Some studies show a slight positive association between general digital media use and physical activity. Active media use, such as posting photos, chatting or taking part in online challenges, can be associated with an active lifestyle. Following sports through digital media may also encourage young people to take part in sports themselves to some extent, although this effect is small.
By contrast, passive media use – such as scrolling or watching series – is more often associated with less physical activity. Intensive or problematic use increases this risk, although problematic use has not increased in recent years. Using media late at night can disrupt sleep, indirectly leading to less energy and motivation to be physically active. In addition, physical complaints (neck, back and eye problems) can affect physical activity behaviour.
Overall, the association between digital media use and physical activity is small or absent. Digital media and physical activity mainly compete during leisure time, but they often replace other sedentary activities rather than sport. The extent to which sport is displaced depends on motivation and context.
Movement technology, such as exergames and wearables, can have a positive effect, particularly when game elements such as competition, rewards and social interaction are used. Guidance from professionals increases effectiveness. These effects are usually strongest in the short term (up to approximately 12 weeks) and then diminish due to habituation.
The conclusion is that the relationship between digital media use and physical activity is complex and limited. Research also has methodological limitations, such as self-reporting and a lack of long-term data, making firm conclusions difficult.
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Source: Alles over Sport.