Intersecting point of hand and foot shaoyang .

bubble_chart Etymology

"Yi" (翳) originally refers to a feather fan, used for covering. "feng" (風), wind. The acupoint is located in front of Fengchi (GB20) at root of ear, concealed by earlobe.

bubble_chart Location

Yifeng (TE17) acupoints
(adapted from "Meridians and Acupoints")

• Zhenjiu Jiayi Jing: "In the depression behind ear, pressing it affects middle ear";
• Zhenjiu Jicheng: "At root of ear, 0.5 cun away from ear".

bubble_chart Anatomy

• Muscles: from superficial to deep: sternocleidomastoid muscle, splenius capitis muscle, longissimus capitis muscle, posterior belly of digastric muscle.
• Nerve: great auricular nerve, deep to the point where facial nerve trunk exits skull.
• Vessels: postauricular artery and vein, superficial external jugular vein.

bubble_chart Manipulation

Insert upward or toward inner canthus of opposite eye, 1 to 1.5 cun in depth. For treating deafness, insert upward and inward; for treating muteness, insert downward and inward. For facial paralysis, insert toward the upper and lower parts of anterior mandible. Avoid direct moxibustion; moxibustion with moxa sticks for 5 to 15 minutes.

bubble_chart Efficacy

Benefit cheek, improve hearing, correct facial deviation.

• Classical: tinnitus, deafness, crooked mouth and eyes, lockjaw, swollen cheeks, toothache, scrofula, sudden aphonia, acute pain in jaw, itching and dampness in ear, redness, swelling, and pain of ear, blurred vision.
• Modern: facial paralysis, mumps, deafness and dumbness, temporomandibular arthralgia.

bubble_chart Combinations

• Deafness with qi blockage:Tinghui (GB2), Yifeng (TE17).
• Acute aphonia: Yifeng (TE17), Tongli (HT5).
• Acute mumps, Yifeng (TE17), Jiache (ST6), Hegu (LI4).
• Neck scrofula: Yifeng (TE17), Tianjing (TE10), Zulinqi (GB41).