"These children's lives are all about negativity - it's all about people saying they are fat and unfit, " says Mr Horridge.
BBC: Last Updated: Friday, 7 March 2008, 12:31 GMT
2.
Mr Horridge said it took weeks' of encouragement to get the youngsters actually out in the open because many were too self-conscious to even go outside let alone exercise in public.
BBC: Last Updated: Friday, 7 March 2008, 12:31 GMT