Grace under pressure. Ten years ago, 5,000 people did the exercise routine called Pilates. The number now is 5 million in America alone. But what is it, exactly? 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Grace under pressure. Ten years ago, 5,000 people did the exercise routine called Pilates. The number now is 5 million in America alone. But what is it, exactly?

作者姓名：	Chang Y

摘要：
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