3 Results for: "Light Studies"
Growing attention has lately been given to the importance of Vitamin D as a factor protecting people’s health. As an exploratory study, we investigated the relationship between physical activity, light level and individuals’ vitamin D status within an intervention promoting physical activity. Fourteen adults (age 49.2±8.0 yr.) underwent a ...
- Published on June 26, 2013
Experts recommend children spend more time playing outdoors. The ambient light sensor of the ActiGraph GT3X+ provides lux measurements. A lux is the International System’s unit of illumination, equivalent to one lumen per square meter. Few studies have established a lux threshold for determining whether a child ...
- Published on January 15, 2013
Being outdoors may have health benefits including being more physically active. Understanding the relationship between outdoor time and health is hampered by the difficulty of measuring outdoor time.
To examine the accuracy and validity of light-sensor and GPS methods for quantifying outdoor time among those aged 3-5 years ...