Both SI 16 & SI 17 are Window of the Sky Points and are useful for throat distention, swelling, goiters, lumps in neck a/or throat, voice issues.
Ear issues - tinnitus, deafness, pain.
Local point for neck and/or shoulder problems.
Tong Ren/Tam Healing System: Used to effect the circulation within the vertebral artery and the occipital artery. Useful for occipital headache, alzheimer's, brain tumors, dyslexia, MS, and many brain issues related to circulation. Often used with Tian Dong as a starting point.
Falls into the category of Window of the Sky points within the Tam Healing system.