A number of studies have indicated that low back pain is to some extent related to sitting postures.
大量的研究资料表明，下腰痛与坐位姿势之间存在着一定的相关性。
So, cultivating children correct sitting postures is an issue that society and parents should notice early.
因此，培养孩子正确的坐姿，是社会及家长应及早注意的一个问题。
The first level - the study and practice the seven sequences incorporating the family sitting postures and two balance sheets.
第一个层次-学习和实践结合的七个序列的坐姿和两个家庭的资产负债表。
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