BL-65 (Shu Gu) Bundle Bone

What does BL-65 Shu Gu do?

BL-65 is the Shu-Stream and Wood point of the Bladder channel — and because the Bladder is a yang WATER channel, Wood is Water’s child, which makes BL-65 the channel’s SEDATION point. Its recorded actions are directed at the head, at heat, and at the channel itself.

• Clears the head and eyes — the distal action on the longest channel in the body
• Clears heat and dissipates swelling
• Activates the channel and alleviates pain — the local and channel action

The Bladder five-shu roles, derived from this site’s own element records: BL-67 Zhi Yin is Metal, BL-66 Tong Gu is Water, BL-65 is Wood, BL-60 Kun Lun is Fire, BL-40 Wei Zhong is Earth. The channel is yang Water, so:

• Sedation (child) point — BL-65 Shu Gu (Wood, the child of Water) — this point
• Tonification (mother) point — BL-67 Zhi Yin (Metal generates Water)
• Horary point — BL-66 Tong Gu (Water on a Water channel)
• No named role — BL-60 (Fire, which Water controls) and BL-40 (Earth, which controls Water)

Why a distal point on the foot clears the head. The Bladder channel is the longest in the body: it begins at the inner eye at BL-01, crosses the scalp, runs the whole length of the back in two lines, and finishes at the little toe. BL-65 sits near that far end, so its head and eye indications are the channel’s own logic — the same relationship our ST-42 record describes between the foot and the upper teeth.

Source: Sacred Lotus sources & references (channel, element and action records; the full Bladder five-shu series queried and verified against our own data), cross-referenced against multiple online sources.

What is BL-65 Shu Gu used for?

BL-65 is used for headache, neck rigidity and blurred vision, for back and leg pain, and for mania. Our own indication record is reproduced here in full.

• Headache
• Neck rigidity
• Blurring of vision
• Backache
• Pain in the lower extremities
• Mania

The head-and-back group is the channel in miniature. Headache, stiff neck, blurred vision and backache trace the Bladder channel from the eye over the scalp and down the spine — every one of them a place the channel goes. Leg pain is the segment the point itself sits on.

An honest note. Mania and severe mental disturbance require medical diagnosis and management, and this record describes a classical category rather than a modern diagnosis. Sudden severe headache with neck rigidity is a combination that needs urgent medical assessment — it is not a presentation to work through. This record describes classical use and should not delay care.

An overlap worth naming. Our BL-66 Tong Gu record, the next point along, gives headache, neck rigidity, blurred vision and mania — four of BL-65’s six, on a point half an inch away. That is real duplication in the source material, not an error in either record, and a reader comparing the two should know the distinction between them lies in the five-shu role (sedation versus horary) rather than in the indication list.

How it is combined. With BL-64 Jing Gu, the Yuan-Source point, immediately proximal, and BL-63 Jin Men, the Xi-Cleft point, behind it. With BL-60 Kun Lun at the ankle. With BL-10 Tian Zhu and GB-20 Feng Chi for the neck. All held here.

Source: Sacred Lotus sources & references (indication record; the BL-66, BL-64, BL-63, BL-60, BL-10 and GB-20 records queried from our own data), cross-referenced against multiple online sources.

Where is BL-65 Shu Gu located?

BL-65 is on the outer edge of the foot, in the hollow just behind and below the head of the fifth metatarsal — the knuckle at the base of the little toe.

• Posterior and inferior to the head of the fifth metatarsal, on the lateral border
• At the junction of the darker and paler skin along the side of the foot, the boundary the classical texts use here
• BL-66 Tong Gu lies just distal, past the joint; BL-64 Jing Gu and BL-63 Jin Men lie proximal, around the tuberosity at the other end of the same bone

Four points along one bone. BL-63, BL-64, BL-65 and BL-66 all sit against the fifth metatarsal — two at its base, one at its head, one beyond the joint — and they carry four different roles: Xi-Cleft, Yuan-Source, sedation and horary. The fifth metatarsal is one of the most useful landmarks in the foot precisely because both its ends are palpable, and this library’s repeated caution applies: mistaking one of these for a neighbour substitutes a category.

On the name. “Shu Gu” means Bundle Bone or Restrained Bone — a reference to the metatarsal head the point sits against. Positional, like its neighbour BL-66 Tong Gu (Valley Passage) and like ST-43 Xian Gu (Sunken Valley) on the other side of the foot.

Source: Sacred Lotus sources & references (location and translation records, retained unchanged; BL-63, BL-64, BL-66 and ST-43 records queried from our own data).

• A Manual of Acupuncture (p. 324): On the lateral side of the foot, in the depression posterior and inferior to the head of the fifth metatarsal bone.
• Chinese Acupuncture and Moxibustion (p. 190): Posterior to the fifth metatarsophalangeal joint, at the junction of the red and white skin.

How is BL-65 Shu Gu needled?

The standard texts record perpendicular insertion to roughly 0.3–0.5 inch, with moxibustion applicable. What follows is a neutral record of what the reference literature documents, not instruction for a reader.

• Angle and depth as recorded: perpendicular, 0.3–0.5 inch.
• Moxibustion: recorded as applicable.
• Regional anatomy: abductor digiti minimi lies along the lateral border of the foot; the lateral plantar nerve and artery give branches into the region; the fifth metatarsal head forms the floor.

Hazard, stated proportionately. This is a low-hazard point: no body cavity, no major vessel, no large nerve trunk, and bone immediately beneath. The lateral border of the foot is thinly covered, which is a matter of sensation rather than danger and is recorded here as such.

What is not claimed. No study measuring a safe depth at BL-65 could be located, and none is borrowed. The paediatric chest-CT study this library uses for measured depths covers 23 named points on the trunk and does not reach the foot. No case report naming BL-65 was located, and none is asserted.

Source: Sacred Lotus sources & references (needling record, retained unchanged; the point list of PMID 26922245 / PMC4769822 queried from our own data and confirmed not to include BL-65), cross-referenced against multiple online sources; regional anatomy from standard anatomical description.

Is there research on BL-65, and what should a reader know?

No trial isolates BL-65. Where the point appears it is one component of a headache, low-back or channel protocol, and a study that includes a point in a protocol is not evidence about that point.

Where this channel’s evidence actually sits. Attention on the Bladder channel has gone to BL-40 Wei Zhong and BL-23 Shen Shu for low back pain and to BL-67 Zhi Yin for breech presentation — and our BL-67 record sets out what that literature does and does not support. None of it transfers here.

What this page can state with confidence. BL-65 is the Wood point of a yang Water channel, and Wood is Water’s child, which makes it the sedation point — checkable against our own element records, and consistent with BL-67 as tonification and BL-66 as horary derived from the same column. And its indication list overlaps its immediate neighbour’s by four of six entries, which is a real feature of the source material worth disclosing rather than smoothing over.

A note on searching for it. “BL 65”, “UB 65” and “Shugu” searches return protocol trials and unrelated material — Shugu matches place names and personal names. Note also that our library codes this channel BL- while some sources use UB- for urinary bladder. Any claim attached to this point should be checked against what a study actually used.

Source: Sacred Lotus sources & references (element and indication records; the Bladder five-shu series and the BL-40, BL-23 and BL-67 records queried from our own data).