http://www.murunner.com/runners/is-okay-for-cross-country-runners-to-get-jacked/ Thu, 17 May 2012 03:40:59 +0000 hourly 1 http://wordpress.org/?v=3.2.1 http://www.murunner.com/runners/is-okay-for-cross-country-runners-to-get-jacked/#comment-4321 Jake B Tue, 19 Jan 2010 20:02:59 +0000 http://www.murunner.com/runners/is-okay-for-cross-country-runners-to-get-jacked#comment-4321 they're all skinny because for cross country you need less muscle. More muscle can actually slow you down and make you worse at cross country. If you want to get jacked, try a different sport.<br><b>References : </b><br> they’re all skinny because for cross country you need less muscle. More muscle can actually slow you down and make you worse at cross country. If you want to get jacked, try a different sport.
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