A series of (rather difficult) exercises designed to improve balance and core strengh, good for muscle toning. Easy to do anywhere, so you can stay fit on your round trip journey to Japan. Involves lots of stretching.
I feel all tense, I'm gonna take a shower and do some yoga
I want to lose 5 pounds, I'm going to start yoga
I"ll be away form my gym, but I can just do some yoga to keep fit