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Jedok Geom Part 6 - Jinjun Saljukse, Lunge and Kill Stance [jedok geom series]
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Lunge·Just a Bug
Welcome to the Jedok geom series where I break down the Admiral's sword form and show you the stances and my interpretat…
Translation: Lunge — from the French fente (split/gap), referring to the wide split stance created when the front foot advances while the rear foot stays planted
Range & classification
Distance
CloseMiddleLong
Overview
The Lunge is the fundamental attacking movement in Western fencing, combining a full arm extension with a powerful forward drive of the body to deliver a thrust across a distance greater than the fencer's normal reach. [1] The fencer extends the sword arm completely (establishing 'right of way' in foil and sabre), then drives the front foot forward approximately two to three feet by explosively straightening the rear leg, while the rear foot remains planted as an anchor — the result is a deep split stance with the sword point arriving at the opponent's target before the body stops moving. [1],[2] The lunge is the culmination of approximately three centuries of fencing evolution: before the lunge was codified, sword combat relied primarily on cuts and passing steps (where both feet move forward). [2],[3] The development of the lunge, attributed to Italian masters of the late 16th century (most commonly credited to Nicoletto Giganti, whose 1606 treatise Scola, overo Teatro describes a recognisable lunging action), represented a paradigm shift from cutting to thrusting — the realisation that a thrust delivered with a lunge reaches the opponent faster than any cut, because the point travels in a straight line (the shortest distance between two points). [2],[3] This single technical innovation — extending the arm and driving the body forward in one explosive action — transformed European swordsmanship from a medieval cutting art into the refined thrusting science that eventually became modern sport fencing. [2],[3] In modern competitive fencing, the lunge remains the primary method of scoring touches in all three weapons (foil, épée, sabre), with elite fencers capable of launching a lunge covering 6-8 feet in under 0.3 seconds. [1],[4]
FenteFencing LungeFencingStoccata (Italian)ITAffondo (Italian)Extension with LungeFencingAttack by LungeFencing
History & Origin
The lunge was developed during the transition from medieval cut-and-thrust swordsmanship to the Renaissance thrusting science of the rapier. [2],[3] While the exact origin is debated, Nicoletto Giganti's 1606 treatise Scola, overo Teatro is the earliest widely-accepted documentation of a recognisable lunging action, though earlier Italian masters including Camillo Agrippa (1553) and Ridolfo Capo Ferro (1610) contributed to the development of the thrusting attack. [3] The French school of fencing, developed from the 17th century onward, refined the lunge into its modern form — the full arm extension preceding the leg drive, the planted rear foot, and the upright torso — principles that remain unchanged in the 21st century. [1],[2],[3] Pollock, Grove, and Prevost wrote in their 1902 treatise on fencing that 'it took them about two centuries and three-quarters' to develop the lunge into its current form, emphasising that the technique's simplicity conceals centuries of refinement. [1] The lunge is universally recognised as one of the most important technical innovations in the history of martial arts — it transformed European swordsmanship from a chaotic melee skill into a precise, geometrical science. [2],[3]
Country of origin· shown in random order
- GermanyHEMA (Historical European Martial Arts)
- ItalyHEMA (Historical European Martial Arts)
- JapanKendo (a similar lunging action exists as fumikomi-ashi)
Effectiveness
The lunge is the most efficient method of delivering a thrust in any weapon-based martial art, because it maximises reach (adding approximately 3-4 feet beyond the fencer's standing extension) while maintaining a stable base for recovery. [1],[2] In competitive fencing, approximately 70% of all scoring touches in foil and épée are delivered via lunge or advance-lunge. [4] The technique's effectiveness stems from its speed: an elite fencer's lunge can cover 6-8 feet in under 0.3 seconds, which is faster than the average human reaction time of 0.15-0.25 seconds — meaning a well-timed lunge arrives before the opponent can physically react to parry it. [4] The lunge's historical effectiveness is attested by its dominance: once the thrust-with-lunge was developed, cutting styles of swordsmanship gradually became obsolete across Europe. [2],[3]
Lineage
Competition Record
The lunge is the foundational attacking action in all competitive fencing. Approximately 70% of touches in Olympic foil and épée are scored via lunge or advance-lunge. Every Olympic fencing gold medallist in history has relied on the lunge as their primary scoring method. The technique has remained essentially unchanged for over 400 years — a testament to its biomechanical optimality.
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Biomechanical Mechanism
Primary Action — Sequential: (1) sword arm extends fully toward the target, (2) front foot lifts and drives forward while (3) the rear leg explosively straightens to propel the body, (4) the rear foot remains flat and anchored as a base — the body travels forward as a unit with the point leading
Joints Involved — Shoulder (protraction and slight elevation to extend the arm toward the target), elbow (full extension), wrist (alignment to direct the point), rear knee (explosive extension from flexed to straight — the primary power source), rear hip (extension to drive the body forward), front hip (flexion to lift the front leg), front knee (flexion then extension as the foot lands), rear ankle (dorsiflexion maintained to keep the foot flat on the floor for the anchor)
Force Vector — Linear, directly toward the opponent along the fencing strip — the point travels in an absolutely straight line. The body mass moves forward behind the point, adding body weight to the thrust.
