Moderate-Vigorous Physical Activity across Body Mass Index in Females: Moderating Effect of Endocannabinoids and Temperament
Scholar | Otros documentos del autor: Fernández Aranda, Fernando; Sauchelli, Sarah; Pastor, Antoni; González, Marcela L.; De la Torre, Rafael; Granero, Roser; Jiménez Murcia, Susana; Baños Rivera, Rosa María; Botella, Cristina; Fernández-Real, José Manuel; Fernández García, José Carlos; Frühbeck, Gema; Gómez Ambrosi, Javier; Rodríguez, Roser; Tinahones Madueño, Francisco Javier; Arcelus, Jon; Fagundo, Ana B.; Agüera, Zaida; Miró, Jordi; Casanueva, Felipe F.
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TítuloModerate-Vigorous Physical Activity across Body Mass Index in Females: Moderating Effect of Endocannabinoids and Temperament
Fecha de publicación2014
EditorPublic Library of Science
Background: Endocannabinoids and temperament traits have been linked to both physical activity and body mass index (BMI) however no study has explored how these factors interact in females. The aims of this cross-s ... [+]
Background: Endocannabinoids and temperament traits have been linked to both physical activity and body mass index (BMI) however no study has explored how these factors interact in females. The aims of this cross-sectional study were to 1) examine differences among distinct BMI groups on daytime physical activity and time spent in moderate-vigorous physical activity (MVPA), temperament traits and plasma endocannabinoid concentrations; and 2) explore the association and interaction between MVPA, temperament, endocannabinoids and BMI. Methods: Physical activity was measured with the wrist-worn accelerometer Actiwatch AW7, in a sample of 189 female participants (43 morbid obese, 30 obese, and 116 healthy-weight controls). The Temperament and Character InventoryRevised questionnaire was used to assess personality traits. BMI was calculated by bioelectrical impedance analysis via the TANITA digital scale. Blood analyses were conducted to measure levels of endocannabinoids and endocannabinoid-related compounds. Path-analysis was performed to examine the association between predictive variables and MVPA. Results: Obese groups showed lower MVPA and dysfunctional temperament traits compared to healthy-weight controls. Plasma concentrations of 2-arachidonoylglyceryl (2-AG) were greater in obese groups. Path-analysis identified a direct effect between greater MVPA and low BMI (b = 20.13, p = .039) and high MVPA levels were associated with elevated anandamide (AEA) levels (b = 0.16, p = .049) and N-oleylethanolamide (OEA) levels (b = 0.22, p = .004), as well as high Novelty seeking (b = 0.18, p,.001) and low Harm avoidance (b = 20.16, p,.001). Conclusions: Obese individuals showed a distinct temperament profile and circulating endocannabinoids compared to controls. Temperament and endocannabinoids may act as moderators of the low MVPA in obesity. [-]
Cita bibliográficaFernández-Aranda F, Sauchelli S, Pastor A, Gonzalez ML, de la Torre R, Granero R, et al. (2014) Moderate-Vigorous Physical Activity across Body Mass Index in Females: Moderating Effect of Endocannabinoids and Temperament. PLoS ONE 9(8): e104534. doi:10.1371/journal.pone.0104534
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