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Treats contusions and sprains, sudden strain pain, and wind-dampness qi pain.
Danggui (Angelicae Sinensis Radix), Chuanxiong (Ligustici Chuanxiong Rhizoma), Cangzhu (Atractylodis Rhizoma), Xiangbaizhi (Angelicae Dahuricae Radix), Chishao (Paeoniae Radix Rubra), Mubiezi (Strychni Semen), Dahuang (Rhei Radix et Rhizoma), Caowutou (Aconiti Kusnezoffii Radix) (each 5 qian), Xiangyou (Sesame Oil), Qingshui (Asphaltum), Songxiang (Rosin), Ruxiang (Olibanum, ground separately), Moyao (Myrrha, ground separately, each 2.5 qian). The first eight herbs are boiled together with 4 liang of sesame oil until the dregs are removed. Then add Qingshui and Songxiang, adjusting the consistency according to temperature: softer in winter, harder in summer. Ruxiang and Moyao are added when applying the plaster. After contusions heal, if the skin shows bruising and swelling, select large, entirely yellow eggplant seeds, slice them to the thickness of a finger, bake them on tiles until dry, grind into powder, mix with wine, take 2 qian before sleep, and it will disappear overnight without a trace.

Shoulder and back pain so severe that one cannot turn the head, along with spinal pain and neck stiffness, where the waist feels like breaking and the neck feels like being pulled, is caused by stagnation of Taiyang Qi and failure of meridians to circulate. Tongqi Fangfeng Tang is appropriate. For shoulder and back heaviness and pain due to damp-heat, Danggui Jiantong Tang is indicated. For sweating, frequent urination, and yawning, this is wind-heat attacking the Spleen, causing Spleen Qi stagnation leading to shoulder and back pain; Shengma Chaihu Tang is suitable. For shoulder and back pain caused by phlegm-fluid retention flowing into the area, Daotan Tang is appropriate. When Kidney Qi does not follow its normal path, and rebellious Qi carries upward along the back causing shoulder and back pain, Heqi Yin is used, with a small amount of salt-fried Huixiang (Foeniculi Fructus). For spinal and back pain caused by physical labor or prolonged sitting while reading chess books, Buzhong Yiqi Tang or Bawu Tang plus Huangbo (Phellodendri Cortex) is prescribed. For excessive pain after drunkenness and overeating, wanting to be beaten, this is Spleen failing to transform and damp-heat causing discomfort; one should strengthen the Spleen to overcome dampness and must moderate alcohol intake. However, the back is the mansion of the chest; thus, the Lung governs Qi and resides in the chest. Lung Qi stagnation causes blood vessels to congeal; Lung Qi deficiency fails to circulate Yang pathways; phlegm in the Lung flowing to the shoulder and back can all cause distension and pain. A young man who was newly married and fatigued suffered from chest and shoulder/back pain; his pulse at the Right Cun and Guan positions was deficient, large, and powerless. He was given Buzhong Yiqi Tang; symptoms reduced after one dose and resolved completely after two doses.

Whenever arms are attacked by wind-cold-dampness, or due to phlegm flow and Qi stagnation, or lifting heavy objects, arm pain results. Generally, food stagnates internally, blocking the Zhongwan area. The Spleen governs the four limbs; Spleen stagnation prevents Qi from descending, so it attacks the arms upwards causing pain, characterized by a deep and fine pulse. If arm pain is due to heavy lifting and injury, with Blood deficiency failing to nourish tendons, the pulse must be flooding and large. Some cases present with swelling, others without. For those caused by wind-cold, Wuji San plus Qianghuo is used. For those caused by dampness, Juanbi Tang plus Cangzhu is used. For those caused by phlegm, Daotan Tang is used. For those caused by Qi stagnation, Wuyao Shunqi San is used. For severe tendon injuries from lifting, Ji Lao San or Heqi Yin plus Jianghuang (Curcumae Longae Rhizoma) is used, because Jianghuang enters the arm channels. If sitting or lying down exposes one to wind-dampness, causing pain only upon exposure to external cold, Qianghuo San is indicated. If excessive drinking leads to damp-phlegm retention, Erchen Tang plus Nanxing (Arisaematis Rhizoma Preparatum), Cangzhu, Guizhi (Cinnamomi Ramulus), and Jiu Huangqin (Scutellariae Radix prepared with wine) is prescribed. For cases where Blood fails to nourish tendons, Siwu Tang plus Jianghuang and Qinjiao (Gentianae Macrophyllae Radix) is used. For cases caused by Qi and Blood stagnation and meridian obstruction, Shujin Tang is indicated.

Li Dongyuan stated: There are six pathways for arm pain, and adding guiding herbs to each yields verification. Extend both hands downwards, with the thumb forward and little finger backward to determine the location. Pain on the anterior margin belongs to the Yangming channel; use Shengma (Cimicifugae Rhizoma), Gange (Puerariae Lobatae Radix), and Baizhi (Angelicae Dahuricae Radix) as guides. Pain on the posterior margin belongs to the Taiyang channel; use Gaoben (Ligustici Jingweii Rhizoma) and Qianghuo (Notopterygii Rhizoma et Radix) as guides. Pain on the lateral margin belongs to the Shaoyang channel; use Chaihu (Bupleuri Radix) as a guide. Pain on the medial margin belongs to the Jueyin channel; use Chaihu and Qingpi (Citri Reticulatae Pericarpium Viride) as guides. Pain on the anterior-medial margin belongs to the Taiyin channel; use Shengma, Baizhi, and Congbai (Allii Fistulosi Bulbus) as guides. Pain on the posterior-medial margin belongs to the Shaoyang channel [Note: Text says Shaoyang, typically associated with Taiyang or Shaoyin in other contexts, but translating strictly]; use Xixin (Asari Radix et Rhizoma) and Duhuo (Angelicae Pubescentis Radix) as guides.