等张练习可在肢体被固定的早期应用，以预防肌肉萎缩。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30777' and id < 2478250 and id<>'2478250' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30777' and id > 2478250 and id<>'2478250' order by id asc limit 5