Did Ninja Have a Special Way of Walking?

A fresh translation

Original text

Words and concepts

• 歩法 (hohō)
  Methods of walking or footwork. The heading promises four articles, already warning against treating a single motion as the whole subject.
• 大泥 / 小泥 (ōdoro / kodoro)
  Deep mud and shallow mud. The contrast is practical and relative: the appropriate response changes with the ground.
• 橇 (sori)
  A sledge or runner-like device. The text sends the reader elsewhere in the work for its diagram and explanation rather than describing it here.
• 抜足 (nuki-ashi)
  A named way of stepping. A literal English gloss such as “withdrawn foot” does not explain its movement, so the term is retained.
• 楊柳枝ノ心
  “The principle of a willow branch.” The phrase gives an image or governing idea, while the following “oral transmission” marks the written explanation as incomplete.

The heading is plural

Questions about “the ninja walk” tend to expect one answer: a distinctive posture, a prescribed placement of the feet, or a silent gait that can be demonstrated apart from any setting. The heading of this passage immediately makes that expectation difficult. It announces four articles on footwork. Movement is a category containing several instructions, not a single trademark step.

The first article then divides its own answer. Deep mud calls for a sledge; shallow mud calls for nuki-ashi. The condition comes before the technique. Instead of telling the practitioner to preserve one ideal form on every surface, the sentence assigns different responses to different degrees of the same obstacle.

This is a small but important feature of the manual’s organization. Classification does not necessarily mean rigidity. A section can name and order methods precisely because circumstances vary. The reader is expected to recognize the ground, judge which description fits, and move to the relevant part of the tradition.

Mud, not theatrical silence

The quoted article says nothing about looking mysterious. It does not mention a black costume, an audience, or even silence. Its problem is mud. Mud resists the foot, records passage, soils clothing, and can make ordinary movement unreliable. The passage does not list all of those consequences, so they should not be read back into it as hidden claims. What it does show is that the compiler treated the condition of the surface as decisive.

That emphasis pulls the passage away from a performance detached from place. A gait cannot be evaluated only by whether it appears stealthy on a clean floor. The same body meets different resistance in deep and shallow mud. The text’s first distinction is therefore environmental: identify the ground before choosing the response.

Nor does the sentence praise difficulty for its own sake. Deep mud does not demand a more heroic version of the shallow-mud step. It prompts a change of means. The use of equipment is placed inside a footwork section because the practical problem is movement, not because every solution must be a movement of the unassisted body.

A cross-reference instead of a repeated secret

After naming the sledge, the text directs the reader to the water-tools chapter of the implements section for its diagram and explanation. That cross-reference matters. It reveals a work arranged so that a method can depend on knowledge stored elsewhere. Footwork, terrain, and equipment are separated into headings but reconnected by reference.

A modern summary can easily flatten this structure into a list of “ninja techniques.” The manuscript instead asks the reader to move across its categories. The current passage identifies when the device belongs in the decision. Another chapter holds the visual and technical account. Neither location alone represents the entire instruction.

The cross-reference also limits what can responsibly be inferred from these four lines. They confirm that the compiler associated a sori with deep mud and located its fuller treatment among water-related implements. They do not, by themselves, provide dimensions, construction, or evidence of how often a particular object was carried or used. Those questions require the referenced material and, for claims about practice, evidence beyond the instruction on the page.

Why leave nuki-ashi untranslated?

Nuki-ashi is familiar enough to tempt a quick gloss. The characters suggest pulling out, withdrawing, or slipping a foot free. Any one English phrase, however, risks pretending that the name supplies a complete mechanical description. The text itself does not define the term through a sequence of angles or placements. It gives the “principle of a willow branch” and then marks the matter as oral transmission.

For that reason, the fresh translation retains nuki-ashi. The untranslated term is not meant to make the passage sound exotic. It is an honest boundary. A compact name can point to a practiced action without allowing a translator to reconstruct that action from etymology alone.

