In Leiden, Holland, a Dutch woman was being wheeled into surgery for removal of her appendix when her physician found that what was really wrong with her was a torn abdominal muscle, the result of strenuous gyrations inside a hoop.

• 在荷兰的莱登，有个荷兰妇女被送往外科手术室去割除阑尾，但经医生检查，发现她的病实际上是腹肌受到损伤，而这完全是因为套上呼拉圈旋转过猛引起的。