tag:blogger.com,1999:blog-822980678442527312.post1701485798035825443..comments2013-07-21T19:19:09.375-07:00Comments on The Performance Lab Blog: The Case for Trail RunningMichael J. Rosshttp://www.blogger.com/profile/09581287855086801447noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-822980678442527312.post-42736822980640131312012-01-27T11:06:27.776-08:002012-01-27T11:06:27.776-08:00I totally agree. Long distance running on flat su...I totally agree. Long distance running on flat surfaces leads to longer strides and weak hips. I need to get running on trails more.<br /><br />JonJShttps://www.blogger.com/profile/15260474275450310809noreply@blogger.com