If you got that "stiff-and-hard-to-achieve" system of staying fit, Parkour is here to end that old-fashioned mentality. Video by INQUIRER.net's Nestor Corrales. <br /><br />Visit us at http://www.inquirer.net<br />Facebook: http://facebook.com/inquirerdotnet<br />Twitter: http://twitter.com/inquirerdotnet