As last year’s regular season wound toward the playoffs, there was some form of miscommunication when Harden was scheduled for morning treatment on his bothersome hamstring, sources said. After another late night out, Harden told Brooklyn staffers his legs felt fine. But after four minutes and 22 seconds of action against the New York Knicks on April 5, he reaggravated the injury that eventually sidelined him against the Milwaukee Bucks in the Eastern Conference semifinals.