Zen Do (“the correct path”) was invented by Rafael Nieto, director of the new Karmaa Martial Arts Centre at London’s Camden Lock. It’s a blend of karate, oriental kicking, boxing and self-defence. Aficionados include Jonny Lee Miller, Jude Law and Sadie Frost. Available at the Karmaa Martial Arts Centre. T: +44(0)20 7485 7474, membership only, but introductory classes available. Also Pilates, yoga, ta’i chi and massage.