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Zero Range Combat
Zero Range Combat
Zero Range Combat
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ZERO RANGE COMBAT
Also known as
  • Zerorenjikonbatto
  • Rei kyori sentō-jutsu
  • Zero-Distance Combat
FocusHybrid, self-defence, CQB/CQC
Country of originJapan
CreatorYoshitaka Inagawa
Parenthood
Official websiteZERO RANGE COMBAT official homepage

Zero Range Combat (Japanese: ゼロレンジコンバット,[1] Zerorenjikonbatto, also referred to as 零距離戦闘術,[2] Rei kyori sentō-jutsu, which translates to Zero Range Combat) is a Japanese martial art inspired by military combatives.

The founder is Yoshitaka Inagawa,[3] who is publicly referred to as "sentō-sha" (戦闘者, eng. battler or combatant), and "master instructor" (マスターインストラクター masutāinsutorakutā)[3] to his martial arts peers. The name "sentō-sha" is different from "martial arts" and/or "fighter" in that it means a person who is particular about military "battle", referring closer to something akin to "military artsman" (兵法者, Heihōsha).

History

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ZRC gained prominence in Japan when it was used in High&Low The Red Rain and Re:Born.[4]

Curriculum

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While ZRC trains anyone learning the martial art via bare hands, knives, swords, batons, flashlights and handguns, the use of rifles is also included in its curriculum.

ZRC also learned the technique of dodging flying bullets.

[5][6]

Techniques

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ZRC was inspired by Inagawa learning Kobudō, Muay Boran, Sambo, Systema, Eskrima, and elements from Jieitaikakutōjutsu.[7]

Use

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Inagawa has provided self-defence guidance to the members of the JGSDF Central Readiness Regiment.[7]

See also

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References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia

Zero Range Combat

View on Grokipedia
from Grokipedia
Zero Range Combat, formally known as Rei Kyori Sentō-jutsu (零距離戦闘術), is a modern Japanese martial art system developed by combat instructor Yoshitaka Inagawa, blending ancient kobujutsu (classical Japanese battlefield arts) with contemporary global combative techniques to enable efficient fighting at extreme close quarters—typically within arm's reach or less. The system prioritizes adaptability to the physical characteristics of Japanese practitioners, drawing on samurai-era movement principles designed for sustained combat while encumbered by heavy armor, and integrates strikes, grapples, and weapon defenses tailored for high-stress scenarios like urban self-defense and anti-terrorism operations. Inagawa created Zero Range Combat in the early 2000s, motivated by evolving global security challenges following the September 11, 2001 attacks, which shifted emphasis toward and close-proximity threats in confined environments. As a tactical supervisor with extensive experience training Japanese Self-Defense Forces, police units, and international personnel, Inagawa aimed to bridge traditional Japanese body mechanics—such as fluid, energy-efficient motions—with practical elements from systems like military combatives and , ensuring techniques remain viable under fatigue or equipment load. This fusion results in a "formless" approach that avoids rigid stances, promoting instinctive responses through core principles like rotational power generation (often demonstrated via "wave" movements of the torso and shoulders). The curriculum of Zero Range Combat encompasses a range of applications, including bare-hand striking and clinch work, defenses against knives and grabs, ground-based submissions, and integration of tools like batons or flashlights for improvised weaponry. Instructional resources, such as Inagawa's 2021 book Rei Kyori Sentō-jutsu: Zero Range Nyūmon-hen, provide structured progressions from basic exercises to advanced scenarios, supplemented by QR-linked video demonstrations to illustrate real-time execution. While primarily a and tactical system rather than a competitive , Zero Range Combat has gained recognition through collaborations with other martial artists, including demonstrations blending it with and as well as its featured use in the 2024 film One Percenter to highlight its versatile power application in dynamic encounters.

