LOCATION
On the lateral side of the neck, 1 cun below LI 18 on the posterior border of the SCM.
Features
Precaution
LI17 is located close to the trachea, do not massage excessively.
Body Inches (cun)
Each person has his/her own personal body inches.
One cun is equal to the width of the Knuckle of the thumb.
Nerves, vascular
Supraclavicular nerves, phrenic nerve, superficial jugular vein.
Indication
Hyperthyroidism，pharyngolaryngitis，hyoid muscle paralysis；
lymphoid tuberculosis，tonsillitis。Sore throat, loss of voice, sensation of something “stuck” in the throat
Combinations
Swelling and sore throat：LI 17 & ST 11 & BL 17.
Aphonia：LI 17 & PC 05.
穴位
在頸外側部，胸鎖乳突肌後緣，當結喉旁，扶突穴與缺盆連線中點。
特點
注意
天鼎穴位置靠近氣管，不可用力過度按摩。
同身寸
針灸取穴比量法。出自《千金要方》。
是指以患者本人體表的某些部位折定分寸，
作为量取穴位的長度單位。
穴區神經血管
鎖骨上神經，膈神經，頸外淺靜脈。
主治病症
甲狀腺腫，喉炎，舌骨肌麻痺症；頸淋巴結核，扁桃體炎，暴喑氣梗，咽喉腫痛，咳嗽，上肢麻木，失語，瘰癧，癭氣。
穴位配伍療法
咽喉腫痛：1.天鼎 2.氣舍 3.膈俞
失音：1.天鼎 2.間使