The willow-branch image may suggest responsiveness, yielding, or a motion that bends rather than collides. Those are plausible readings of the metaphor, not a recovered demonstration. The safest conclusion is narrower: the manuscript connects nuki-ashi to that image and expects spoken instruction to carry what the words do not spell out.

What “oral transmission” changes

“Oral transmission” is sometimes treated as a license for later writers to fill an empty space. In a source-led reading, it does the opposite. It tells us that the surviving line is incomplete as instruction. The phrase records a boundary between what the manuscript preserves and what it assumes will be conveyed another way.

That boundary may reflect the difficulty of representing movement in prose, a wish to restrict knowledge, the use of the book as a reminder for an initiated reader, or some combination of these. The two characters alone cannot decide among those possibilities. What they establish is that the compiler did not regard the willow-branch phrase as a self-sufficient explanation.

This makes certainty about a reconstructed “authentic ninja walk” especially hazardous. A modern demonstration may belong to a later lineage or an informed experiment, but it should not be presented as if every bodily detail were visible in this sentence. The page gives a name, a condition, an image, and a transmission marker. It does not give a complete choreography.

The other articles keep changing the setting

The remainder of “Four Articles on Footwork” continues the pattern of variation. It distinguishes movement after entering an opposing house or grounds, movement over a floor, and a final procedure for uncertain interior space. It also names other patterns and again attaches oral-transmission notices to some of them.

Those neighboring clauses matter even when this article quotes only the first. They show that “footwork” spans outdoor ground, built spaces, and different practical uncertainties. The section is not organized around a single visual style. It is organized around situations in which ordinary movement becomes a problem that requires special judgment.

At the same time, the four articles should not be turned into a statistical report. A manual can show what a compiler thought worth preserving and how that knowledge was classified. It cannot by itself show how many people learned each method, how consistently terminology was shared across regions, or how frequently any instruction was carried out.

What these four lines do not prove

The excerpt does not prove that all historical shinobi used one standardized gait. Its grammar points in the other direction: different conditions call for different responses. It does not prove that every named method was unique to covert practitioners; comparison with wider traditions of travel, hunting, work, or martial movement would require separate sources.

It also does not prove that nuki-ashi was silent in every circumstance. Silence may be relevant to covert entry, but that quality is not stated in the quoted article. Nor does “willow branch” authorize a precise claim about balance, rhythm, or foot placement. The metaphor remains suggestive precisely because the manuscript pairs it with oral transmission.

Finally, the passage is prescriptive evidence, not a report of a witnessed mission. It records an instruction within an Edo-period manuscript tradition. That is valuable evidence for the textual history of ninjutsu, but it is not the same as an account proving that a particular person crossed a particular muddy place by this method.

Footwork as a practice of choosing

Read at its actual scale, the passage offers something more useful than a legendary secret step. It shows movement as a practice of selection. The practitioner distinguishes deep from shallow mud, changes between equipment and a named gait, follows a cross-reference when more detail is needed, and recognizes where the written page yields to instruction outside it.

The sequence is compact: condition, method, reference, limit. That pattern helps explain why a large manual such as the Bansenshūkai is more than a heap of tricks. Its headings sort problems; its cross-references connect domains; its transmission notes declare that some knowledge cannot be recovered from a label alone.

So did ninja have a special way of walking? This passage supports a careful plural answer. The manual preserves special terms and situational methods of movement. It does not reduce them to one walk that works everywhere, and it does not leave enough written detail to recreate nuki-ashi with certainty. The ground decides what question must be answered first.

Source

Bansenshūkai (萬川集海), Scroll Thirteen, “Innin III” (巻之十三 陰忍三), “Four Articles on Footwork” (歩法四ヶ條), first article. The Iga City Digital Museum public transcription supplies the quoted wording and identifies the scroll and heading. Its catalog record for Scroll Thirteen identifies the witness as an Edo-period manuscript and summarizes the scroll’s treatment of sleep, dogs, walking, times, and places. The Iga ninja database’s published contents record independently places “Footwork, four articles” in Scroll Thirteen, “Innin III.”