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Alternating work posture improves postprandial glucose response without reducing computer task performance in the early afternoon.
Dobashi, Shohei; Kawaguchi, Saito; Ando, Daisuke; Koyama, Katsuhiro.
Afiliación
  • Dobashi S; Institute of Health and Sports & Medicine, Juntendo University, Inzai, Japan; Graduate School Department of Medicine, Engineering, and Agricultural Sciences, University of Yamanashi, Kofu, Japan.
  • Kawaguchi S; Faculty of Education and Human Sciences, University of Yamanashi, Kofu, Japan.
  • Ando D; Graduate School Department of Interdisciplinary Research, University of Yamanashi, Kofu, Japan.
  • Koyama K; Graduate School Department of Interdisciplinary Research, University of Yamanashi, Kofu, Japan; Faculty of Sport Science, Yamanashi Gakuin University, Kofu, Japan. Electronic address: koyama.katsuhiro@c2c.ac.jp.
Physiol Behav ; 237: 113431, 2021 08 01.
Article en En | MEDLINE | ID: mdl-33887321
In the workplace, sit-stand workstations are being installed to reduce excessive sitting time and the consequent risk factors for cardiovascular ailments (e.g., postprandial hyperglycemia). However, a prolonged standing posture also has detrimental effects in terms of musculoskeletal symptoms and work efficiency. We thus investigated whether alternating between a sitting and standing work posture improves postprandial glucose response and computer task performance. Nine healthy young males completed 4 × 20-min computer tasks in the early afternoon (i.e., 30 min after eating lunch) under three different work conditions, had no change in posture (only sitting=the control trial, CON), and engaged in two styles of alternating between sitting and standing every 20 min (sitting â†’ standing â†’ sitting â†’ standing, SIT-STAND; standing â†’ sitting â†’ standing â†’ sitting, STAND-SIT). For the computer tasks, all participants had to subtract a two-digit number from a four-digit number and to input the answer in the answer column on the computer. Task performance was evaluated as the number of achievements and accuracy rate every 20 min. Blood glucose concentration was assessed before, immediately after, 30 min, 52 min, 74 min, 96 min, and 118 min after eating lunch. The number of achievements and accuracy rate did not differ among the three trials. The total area under the curve (AUC) for blood glucose concentration was significantly lower in the SIT-STAND and STAND-SIT trials compared with CON, whereas no significant difference was observed between the SIT-STAND and STAND-SIT trials. In conclusion, alternating between a sitting and standing work posture attenuated postprandial blood glucose accumulation without reducing task performance, irrespective of the order of changes in work posture.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Análisis y Desempeño de Tareas / Glucosa Tipo de estudio: Prognostic_studies / Risk_factors_studies Límite: Humans / Male Idioma: En Revista: Physiol Behav Año: 2021 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Análisis y Desempeño de Tareas / Glucosa Tipo de estudio: Prognostic_studies / Risk_factors_studies Límite: Humans / Male Idioma: En Revista: Physiol Behav Año: 2021 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos