For those of us too lazy, poor or contrary to jump on the yoga bandwagon, there are many ways to justify our indolence. But rarely do we invoke higher powers. Not surprisingly, yoga's getting big in Israel. But for the country's sizable Orthodox population, it's the subject of hot debate. The issue? Many yoga practitioners involve Hindu chants dedicated to multiple deities in their practices, which flies in the face of the Jewish injunction to worship only one God.