Qigong

Here you will find an array of Qigong methods, from Tai Chi, Bagua, and elsewhere.
Qigong is an ancient Chinese art, for cleansing, strengthening, and balancing your body.
It works on both your physical musculoskeletal system, as well as the energy systems of the body
The best place to start is with Standing Qigong Foundations MTG447. MTG10 is also very nice for some other moving Qigongs, from these you have a base and can move onto any of the others.