Lynne works as a lunch time supervisor and was experiencing back problems, worsened by bending to help children put on their coats before going onto the yard.
Mae Lynne yn gweithio fel goruchwylydd amser cinio ac roedd yn profi problemau gyda’i chefn, a oedd yn cael eu gwaethygu trwy blygu i lawr i helpu plant i wisgo’u cotiau cyn mynd allan ar y buarth.