Children are becoming weaker, less muscular and unable to do physical tasks that previous generations found simple, research has revealed.As a generation dedicated to online pursuits grows up, 10-year-olds can do fewer sit-ups and are less able to hang from wall bars in a gym. Arm strength has declined in that age group, as has their ability to grip an object firmly.
http://www.guardian.co.uk/society/2011/may/21/children-weaker-computers-replace-activity