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Acupoint Prescription for Lower Extremity Weakness (Foot Asthenia)

Acupoint Prescription for Lower Extremity Weakness (Foot Asthenia): ST36, GB39, BL62, SP4
腳弱無力(下肢痿軟)配穴解析:足三里、絕骨、申脈、公孫
Clinical Focus|臨床重點: This prescription strategically combines tonification (ST36), sinew/marrow support (GB39), and the functional control of the Qi in the lower body through the Eight Extraordinary Vessels (BL62, SP4) to treat weakness and instability of the legs and feet.
此配方策略性地結合了補益(足三里)、筋髓支持(絕骨),以及透過八脈交會穴(申脈、公孫)對下半身氣機的功能控制,以治療腿腳無力和不穩。
Overview: Tonifying the Spleen and Regulating Motor Control (扶正助動)

Lower extremity weakness (腳弱無力) is often linked to the inability of the Spleen/Stomach to generate sufficient Qi and Blood to nourish the muscles (痿證 principle), combined with central or peripheral nervous system impairment. The treatment must encompass both **Fuzheng (strengthening the root)** and **motor activation** through major regulatory channels.

腳弱無力常與脾胃無法產生足夠氣血來濡養肌肉有關(痿證原理),並伴隨中樞或周圍神經系統的損害。治療必須同時包含**扶正(強化根基)**和透過主要調節經脈進行**運動激活**。

Mechanism Analysis by Functional Group
依功能分組的機制解析
I. Root Nourishment and Marrow Support
I. 根基濡養與骨髓支持
  • **Zusanli (ST36):** The major point for **tonifying Qi and Blood** (補益氣血). It ensures the lower limbs receive adequate nourishment from the post-heaven essence, which is essential for reversing muscle weakness (痿證治本).
    **足三里(ST36):** **補益氣血**的主要穴位。它確保下肢從後天精華中獲得足夠濡養,對於逆轉肌肉無力至關重要。
  • **Juegu (GB39):** The Influential Point of Marrow (髓會). It **strengthens the sinews and bones** (強筋健骨) and is crucial for treating neurogenic and motor deficits, directly supporting the deep structure of the leg.
    **絕骨(GB39):** 髓會。它**強健筋骨**,對於治療神經源性及運動功能障礙至關重要,直接支持腿部的深層結構。
II. Extraordinary Vessel Control (Motor Balance)
II. 奇經八脈控制(運動平衡)
  • **Shenmai (BL62):** Master point of the Yang Qiao Mai (陽蹺脈). The Yang Qiao Mai controls body movement and openness/closure of the eyes. BL62 directly **regulates lower limb mobility and balance** (利腰腿,調平衡), making it essential for foot weakness and gait issues.
    **申脈(BL62):** 陽蹺脈主穴。陽蹺脈控制肢體活動。申脈直接**調節下肢活動性和平衡**,對腳弱和步態不穩至關重要。
  • **Gongsun (SP4):** Master point of the Chong Mai (衝脈). While primarily abdominal, it synergizes with BL62 to regulate the Qi flow through the Chong and Ren Mai, ensuring the abdominal Qi mechanism supports the ascending of Spleen Qi and the overall stability of the center.
    **公孫(SP4):** 衝脈主穴。與申脈協同,調節衝任二脈氣機,確保中焦氣機穩定,從而支持脾氣升清和整體穩定。
Clinical Conclusion

This four-point prescription provides a robust and multi-faceted treatment for lower limb motor impairment. It combines systemic strengthening (ST36), neurological/structural support (GB39), and dynamic functional regulation via the Extraordinary Vessels (BL62, SP4), making it suitable for chronic or degenerative weakness (e.g., in elderly or post-stroke patients).

這個四穴配方為下肢運動功能障礙提供了強大而多層次的治療。它結合了全身強化(足三里)、神經結構支持(絕骨)以及通過奇經八脈的動態功能調節(申脈、公孫),適用於慢性或退行性無力(例如老年人或中風後患者)。

🔽 References|參考文獻(折疊) Click to expand|點擊展開
  1. 王雪苔. **針灸學**. 人民衛生出版社; 2010. (關於八脈交會穴在四肢癱瘓和奇經病症中的應用)
  2. 高樹中. **針灸臨床應用與研究**. 人民衛生出版社; 2012. (關於足三里、絕骨在扶正祛邪和運動系統疾病中的配合應用)
  3. 張樹劍. **針灸臨證配穴指南**. 中國中醫藥出版社; 2019. (闡述申脈、公孫調節整體氣機的機理)

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