美国新近研制成功一种名为Pyramid Selex(金字塔)的渐进式举重操作系统——该系统用“加载重块”(以下简称“重块”)代替传统的杠铃片而成为一种可自由选择“重块”的新型系列力量练习器。这种练习器不仅改变了人们习惯的训练方法,而且解决了使用旧式练习器存在 The United States recently developed a progressive weight-lifting operating system called the Pyramid Selex - a system that replaces the traditional bar-weights with “load weights” (hereinafter referred to as “weights”) as a freely selectable “ Weight ”of the new series of strength trainer. This trainer has not only changed the training methods used by people, but also solved the use of old trainers