Location
On the shoulder directly above the nipple at the midpoint of the line connecting du14 and acromion the at the highest point of the shoulder.
Cautions
Contraindicated during pregnancy; risk of pneumothorax.
Indications
Conditions for which GB21 is listed as indicated. An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.
Breast AbscessBreast AbscessAngina Microvascular Cardiac SyndromeAngina Microvascular Cardiac SyndromeBenefit BreastsBenefit BreastsBenefit Descend QiBenefit Regulate QiAbnormal Uterine BleedingAbnormal Uterine BleedingBoil / FuruncleBoil FuruncleCarbuncleCoughCounterflow Inversion Arm Following MiscarriageCounterflow Inversion Arm Following MiscarriageCounterflow Inversion Leg Following MiscarriageCounterflow Inversion Leg Following MiscarriageKidney DeficiencyKidney DeficiencyDepressionDescend QiPsychological DisorderPsychological DisorderSteaming Bone DisorderSteaming Bone DisorderShortness of BreathGoiterHemiplegiaUnable to Raise ArmStiff NeckImmobility Arm RaisingImmobility NeckInjury Body Acute ClimateInjury Body Acute ClimateInjury Heart GriefInjury Heart GriefInjury Kidneys DampInjury Kidneys DampInjury Kidneys FatigueInjury Kidneys FatigueInjury Liver AngerInjury Liver AngerInjury Lungs Cold Food DrinkInjury Lungs Cold Food / DrinkInjury Seven InjuriesInjury Seven InjuriesInjury Spleen - Over FullnessInjury Spleen- Over-fullnessInjury Will Fear & IndulgenceInjury Will Fear & IndulgenceLabour Expedite DeliveryLabour Expedite DeliveryLabour ProlongedLabour ProlongedLactation LossLactation LossNodulesPainArm PainArm PainBack PainBack PainLower Back PainLower Back PainBreast PainBreast PainHeadacheHeadacheNeck PainNeck PainShoulder PainShoulder PainSpleen PainSpleen PainPhlegmQi HeartQi HeartQi LegQi LegRebellion QiRebellion QiFacial RednessFacial RednessRegulate QiRetention PlacentaRetention PlacentaScrofulaChannel StagnationChannel StagnationWind Taxation SyndromeWind-taxation SyndromeTaxation Five TaxationsTaxation Five TaxationsVoice Loss WindstrokeVoice Loss WindstrokeStroke
Protocols using GB21
- Hypogalactia, Breastfeeding Insufficiency, Lactation Postpartum – LU01, LI04, ST17, ST18, SP20, SI01, BL17, BL18, BL20, BL21, GB21, CV17 (https://doi.org/10.1186/s13643-025-02773-8)
- Cervical Spondylosis, Neck Pain – GB21, GV14 (https://doi.org/10.13703/j.0255-2930.2005.09.004)
- Acupuncture, Neck Pain – GB20, GB21, GV14 (The CX-DZ-Ⅱ Intelligent Electroacupuncture Instrument for Neck Pain. ClinicalTrials.gov NCT03005301)
- Shoulder Pain, Neck Pain, Stiffness Neck, Limited-range-of-motion Cervical – GB21 (https://doi.org/10.3389/fmed.2025.1701076)
- Childbirth Pain, Labor Pain – GB21 (https://doi.org/10.4103/ijnmr.IJNMR_257_19)
- Neck Pain, Cervicalgia – SI12, SI14, BL11, BL12, TB15, GB21 (https://doi.org/10.1186/s12906-025-04891-1)
- Dizziness, Cervical Spondylosis, Neck Pain, Arm Numbness, Leg Weakness, Stiffness Neck – SI03, SI11, BL10, GB20, GB21 (https://doi.org/10.3233/THC-228048)
- Labor Pain, Anxiety Labor, Fear Delivery – GB21 (https://doi.org/10.17795/nmsjournal19948)
- Neck Pain, Headache Tension-type, Whiplash – SI14, GB21, GV14, GV20 (https://doi.org/10.3390/jcm13154457)
- Shoulder Pain, Adhesive Capsulitis – LI15, LI16, SI11, TB14, GB21 (https://doi.org/10.3390/toxins13090608)
- Shoulder Pain – LI11, LI15, LI16, SI03, SI09, SI10, SI11, TB14, GB21 (https://doi.org/10.3390/toxins13090608)
- Shoulder Pain, Paralysis Hemiplegia, Stroke Sequela – LI15, SI11, SI12, TB14, GB21 (https://doi.org/10.1155/2013/504686)