{
  "id": "BL40",
  "name": {
    "en": "Weizhong",
    "gloss": "Bend Middle",
    "zh-Hant": "委中",
    "zh-Hans": "委中"
  },
  "channel": {
    "id": "BL",
    "order": 40,
    "of": 67
  },
  "location": {
    "text": "膝後橫紋正中，兩條筋腱之間。"
  },
  "for": [
    "腰背痛",
    "下肢無力"
  ],
  "press": {
    "text": "屈膝，以指腹輕按，每條腿約一分鐘。",
    "seconds": 60,
    "sides": "both"
  },
  "cautions": [
    "膝後靜脈曲張、腫脹或觸痛時不按。"
  ],
  "source": "《靈樞·本輸》",
  "url": "https://acupoints.com/zh-hant/points/bl40",
  "lastReviewed": "2026-08-24"
}