It functions much like sitting on a yoga ball, with its inherent ergonomic benefits.
它的功能很像坐在瑜伽球上有其固有的符合人体工程学的利益，。
Some are less formal: Wonkette, a satirical beltway blog, put on its inaugural "ball" last Friday in a yoga studio.
一些就不那么正式了：专写封此文章的博客——温科特，在上周五于一家瑜伽会馆举行了它的就职“舞会”。
Purchase a step bench, free weights, exercise bands or tubes, and a yoga or fit ball. Store it in a spare closet.
买一个健身毯，一些负重器械，拉力器，一个瑜伽用的健身球放在储藏室空闲处。
Purchase a step bench, free weights, exercise bands or tubes, and a yoga or fit ball. Store it in a spare closet.
买一个健身毯，一些负重器械，拉力器，一个瑜伽用的健身球放在储藏室空闲处。
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