下运动神经元损伤后肌张力异常的主要表现是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25686' and id < 2158732 and id<>'2158732' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25686' and id > 2158732 and id<>'2158732' order by id asc limit 5