# XL05A Neixiyan (Medial Eye Of The Knee) – Extra Points: Lower limbs

内膝眼 · nèi xī yǎn

Location: When the knee is flexed, in the depression medial to the patellar ligament. The medial member of the Xiyan (EX-LE 5) pair; EX-LE 4 (Neixiyan) denotes this point alone.

Cautions: Avoid in acute knee injuries.

Canonical page: https://acuiq.com/points/xl05a

## Indications

An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.

Leg Muscle Wasting, Leg Muscle Wasting, Benefit Circulation, Benefit Circulation, Stiff Knee, Immobility Knee, Knee Numbness, Knee Numbness, Leg Numbness, Leg Numbness, Pain, Knee Joint Pain, Knee Joint Pain, Qi Leg, Qi Leg, Swelling, Wind Damp Syndrome, Wind-damp Syndrome, Knee Joint Weakness, Knee Joint Weakness

## Most often selected alongside XL05A

Sourced protocols in the index pairing each point with this one. Corpus frequency, not a combination to use.

- ST35 (Calf's Nose) – 45 protocols
- SP10 (Sea Of Blood) – 35 protocols
- GB34 (Yang Mound Spring) – 30 protocols
- ST34 (Ridge Mound) – 30 protocols
- ST36 (Leg Three Miles) – 29 protocols
- SP09 (Yin Mound Spring) – 20 protocols
- XL02 (Crane's Summit) – 13 protocols
- SP06 (Three Yin Intersection) – 8 protocols

