The warm, hard stones on our kitchen floor is where I lay down and coax my bones back into alignment using several tried and true yoga postures. The bridge, cat, and side twists poses restore my back. Shoulder, arm and wrist stretches take the repetitive strain from my computer out of my body. But lately, I have a yogic companion who has her own agenda. Today’s episode of “The Adventures of Graticat” shows how my cat is changing my yoga practice.