History

Founding and Origins

Yoshitaka Inagawa, born in , began his martial arts journey early in life and later served as a martial arts instructor for the U.S. prior to 2005, where he gained extensive real-world experience through training military personnel in close-quarters techniques. In 2005, Inagawa founded Zero Range Combat, or Rei kyori sentō-jutsu in Japanese, as a practical system tailored specifically for zero-range, close-quarters scenarios where opponents are within arm's reach. This system emerged from Inagawa's synthesis of traditional , such as swordsmanship and body manipulation methods, with overseas military tactics, including elements of close-quarters battle (CQB) and close-quarters combat (CQC). The development was motivated by evolving global security challenges following the , 2001 attacks, which emphasized counter-guerrilla and close-proximity threats in confined environments. The initial motivations centered on developing a highly adaptable, "formless" art that could address contemporary threats like urban violence and , prioritizing fluid efficiency over structured forms or rigid katas to enable quick responses in dynamic, high-stress environments. Inagawa aimed to preserve and globalize the Japanese warrior spirit through techniques emphasizing body mechanics like entering movements for seamless engagement. Early training occurred primarily at small dojos and academies in , such as the foundational Zero Academy, with initial adoption limited to select seminars and workshops for and personnel during the mid-2000s, fostering gradual grassroots interest among practitioners seeking practical skills.

Influences and Development

Zero Range Combat draws from traditional such as kobujutsu and fuses them with combative techniques from around the world, including systems. Following its establishment in 2005 by Yoshitaka Inagawa, who had previously served as a instructor for U.S. Army , the system underwent synthesis as a hybrid framework tailored to practical . Inagawa incorporated feedback from military training to emphasize effectiveness in urban and confined environments, focusing on close-quarters engagements within arm's reach. The system's evolution included the integration of weapon elements, enhancing unarmed techniques with edged and improvised tools to address modern threats like attacks. By the mid-2010s, the curriculum was formalized through instructional and seminars, promoting widespread in non-lethal applications. Specific adaptations featured evasion drills inspired by fluid motion principles from systems like for realistic scenarios.

Popularization and Recognition

Zero Range Combat gained significant public awareness in the mid-2010s through its integration into Japanese action cinema. The system debuted prominently in the 2016 film High&Low The Red Rain, where characters employed its techniques, and in Re:Born (2016), which featured fight choreography by founder Yoshitaka Inagawa and showcased the art's close-quarters knife work performed by actor . Its visibility expanded in the early through collaborative videos and seminars with other martial artists, including a 2021-2023 series pairing Inagawa with masters to demonstrate techniques like wave punches and disarms, which highlighted synergies between the systems and attracted online audiences. Formal recognition came with the launch of the official website zerorangecombat.com around 2010, providing resources on training and philosophy, and the publication of the instructional book Rei Kyori Sento Jutsu ZERO RANGE Nyumon Hen (Intro to Zero Range Combat) in April 2021 by Namiki Shobo, featuring QR codes linking to video demonstrations. The system's growth has been marked by rising interest, with dojos and practitioners expanding from a small base in the early to broader adoption by the mid-2020s, evidenced by international book sales on platforms like and increased online engagement through content.

Core Principles

Philosophical Foundations

Zero Range Combat's philosophical foundations revolve around the synthesis of traditional with methodologies to achieve maximum efficiency in close-quarters engagements. Developed by Yoshitaka Inagawa, the system prioritizes practical, field-tested techniques that adapt to the physical characteristics of practitioners, drawing from ancient kobujutsu to enable fluid movement akin to samurai endurance in armored combat. This approach rejects overly stylized forms in favor of versatile responses tailored for unpredictable, real-world scenarios within zero-range distances of 0-1 meter. Central to its ethos is a military-inspired mindset focused on survival and minimal exertion, integrating global influences such as , , and Filipino with Japanese hand-to-hand systems to emphasize non-lethal control and rapid neutralization. Inagawa's teachings underscore and instinctive action under stress, influenced by post-9/11 strategies and principles of disciplined harmony in motion, modernized for contemporary without promoting unnecessary aggression. Training philosophy stresses mental resilience through scenario-based drills that simulate high-pressure environments, fostering responses driven by necessity rather than competition or ego. This distinguishes Zero Range Combat from more rigid disciplines by viewing combat as a dynamic flow, where efficiency arises from blending historical warrior traditions with proven tactical applications for both military and civilian contexts.