## Protocols using XL05A

| Symptoms | Points | Course | Source | Kind | Caveat |
|---|---|---|---|---|---|
| Anxiety, Knee Postoperative Rehabilitation, Meniscectomy | LU05, ST35, GB34, XL05A | 28 days | doi:10.13703/j.0255-2930.20221228-0002 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Stiffness Knee | ST35, SP06, SP10, KD03, GB33, LV08, XL05A | 28 days | doi:10.1186/s12906-025-04985-w | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Stiffness Knee | ST34, ST35, ST36, SP10, BL18, BL23, GB33, GB34, XL05A | 14 days | doi:10.1186/s12984-025-01692-y | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Stiffness Knee | ST34, ST35, ST36, SP09, SP10, BL40, GB34, XL05A | 28 days | doi:10.1111/1756-185x.70398 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Stiffness Knee | ST34, ST35, ST36, SP09, SP10, GB34, XL05A | 28 days | doi:10.13703/j.0255-2930.20250223-k0001 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Stiffness Knee | ST35, GB33, LV08, XL05A | 42 days | doi:10.2196/84082 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Stiffness Knee | ST34, ST35, SP10, GB34, XL05A | 14 days | doi:10.13703/j.0255-2930.20240627-0002 | trial | Point selection reported in a published study. |
| Knee Pain, Chronic Pain, Osteoarthritis Knee, Sensitization Central | ST35, SP10, XL02, XL05A | 28 days | doi:10.13703/j.0255-2930.20250807-k0001 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Stiffness Knee, Postoperative Pain | ST31, ST32, ST34, ST35, ST36, SP09, SP10, BL24, BL25, BL40, GB29, GB30, GB34, LV08, LV09, XL02, XL05A | 28 days | doi:10.2147/JPR.S453133 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST34, ST35, ST36, SP10, XL02, XL05A | 28 days | doi:10.13703/j.0255-2930.20200310-k0011 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Knee Problems, Joint Knee Pain | ST35, ST36, SP09, SP10, GB31, GB36, GB39, GB41, XL02, XL05A | 56 days | doi:10.13703/j.0255-2930.20191212-0001 | trial | Point selection reported in a published study. |
| Diabetes, Leg Pain, Leg Numbness, Claudication Intermittent, Disease Arterial Lower-extremity | LI04, LI11, ST36, ST40, ST42, SP03, SP06, SP09, KD03, GB34, XL05A, XL05B, XL10A, XL10B, XL10C, XL10D, XL10E, XL10F, XL10G, XL10H | 105 days | doi:10.12659/MSM.909733 | trial | Point selection reported in a published study. |
| Knee Pain, Swollen Knee, Osteoarthritis Knee, Stiffness Joint | ST34, ST35, ST36, SP09, SP10, GB34, XL05A | 84 days | doi:10.3389/fneur.2022.1026441 | trial | Point selection reported in a published study. |
| Osteoarthritis Knee, Joint Knee Pain | ST35, GB33, GV03, XB08, XL05A | 28 days | doi:10.2147/jpr.s571098 | trial | Point selection reported in a published study. |
| Dysphagia, Muscle Weakness, Amyotrophic Lateral Sclerosis | LI10, LI11, LI14, LI15, ST31, ST32, ST34, ST35, ST36, ST41, SP06, SP10, BL36, BL37, BL40, BL57, GB20, GB30, GB31, GV20, XL05A | 30 days | doi:10.1097/md.0000000000033612 | trial | Point selection reported in a published study. |
| Osteoarthritis Knee | ST34, ST35, ST36, SP09, SP10, XL05A | 28 days | doi:10.1371/journal.pone.0101973 | trial | Point selection reported in a published study. |
| Peripheral Artery Disease Lower Extremity | LI04, LI11, ST36, ST40, ST42, SP03, SP06, SP09, KD03, GB34, XL05A, XL05B, XL10A, XL10B, XL10C, XL10D, XL10E, XL10F, XL10G, XL10H | 105 days | doi:10.12659/MSM.909733 | trial | Point selection reported in a published study. |
| Osteoarthritis Knee | ST34, ST35, SP10, GB34, XL05A | 6 days | doi:10.13703/j.0255-2930.20200708-k0003 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Knee Osteoarthritis Problems | ST34, ST35, ST36, SP10, GB34, XL02, XL05A | 14 days | doi:10.2147/JPR.S634945 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST34, ST35, ST36, XL05A | 28 days | doi:10.13703/j.0255-2930.20210901-k0008 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Stiffness Knee | ST36, GB39, XL02, XL05A | 28 days | doi:10.10372/j.1000-0607.20210079 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST34, ST35, ST36, SP09, SP10, KD10, GB33, GB34, XL05A, XL05B | 42 days | doi:10.1097/MD.0000000000030385 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST34, ST35, ST36, SP10, GB34, XL05A | 42 days | doi:10.13702/j.1000-0607.20210745 | trial | Point selection reported in a published study. |
| Osteoarthritis Knee | ST34, SP09, SP10, GB34, XL02, XL05A, XL05B | 56 days | doi:10.1002/iid3.70430 | trial | Point selection reported in a published study. |
| Osteoarthritis Knee | LI11, ST34, ST35, ST36, SP06, SP10, KD03, GB34, XL05A | – | doi:10.2147/jpr.s578343 | trial | Point selection reported in a published study. |
