委中、治膝不得屈伸。取其经血立愈。（铜见腰脊。）肾俞、治脚膝拘急。足寒如水。
（见
明）髀关、疗膝寒不仁。痹痿。不屈伸。梁丘、疗胫痛冷。痹膝痛。不能屈伸。悬钟、
疗腿膝连膝胫麻痹。屈伸难。（下）又云、膝胫连腰痛。筋挛急。足不收履。坐不能起。蠡
沟、疗足寒胫酸。屈伸难。（见疝。）巨虚、疗脚胫酸痛。屈伸难。不能久立。甄权云、
主大气不足。偏风 腿。脚不相随。风市、疗胫麻膝痛。（见腰脚。）三里、疗四肢肿满。
腿膝酸痛。三阴交、疗膝内廉痛。小便不利。身重。足痿不能行。（下）京骨、疗腿膝胫
痿。脚挛不得伸。癫病狂走。自啮。膝胫寒。跗阳、疗腿膝胫酸。（见腰脚。）承山、疗
脚酸膝重。（见腰脚。）阳陵泉、疗膝股内外廉痛不仁。屈伸难。风市、主两膝挛痛。引
胁拘急 。或青或焦。或枯或黧如腐木。绝骨、主膝胫骨摇。酸痹不仁。髀关、主
寒不仁。痿痹。不得屈伸。（明同。）犊鼻、主膝不仁。难跪。光明、主痿 。坐不能起
。明下云、膝胫酸痹不仁。手足偏小。坐不能久。膝关、主膝内廉痛引膑。不可屈伸。
曲泉、主膝不可屈伸。曲泉、梁丘、阳关、主筋挛膝不得屈伸。不可行。解溪、条口、
丘墟、太白、主膝股肿。 酸转筋。上廉、主风水膝肿。（千）中封、主膝肿。（见身湿
。）解溪、治膝股 肿。（铜见风。）复留、主脚后廉急。不可前却。承山、承筋、主
脚筋急痛。昆仑、主脚如结。踝如别。（铜作裂。）京骨、承山、承筋、商丘、主脚挛。
膀胱俞、治拘急。（见足杂病。）
Weizhong (BL40) treats inability to flex and extend the knee. Pricking the channel to bleed leads to immediate recovery. (See "Lumbar and Spine" section.) Shenshu (BL23) treats cramping and urgency in the feet and knees. Coldness of the feet as if immersed in water. (See "Ming" section.) Biguan (ST31) treats coldness and numbness of the knee. Bi syndrome and Wei syndrome. Inability to flex and extend. Liangqiu (ST34) treats pain and coldness of the lower leg. Knee pain due to Bi syndrome. Inability to flex and extend. Xuanzhong (GB39) treats paralysis of the thigh, knee, and lower leg. Difficulty in flexion and extension. (Below) It also states: Pain in the knee, lower leg, and lumbar region connected together. Muscle spasm and urgency. The foot is weak and cannot bear shoes or walk. Difficulty rising from a sitting position. Ligou (LR5) treats coldness of the foot and soreness of the lower leg. Difficulty in flexion and extension. (See "Hernia" section.) Juxu (referring to Shangjuxu ST37 or Xiajuxu ST39) treats soreness and pain in the foot and lower leg. Difficulty in flexion and extension. Inability to stand for long periods. Zhen Quan stated: It primarily treats insufficiency of Great Qi. Hemiplegia affecting the legs due to Wind. The feet do not move in coordination. Fengshi (GB31) treats numbness of the lower leg and knee pain. (See "Lumbar and Feet" section.) Zusanli (ST36) treats swelling and fullness of the four limbs. Soreness and pain in the legs and knees. Sanyinjiao (SP6) treats pain on the medial aspect of the knee. Difficult urination. Heaviness of the body. Foot weakness making walking impossible. (Below) Jinggu (BL64) treats atrophy of the thigh, knee, and lower leg. Foot cramping with inability to extend. Manic epilepsy with running about. Self-biting. Coldness of the knee and lower leg. Fuyang (BL59) treats soreness of the thigh, knee, and lower leg. (See "Lumbar and Feet" section.) Chengshan (BL57) treats soreness of the foot and heaviness of the knee. (See "Lumbar and Feet" section.) Yanglingquan (GB34) treats pain and numbness on the medial and lateral aspects of the knee and thigh. Difficulty in flexion and extension. Fengshi (GB31) primarily treats cramping pain in both knees. Pulling sensation and cramping in the hypochondrium. Skin color may be cyanotic or dark, dry or sallow like rotten wood. Jiegu (GB39, synonymous with Xuanzhong) primarily treats instability of the knee and lower leg bones. Soreness, numbness, and Bi syndrome. Biguan (ST31) primarily treats coldness and numbness. Atrophy and Bi syndrome. Inability to flex and extend. (Same as the "Ming" section.) Dubi (ST35) primarily treats numbness of the knee. Difficulty in kneeling. Guangming (GB37) primarily treats Wei syndrome. Difficulty rising from a sitting position. Ming Dynasty texts state: Soreness, numbness, and Bi syndrome in the knee and lower leg. Hands and feet are disproportionately small. Inability to sit for long periods. Xiguan (EX-LE5) primarily treats pain on the medial aspect of the knee radiating to the patella. Inability to flex and extend. Ququan (LR8) primarily treats inability to flex and extend the knee. Ququan (LR8), Liangqiu (ST34), and Yangguan (EX-LE7) primarily treat muscle spasms and inability to flex and extend the knee. Inability to walk. Jiexi (ST41), Tiaokou (ST38), Qiuxu (GB40), and Taibai (SP3) primarily treat swelling of the knee and thigh. Soreness and muscle twitching. Shanglian (EX-LE1) primarily treats knee swelling caused by Wind-Water. (Qianjin Fang) Zhongfeng (LR4) primarily treats knee swelling. (See "Body Dampness" section.) Jiexi (ST41) treats swelling of the knee and thigh. (Tongren Acupoints and Meridian Acupuncture and Moxibustion Illustrated Manual, see "Wind" section.) Fuliou (KI7) primarily treats urgency and cramping on the lateral posterior aspect of the foot. Inability to move forward or backward. Chengshan (BL57) and Chengjin (BL56) primarily treat cramping pain of the foot tendons. Kunlun (BL60) primarily treats the feeling that the foot is bound. The ankle feels as if separated. (Tongren Acupoints and Meridian Acupuncture and Moxibustion Illustrated Manual reads "cracked".) Jinggu (BL64), Chengshan (BL57), Chengjin (BL56), and Shangqiu (SP5) primarily treat foot cramping. Pangguangshu (BL28) treats cramping and urgency. (See "Miscellaneous Diseases of the Foot" section.)