This gives it a very distinct saddle shape with movable joints.

这使它具有非常独特的马鞍形状和可移动的关节。

But the family of joints that make all the sports, and the entire art of breakdancing, and yoga possible, are the freely movable synovial joints.

但是关节家族中使所有的运动，霹雳舞和瑜伽的整个艺术成为可能的是可自由移动的滑膜关节。