Key Body Mechanics

The wave motion principle forms the cornerstone of power generation in Zero Range Combat, involving flexible rotation combined with spinal undulation to propagate force through the body like a wave, enabling practitioners to evade incoming attacks while simultaneously launching counters. This allows for seamless transitions between defensive and offensive actions by distributing efficiently, minimizing reliance on muscular tension and maximizing fluidity in motion. Zero-range positioning emphasizes maintaining continuous physical contact or the minimal distance necessary to dominate an opponent through leverage, achieved via precise hip rotation and techniques that exploit biomechanical vulnerabilities without expending excess energy. Practitioners train to enter this proximity rapidly using irimi movements, ensuring control over the adversary's posture and neutralizing threats at the closest possible range. Evasion mechanics in Zero Range Combat incorporate bullet-dodging drills that develop instinctive lateral shifts and head feints, allowing avoidance of strikes or projectiles while remaining in engagement range rather than retreating. These drills hone peripheral awareness and micro-adjustments in body alignment to redirect or slip past attacks, preserving for immediate response. Balance and flow are sustained through exercises synchronized with tanden breathing, which coordinates and to maintain equilibrium during dynamic scenarios, facilitating rapid ground recovery and effective handling of multiple opponents without resorting to rigid stances. This integration promotes adaptive movement patterns, where breathing regulates tension and supports continuous repositioning under pressure.

Curriculum

Unarmed Techniques

Unarmed techniques in Zero Range Combat form the foundation of its hand-to-hand curriculum, emphasizing efficient, close-quarters engagement without weapons. These methods integrate striking, grappling, and ground control to neutralize threats rapidly, drawing from the system's hybrid influences to prioritize practicality in confined spaces. As detailed in Inagawa's 2021 book Rei Kyori Sentō-jutsu: Zero Range Nyūmon-hen, hand-to-hand combat is covered in Part 2, with ground fighting addressed in Part 5. Developed by Yoshitaka Inagawa, the techniques are detailed in instructional materials that highlight body mechanics for maximum impact with minimal telegraphing. Striking methods focus on close-range punches, elbows, and knees, employing a distinctive wave motion generated through rotation to produce explosive power. This approach targets vital points such as the and eyes, allowing practitioners to deliver force from zero distance while maintaining balance. The wave motion, a core operational principle, enables fluid transitions between strikes, enhancing speed and unpredictability in clinch scenarios. For instance, the "wave punch" demonstrates how rotational shoulder movement amplifies linear force without compromising defensive posture. Grappling techniques adapt joint locks, throws, and chokes drawing from grappling traditions including Sambo, tailored for zero-range clinches to counter grabs or tackles effectively. Practitioners learn to disrupt an opponent's balance using leverage rather than strength, executing locks on the wrists or elbows to immobilize limbs swiftly. Throws exploit momentum from the attacker's advance, redirecting it into controlled falls, while chokes target the neck in standing or clinched positions to induce submission. These methods emphasize seamless integration with strikes, allowing a defender to transition from a parry to a lock or throw in one fluid sequence. Ground fighting prioritizes escapes from dominant positions like mounts and guards, utilizing hip escapes and scapula-driven bridges for quick reversals. Techniques stress regaining posture to create space, followed by counters such as armbars or positional sweeps to regain top control. drills simulate real-world scrambles, focusing on cardiovascular and positional to prevent prolonged ground engagements. This component ensures versatility, enabling fighters to return to standing or maintain control as needed. Defenses against unarmed assaults include counters to punches, holds, and multiple attackers, with structured drills for seamless transitions from stand-up to ground. Against punches, defenders use wave-based deflections to close distance and apply immediate grapples, while hold counters involve manipulations to break grips and expose vulnerabilities. Multiple-attacker scenarios train angular movement and prioritization, using environmental factors to isolate threats one at a time. These defenses underscore the system's philosophy of preemptive control, reducing the window for escalation.

