Results The literature review and meta- analysis identified decreased PA and increased time spent in SB in these population s , which may exacerbate both their lower physical fitness and the symptoms of their health disorders .
Background Physical activity ( PA ) is essential for children throughout their growth and maturation .
It improves physiological and psychological health and limits the risk of developing metabolic disorders .
However , some chronic physiological and metabolic diseases may lead to decreased PA .
The diversity of outcomes in the literature offers no consensus for physical activity and sedentary levels in children with juvenile idiopathic arthritis ( JIA ) or inflammatory bowel disease ( IBD ) .
The aim was to examine  PA and SB  in children with JIA or IBD compared to their healthy peers .
Presenting features of inflammatory bowel disease in Great Britain and Ireland
Background : Reports from individual referral centres suggest that a significant proportion of children with inflammatory bowel disease ( IBD ) present after prolonged delays and with impaired growth . Aims : To prospect ively document the presenting features , delay in presentation , disease localisation , and growth in newly diagnosed cases of IBD . Methods : For 13 months , between June 1998 and June 1999 , 3247 paediatricians , adult gastroenterologists , and surgeons across the UK and Irel and were prospect ively surveyed each month and asked to report every newly diagnosed case of childhood IBD . Results : A total of 739 new IBD cases aged less than 16 years were identified . Only one quarter of Crohn ’s disease ( CD ) cases presented with the “ classic triad ” of diarrhoea , weight loss , and abdominal pain ; nearly half did not report diarrhoea . The median delay from onset of symptoms to diagnosis was 5 months ( mean 11 months ) , with one fifth having symptoms of more than one year . Delays were most common in CD and in younger children .  Short stature was noted only in those with CD and not with ulcerative colitis . One fifth of CD cases had disease activity in the jejunum and this group had significantly reduced stature . Ileo-colonic involvement was documented in most CD cases , with only a small minority having isolated ileal or isolated colonic disease . Pan-colitis was reported in most UC cases , with very few having only an isolated proctitis . Conclusions : Many children are diagnosed after prolonged delays and have growth failure . Improved knowledge of the presenting features of IBD , and earlier investigation of suspected cases , may help reduce the delays noted
Results The literature review and meta- analysis identified decreased PA and increased time spent in SB in these population s , which may exacerbate both their lower physical fitness and the symptoms of their health disorders .
Background Physical activity ( PA ) is essential for children throughout their growth and maturation .
It improves physiological and psychological health and limits the risk of developing metabolic disorders .
However , some chronic physiological and metabolic diseases may lead to decreased PA .
The diversity of outcomes in the literature offers no consensus for physical activity and sedentary levels in children with juvenile idiopathic arthritis ( JIA ) or inflammatory bowel disease ( IBD ) .
The aim was to examine  PA and SB  in children with JIA or IBD compared to their healthy peers .