It's very close to mechanical optimization. Basically you want to move as efficiently as possible. Tai chi is a series of movements that alternate balance and

It's very close to mechanical optimization. Basically you want to move as efficiently as possible. Tai chi is a series of movements that alternate balance and weight between your feet. You always end up with your weight on one side or the other, or you are in the process of shifting your weight to one side. You learn to "relax and listen"