Armed Techniques

In Zero Range Combat (ZRC), armed techniques adapt the system's core principles of close-quarters engagement to incorporate weapons, prioritizing rapid control, disarms, and retention within arm's reach to neutralize threats efficiently. Developed by Yoshitaka Inagawa, these methods fuse traditional Japanese kobujutsu with global influences, enabling practitioners to handle edged, blunt, and longer weapons in confined spaces. Knife defense is covered in Part 3 of Inagawa's instructional book. Knife and edged weapon handling in ZRC emphasizes defensive disarms and offensive slashes, leveraging Eskrima-inspired flows to trap and control the opponent's weapon arm while maintaining zero-range pressure. Practitioners train to redirect incoming thrusts or cuts using angular footwork and joint manipulations, transitioning seamlessly to counters that target vital areas for quick resolution. This approach draws from Eskrima's fluid movements adapted for blade work, ensuring the defender gains leverage without extending beyond close proximity. Baton and blunt tool techniques involve strikes and blocks executed with batons, flashlights, or similar implements, integrated with clinch elements to secure weapon retention during exchanges. Defenders use hooking blocks to redirect swings while closing distance for strikes or follows from the clinch, preventing the attacker from regaining . These methods highlight economical motion, where the tool extends natural body strikes without compromising balance in tight environments. Sword and longer blade applications, though less common due to spatial constraints, incorporate Kobudō-inspired draws and cuts optimized for confined areas, with a focus on immediate sheathing to free hands for . Techniques stress half-swording or strikes (tsubazuki) to trap the foe's , followed by pulls into locks or throws, minimizing wide swings that could expose the user. This rare curriculum suits scenarios where a must be drawn reactively, emphasizing precision over power. Improvised weapons form a practical extension of ZRC's , users to wield everyday objects like keys between fingers or belts as whips to augment unarmed strikes, coupled with retention drills to maintain grip under resistance. For instance, a serves as a blunt impact tool in blocks and jabs, while keys enhance slashing motions from Eskrima flows; drills simulate grabs to reinforce seamless transitions back to empty hands. This adaptability underscores ZRC's emphasis on environmental awareness in zero-range scenarios.

Integrated Training Methods

Integrated training methods in Zero Range Combat emphasize the seamless fusion of unarmed, edged weapon, and modern firearm techniques within realistic, high-stress scenarios to prepare practitioners for unpredictable close-quarters engagements. These methods draw from traditional Japanese body mechanics, such as irimi (entering) movements and tanden breathing for stability, integrated with overseas military combatives like close-quarters battle (CQB) and close-quarters combat (CQC) protocols. Training progresses through structured levels, beginning with foundational physical manipulations and advancing to instructor certification via workshops and seminars, allowing practitioners to build proficiency from self-study to partnered realism. Firearm integration forms a core component, focusing on retention and disarms for handguns and at zero range, where techniques enable transitions from weapon defense to immediate strikes or grapples. Practitioners learn to maintain control during close-range encounters, incorporating evasions that minimize exposure to gunfire while countering with body leverage, often in tandem with tools like flashlights for low-light retention. These elements extend to rifle handling, adapting military-inspired tactics to Japanese physiology for efficient weapon manipulation under duress. Scenario drills simulate full-contact urban environments, incorporating multi-weapon threats such as simultaneous and assaults, to foster adaptive decision-making. Low-light conditions are addressed through drills using flashlights for illumination and targeting, enhancing and transition speed between armed and unarmed responses. Partnered exercises emphasize controlled aggression to replicate real-world chaos without unnecessary risk, with self-study supported by QR-coded videos from the 2021 edition of Rei Kyori Sentō-jutsu: Zero Range Nyūmon-hen for technique review. Safety protocols prioritize injury prevention through self-responsibility, requiring participants to master tool handling—such as batons, knives, or firearms—before advancing, while incorporating legal awareness for civilian applications. Instructors stress progressive loading of scenarios to build confidence without overexertion, ensuring ethical aligns with defensive principles.