| Osteoarthritis Knee | ST35, ST36, CV04, XL05A | 30 days | doi:10.13703/j.0255-2930.20220617-k0002 | trial | Point selection reported in a published study. |
| Osteoarthritis Knee | ST34, ST35, SP10, XL05A | – | doi:10.1186/s13018-021-02398-2 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST35, XL05A | 28 days | doi:10.1097/MD.0000000000034537 | trial | Point selection reported in a published study. |
| Knee Problems, Anxiety Postoperative, Knee Postoperative Pain | LU05, ST35, GB34, XL05A | 28 days | doi:10.13703/j.0255-2930.20221228-0002 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST34, ST35, ST36, SP09, SP10, BL40, GB34, XL05A | 28 days | doi:10.2147/JPR.S445770 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | LI11, ST34, ST35, ST36, SP09, SP10, BL40, GB34, XL05A | 28 days | doi:10.2147/JPR.S445770 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST35, ST36, BL11, KD01, GB39, XL05A, XL05B | 28 days | doi:10.13702/j.1000-0607.20221256 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST35, ST36, XL05A, XL05B | 28 days | doi:10.13702/j.1000-0607.20221256 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Postoperative Pain | ST31, ST32, ST34, ST35, ST36, SP09, SP10, BL24, BL25, BL40, GB29, GB30, GB34, LV08, LV09, XL02, XL05A | 28 days | doi:10.2147/JPR.S453133 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST34, ST35, SP09, SP10, GB34, XL05A | 28 days | doi:10.1007/s40122-025-00713-x | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST35, XL05A | 28 days | doi:10.1007/s40122-025-00713-x | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST34, SP09, SP10, GB34, GV03, XL05A, XL05B | 28 days | doi:10.1007/s10067-025-07497-7 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST35, SP06, SP10, KD03, GB33, LV08, XL05A | 28 days | doi:10.1186/s12906-025-04985-w | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST34, ST35, ST36, SP10, BL18, BL23, GB33, GB34, XL05A | 14 days | doi:10.1186/s12984-025-01692-y | trial | Point selection reported in a published study. |
| Osteoarthritis Knee | ST34, ST35, SP10, XL05A | 28 days | doi:10.13703/j.0255-2930.20190422-0005 | trial | Point selection reported in a published study. |
| Osteoarthritis Knee | ST35, ST36, XL05A | 28 days | doi:10.13703/j.0255-2930.20200205-k0003 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST34, ST35, ST36, SP09, SP10, BL40, GB34, XL05A | – | doi:10.1111/1756-185x.70398 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST34, ST35, ST36, SP09, SP10, GB34, XL05A | 28 days | doi:10.13703/j.0255-2930.20250223-k0001 | trial | Point selection reported in a published study. |
| Osteoarthritis Knee | ST34, ST35, SP10, GB34, XL05A | 14 days | doi:10.13703/j.0255-2930.20240627-0002 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST35, SP10, XL02, XL05A | 28 days | doi:10.13703/j.0255-2930.20250807-k0001 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee | ST34, ST35, SP09, SP10, GB34, XL02, XL05A | 42 days | doi:10.1371/journal.pone.0353654 | trial | Point selection reported in a published study. |
| Osteoarthritis Knee | ST34, ST35, SP06, SP10, GB34, XL02, XL05A | 21 days | doi:10.1016/j.wjam.2022.07.009 | trial | Point selection reported in a published study. |
| Osteoarthritis Knee | ST35, ST36, SP10, GB34, XL05A | 28 days | Jie Gao et al.. [Comparison of the clinical therapeutic effects between electroacupuncture and warming needle moxibustion for knee osteoarthritis of kidney deficiency and marrow insufficiency pattern/syndrome].. PubMed, 2012 | text | Point selection recorded in a clinical text or case report. |
| Osteoarthritis Knee | LI04, ST34, ST35, ST36, ST41, SP06, SP09, SP10, KD03, GB34, XL02, XL05A, XL05B | 42 days | Atalay Sevgi Gümüs et al.. The Effect of Acupuncture and Physiotherapy on Patients with Knee Osteoarthritis: A Randomized Controlled Study.. Pain physician, 2021 | text | Point selection recorded in a clinical text or case report. |
| Knee Pain, Bi Syndrome, Fever Rheumatic, Arthritis Rheumatoid, Fibrositis, Neuralgia, Gout, Knee Pain, Bi Syndrome, Fever Rheumatic, Arthritis Rheumatoid | ST35, SP09, GB34, XL02, XL05A | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |

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AcuiQ-authored prose (symptom and meridian descriptions, the wiki, the auricular crosswalk) is licensed CC-BY-4.0: https://creativecommons.org/licenses/by/4.0/. The assembled protocol compilation is not: build on it with attribution, but do not redistribute it whole as a dataset – https://acuiq.com/terms. The underlying findings are the cited sources' claims – each entry carries its citation; verify against the source before relying on it. Not medical advice: https://acuiq.com/terms