患者脑血栓形成后，左下肢能在床面平移，但不能抬起，其肌力为（

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30837' and id < 2483290 and id<>'2483290' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30837' and id > 2483290 and id<>'2483290' order by id asc limit 5