Applications

Military and Tactical Use

Zero Range Combat (ZRC) has been used in training within the (JGSDF), where founder Yoshitaka Inagawa has provided specialized guidance on close-quarters techniques since the . Inagawa leads training for the JGSDF's rapid reaction units, emphasizing practical applications for operations in high-threat environments. Inagawa's training integrates ZRC principles to enhance personnel readiness for scenarios requiring immediate, efficient neutralization of threats while maintaining operational mobility. Inagawa's background includes prior instruction to U.S. units, which directly shaped ZRC's development for tactical contexts like close-quarters battle (CQB). These experiences informed the system's focus on seamless transitions between unarmed and armed engagements, drawing from military combatives to address real-world constraints such as confined spaces and protective gear. As a result, ZRC has been incorporated into JGSDF at domestic bases and garrisons to bolster hand-to-hand capabilities in dynamic combat situations. For , ZRC offers tailored modules to international police agencies, with emphasis on retention, suspect control, and non-lethal compliance methods. These adaptations prioritize alongside physical intervention, enabling officers to manage confrontations without escalating to where possible. Training sessions highlight ZRC's utility in urban patrol and arrest scenarios, promoting techniques that align with legal standards for . Reported outcomes from tactical simulations underscore ZRC's effectiveness in confined-space engagements, while incorporating to reduce unnecessary escalation in . This integration supports professional military and objectives by balancing lethality with restraint in high-stakes operations.

Civilian and Media Applications

Zero Range Combat has been adapted for civilian self-defense through instructional books and seminars that emphasize practical techniques for personal protection in everyday scenarios, such as anti-grab defenses and responses to street assaults involving knives or close-quarters threats. The foundational text, "Zero Distance Combat Techniques [Introduction]" by founder Yoshitaka Inagawa, was updated in a 2021 edition published by Namiki Shobo, incorporating QR codes linked to video demonstrations for home-study options, covering , knife disarming, grab escapes, and tailored to non-professionals. Seminars, such as the JBA x ZRC Special Protection Seminar held on October 30, 2022, the Japanese Combatant Retreats in September 2022, November 2023, and May 2024, and ongoing workshops at the Zero Academy, provide hands-on training in urban tactical skills, including emergency tools like the for improvised defense. In media, Zero Range Combat has influenced action choreography, particularly through actor , who trained under Inagawa for the 2016 film Re:Born and integrated its knife techniques and body mechanics into subsequent roles, such as in One Percenter (2024), where the system's close-range efficiency enhances realistic fight scenes. Collaborations on platforms like have popularized its demonstrations, including a 2023 video featuring Zero Range Combat techniques alongside for knife and stick disarms, showcasing fluid integrations of strikes and grapples. These media appearances, advised by Inagawa, highlight the system's adaptability for visual storytelling in films and online content. The community's expansion includes the Zero Academy in , offering direct instruction under Inagawa, alongside global access via resources and the 2021 book edition, with events like the Japanese Combatant Retreats fostering participation among civilians. Promotion targets women and urban dwellers, addressing common threats like muggings through urban tactical classes that incorporate gear for and quick responses in crowded environments. For civilian use, Zero Range Combat features simplified adaptations focused on fitness and basic , omitting advanced firearms training in favor of unarmed and edged-weapon scenarios to suit non-military contexts. User testimonials from seminars praise its practicality, noting the high-level, realistic training that builds confidence without requiring prior experience, though handmade training tools may vary in fit.
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