Improvement of forced vital capacity in obese children during summer camping.

Twenty-one obese children who attended a 4-week summer camping in Siriraj Hospital were evaluated for their lung function before and after camping. Twelve out of 21 children (57%) were found to have restrictive lung before camping. Of these 12 children, 6 of them (50%) had improvement of lung function, whereas 4 out of those with abnormal lung function (33%) had normal lung function after campings.