除了ISO 20957？1的一般安全要求外，ISO 20957-9:2016还规定了椭圆训练器的附加安全要求。 ISO 20957-9:2016规定了具有闭合模式运动和/或往复运动的心血管设备的安全要求，其中用户的脚设计为与脚部平台接触，但不包括从站立或坐姿执行的步进器。

ISO 20957-9:2016 specifies additional safety requirements for elliptical trainers in addition to the general safety requirements of ISO 20957？1. ISO 20957-9:2016 specifies safety requirements for cardiovascular equipment with a closed pattern motion and/or a reciprocating motion, where the user's feet are designed to be in contact with the footplatform, but not including steppers, performed from either a standing or seated position.