Kyungsoo Kim Yoon Hyuk Kim Influence of Moment Arms on Lumbar Spine Subjected to Follower Loads. 431-436 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3314&spage=431 2004 conf/cis/2004 CIS db/conf/cis/cis2004.html#KimK04b