WhiteRaven, qigong (Chi Kung) is a method to achieve enlightenment. It has therapeutic forms and martial forms, and the mere fact of practice improves overall health. I do Chi Kung, martial and therapeutic forms, my body is very grateful (not much when hitting the rock).
About Reiki ... I have bad opinion, I'm second level. I left when I was told I needed a symbol to work remotely. I had like three or four years doing without symbols or Reiki. I think is all about money.