Some experts on sitting recommend "active sitting" using an exercise ball, kneeling stool or something else without a high back.
专家建议“积极坐姿”。不管健身球还是凳子，只要没有高靠背就好。
some experts on sitting recommend "active sitting" using an exercise ball, kneeling stool or something else without a high back.
专业人士提议“积极坐姿”。不管保健球还是凳子，只要没有高靠背就好。
some experts on sitting recommend "active sitting" using an exercise ball, kneeling stool or something else without a high back.
专业人士提议“积极坐姿”。不管保健球还是凳子，只要没有高靠背就好。
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