Head, trunk and arm posture amplitude and variation, muscle activity, sedentariness and physical activity of 3 to 5 year-old children during tablet computer use compared to television watching and toy play.

Howie EK, Coenen P, Campbell AC, Ranelli S, Straker LM. Appl Ergon. 2017 Nov;65:41-50. doi: 10.1016/j.apergo.2017.05.011.

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