazil

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https://orcid.org/0009-0004-9250-5117
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L. Tornquist Graduate Program in Health Promotion, University of Santa Cruz do Sul, Santa Cruz do Sul, Rio Grande do Sul, Brazil

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https://orcid.org/0000-0003-2532-3597
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N. Quaiatto Félix Graduate Program in Health Promotion, University of Santa Cruz do Sul, Santa Cruz do Sul, Rio Grande do Sul, Brazil

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https://orcid.org/0000-0002-2077-8077
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L. Teixeira Physical Education course, University of Santa Cruz do Sul, Santa Cruz do Sul, Rio Grande do Sul, Brazil

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https://orcid.org/0009-0006-9962-8907
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M.B. Reckziegel Department of Health Sciences, University of Santa Cruz do Sul, Santa Cruz do Sul, Rio Grande do Sul, Brazil

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https://orcid.org/0000-0001-5854-3153
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L. Gonçalves Possuelo Department of Life Sciences, Graduate Program in Health Promotion, University of Santa Cruz do Sul, Santa Cruz do Sul, Rio Grande do Sul, Brazil

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https://orcid.org/0000-0002-6425-3678
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A.R. de M. Valim Department of Life Sciences, Graduate Program in Health Promotion, University of Santa Cruz do Sul, Santa Cruz do Sul, Rio Grande do Sul, Brazil

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https://orcid.org/0000-0001-9611-3103
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Abstract

Objective: To evaluate the difference in telomere length between street running and CrossFit® and compare the association between cardiometabolic risk and telomere length between both sports. Methods: Cross-sectional study that evaluated 54 individuals, 26 street runners and 28 CrossFit® practitioners (32.17 ± 7.17 years; 72.2% female). Data collection included a selfreported questionnaire, Pittsburgh Sleep Quality Index, anthropometric measurements, cardiorespiratory fitness, lipid profile, and telomere length. Using Generalised Linear Models, we analysed the association between cardiometabolic risk factors and telomere length. Results: Street runners were significantly older (P = 0.012) and had higher VO2max (P = 0.004) compared to CrossFit® participants. There was no significant difference in telomere length between both groups. A significant interaction between the sport modality practised and the Pittsburgh Sleep Quality Index score (P = 0.045) and systolic blood pressure (P = 0.004). Street runners showed an inverse relationship between Pittsburgh Sleep Quality Index score (B: −0.249; 95%CI: −0.493; −0.005) and systolic blood pressure (B: −0.104; 95%CI: −0.174; −0.034) with the telomere length compared to the CrossFit® group. Conclusion: Among street runners, a positive association was observed between sleep quality and systolic blood pressure, suggesting that individuals with better sleep quality and lower SBP levels tend to have longer telomeres.

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