For best results, all three patterns require openness of the breathing space (the rib cage and abdomen) and fine coordination of several muscle groups.

为了取得最好的成效，这三种呼吸模式都要求呼吸空间(胸腔及腹腔)的开阔及部分肌肉组织间的协调配合。

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For best results, all three patterns require openness of the breathing space (the rib cage and abdomen) and fine coordination of several muscle groups.

为了取得最好的成效，这三种呼吸模式都要求呼吸空间(胸腔及腹腔)的开阔及部分肌肉组织间的协调配合。

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