Moseley, G. Lorimer. The graded motor imagery handbook. Noigroup publications, 2012.
There is lots of information about Graded Motor Imagery at gradedmotorimagery.com/ and evidence-based multimedia resources and courses for the treatment of pain at noigroup.com/.
For a very gentle introduction to Qigong, buy the DVD (Amazon $16.95) or watch on YouTube: Qigong Master Wang: Six Qigong Exercises.
A more active Qigong can also be found on YouTube: Medical Qigong.