Chinese with English and Simplified Chinese subtitles. Patella osteomalacia is a disease of the knee joint ache. This video explains in detail the pathogen and diagnoses of the disease with emphasis on the massage operation. It describes common acupoints for curing it, basic techniques and precautions in the treatment. The introduction in the DVD is professional, clear, and vivid. It is easy to understand, practical and maneuverable. This video suits both professional and non-professional audience.