Modest movement while seated, i.e., use of HOVR, elevated metabolic rate by 17.6% compared to sitting and by 7% compared to standing and might be a reasonable strategy to help elevate NEAT during the workday.
Spontaneous movement at an alternative workstation elevated EE 10% to 11% compared with sitting and could increase daily nonexercise activity thermogenesis without diminishing mental attention to desk work.
As the prevalence of obesity rises worldwide, researchers pursue explanations for the phenomenon, particularly those relevant to energy expenditure. Non-exercise activity thermogenesis, or NEAT, has been identified as an inconspicuous but appreciable component of total daily energy expenditure. Demands of certain occupations discourage time for planned physical activity and clearly diminish NEAT, and thereby contribute to sedentary behaviors that underlie increased adiposity. Prolonged sitting during the workday has specifically been identified as a risk factor for obesity and chronic disease independent of existing risk factors. Practical strategies have been launched by industry to increase NEAT during the workday. Workstations that involve maintaining balance while sitting on an exercise ball, standing, pedaling while sitting, and walking at a treadmill desk have been developed to counter extended periods of sedentary behavior at work. While data are limited particularly for chronic benefits, the stations that promote the most movement – the pedaling and walking stations – increase METS and energy expenditure more so than the other alternatives. The drawback to greater motion may be reduced attention to the desk job and therefore, reduced cognitive function; however, the data are inconsistent and the benefit for health may outweigh small distractions for some tasks at the desk.
RESUMEN Scott, H.M., Tyton, T.N., & Horswill, C.A. (2016). Conducta ocupacional sedentaria y soluciones para aumentar la termogénesis no asociada al ejercicio. PENSAR EN MOVIMIENTO: Revista de Ciencias del Ejercicio y la Salud, 14(2), 22-43. Conforme aumenta la prevalencia de la obesidad en todo el mundo, los investigadores buscan explicaciones para este fenómeno, en particular aquellas relevantes al gasto energético. Se ha identificado que la termogénesis no asociada al ejercicio, abreviada como NEAT (por sus siglas en inglés), es un componente discreto, pero a la vez considerable, del gasto energético diario total. Las exigencias de algunas ocupaciones limitan la disposición de tiempo para la actividad física planificada y claramente reducen la NEAT, lo cual contribuye a las conductas sedentarias que provocan la adiposidad aumentada. Se ha identificado específicamente al tiempo sentado prolongado durante la jornada laboral como un factor de riesgo para la obesidad y las enfermedades crónicas, independientemente de otros factores de riesgo existentes. Se han puesto en práctica algunas estrategias prácticas para aumentar la NEAT durante la jornada laboral: existen estaciones de trabajo que requieren mantener el equilibrio mientras se trabaja sentado en una pelota suiza (bola de ejercicio) o trabajar de pie, también otras en las que se pedalea sentado o se camina 1 También disponible en la versión original en inglés en este mismo número.
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