Associations of sedentary time, physical activity, and fitness with muscle glucose uptake in adults with metabolic syndrome

Taru Garthwaite, Tanja Sjöros, Saara Laine, Mikko Koivumäki, Henri Vähä-Ypyä, Olli Eskola, Johan Rajander, Petri Kallio, Maria Saarenhovi, Eliisa Löyttyniemi, Harri Sievänen, Noora Houttu, Kirsi Laitinen, Kari Kalliokoski, Tommi Vasankari, Juhani Knuuti, Ilkka Heinonen

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

3 Citeringar (Scopus)
39 Nedladdningar (Pure)

Sammanfattning

OBJECTIVE: The objective of the study was to investigate the associations of sedentary time, physical activity, and cardiorespiratory fitness with skeletal muscle glucose uptake (GU).

METHODS: Sedentary time and physical activity were measured with accelerometers and VO2 max with cycle ergometry in 44 sedentary adults with metabolic syndrome. Thigh muscle GU was determined with [18 F]FDG-PET imaging.

RESULTS: Sedentary time (β = -0.374), standing (β = 0.376), steps (β = 0.351), and VO2 max (β = 0.598) were associated with muscle GU when adjusted for sex, age, and accelerometer wear time. Adjustment for body fat-% turned all associations non-significant.

CONCLUSION: Body composition is a more important determinant of muscle GU in this population than sedentary time, physical activity, or fitness.

OriginalspråkEngelska
Antal sidor6
TidskriftScandinavian Journal of Medicine and Science in Sports
DOI
StatusE-pub före tryck - 14 dec. 2022
MoE-publikationstypA1 Tidskriftsartikel-refererad

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