Leverage Principle — The rear leg acts as a catapult: the rear knee straightens explosively, converting the stored elastic energy in the quadriceps and calf into linear forward momentum. The planted rear foot provides a fixed anchor against which the rear leg pushes — without this anchor (if the rear foot lifts), the force is dissipated. The arm extension precedes the leg drive, ensuring the point arrives at the target BEFORE the body arrives — this timing is critical because it establishes 'right of way' in foil/sabre and ensures maximum reach.
Position & Entry
From en garde (basic lunge) — From the standard on-guard position, extend the sword arm fully, then drive the front foot forward by straightening the rear leg — the point, hand, foot, and body arrive in that sequence
From engagement — While in blade contact (engagement), disengage (pass the point under their blade) and lunge in one continuous action into the opening
As a riposte — After successfully parrying the opponent's attack, immediately lunge forward to deliver the riposte before they can recover
From advance-lunge — Step forward with a normal advance to close distance, then immediately lunge from the advanced position — this covers approximately 8-10 feet total and is the most common competition attack
From a feint — Extend the arm toward one target (feinting), draw the opponent's parry, then disengage to a new line and lunge — the compound attack
Variants
Short lunge — a controlled lunge with minimal forward drive, used at close distance or when recovery is prioritised
Deep lunge — maximum forward extension for reaching a retreating opponent
Advance-lunge — an advance step immediately followed by a lunge, covering approximately 8-10 feet
Fleche (running attack) — abandoning the planted rear foot and running past the opponent (related but distinct technique)
Balestra-lunge — a forward jump immediately followed by a lunge
Reprise lunge — a second lunge delivered immediately after recovering from the first, without returning to full en garde
Low lunge — lunging with the body lower than normal, often to attack the low line in épée
Videos
How To LUNGE Like A Pro for Sword Fighting
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Lunge·Sword Academy
This is a guide on How To Lunge in Sword Fighting/Historical Fencing. Also top Tips for improving feet and knee Durabil…
Rapier from the Ground Up #1 Lunge Mechanics
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Lunge·Chicago Swordplay Guild
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3 videosWhat Instructors Say
The lunge is a fundamental offensive footwork technique in blade work that combines lower-body mechanics with forward commitment to extend reach and deliver force. Sword Academy emphasizes the biomechanical foundations: the lunge requires charging the rear leg through hip withdrawal, then straightening the front leg while bending the rear leg to generate explosive power. Landing mechanics are critical—practitioners should contact the ground with the ball of the foot first, maintaining pressure there to create spring and stability while avoiding heel-first landing that risks injury. Chicago Swordplay Guild isolates two core components: extension (upper body and hips moving forward) and commitment (weight transfer and rear-leg drive), noting that proper extension precedes the power phase. Both Western instructors stress maintaining slight separation between front and rear feet to prevent falling forward, and that knees may safely track over toes when proper structure is maintained. Just a Bug introduces the lunge within Korean sword tradition (jinjun saojukse), describing it as either a short skipping step for added cut power or a longer gap-closing movement, emphasizing that feet should glide rather than jump or stomp to maximize forward mass transfer. Across all three traditions, the lunge functions both as a distance-closing tactic and as a power-generation mechanism that subordinates arm strength to body-weight transfer.
Synthesized from 3 instructors
- Sword Academy — How To LUNGE Like A Pro for Sword Fighting: Detailed footwork mechanics including hip charging, front-leg extension driving rear-leg bend, ball-of-foot landing technique to avoid injury and create spring, knee structure, and foot support in minimalist footwear.
- Chicago Swordplay Guild — Rapier from the Ground Up #1 Lunge Mechanics: Isolated the two core mechanical components—extension and commitment—using wall-contact drill to teach hip-to-wall pressure shift, weight transfer timing, rear-leg drive on loss of contact, and proper knee bend in recovery.
- Just a Bug — Jedok Geom Part 6 - Jinjun Saljukse, Lunge and Kill Stance: Korean sword tradition perspective on lunge as skipping or alternate step with emphasis on gliding feet to maximize forward mass transfer, variable lunge length for gap-closing versus power-addition, and primary objective of force generation with secondary follow-up options.
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Ratings
Risk of injury to the person this technique is applied to
3
Moderate3/10
In modern sport fencing with protective equipment (mask, jacket, plastron, glove), the lunge is safe — the flexible blade bends on contact and the blunted point (button) does not penetrate. In historical context with sharp weapons, the lunge was the single most lethal action in swordsmanship — a thrust to the torso with a sharp blade driven by a full lunge is a killing blow. In HEMA with steel trainers, the lunge can cause bruising and occasional injury despite protective gear.
Skill level needed to execute this technique reliably
Beginner
Whether this technique is allowed under major competition rule sets
— FIE — Legal fencing technique — governed by FIE rules for...
FIE Rules of CompetitionPDFHEMA — Legal in historical fencing competition {src— various organizations
Training Notes
✓The arm MUST extend BEFORE the leg drives — this is the most fundamental rule of the lunge. If the leg moves first, the fencer is moving without the point threatening the target (in foil/sabre, this loses right of way; in épée, it wastes the surprise). Drill by practising the arm extension as an isolated movement, then adding the leg drive as a separate follow-through. [1] The rear foot must stay FLAT on the floor throughout the lunge — if the heel lifts, the anchor is lost and the fencer slides rather than drives. Coaches traditionally check this by listening: the lunge should produce a sharp 'stamp' from the front foot landing, not a scraping sound from the rear foot lifting. [1] Recovery is as important as the lunge itself — after the touch, the fencer must be able to return to en garde by pushing off the front foot and pulling back. Practise the full cycle: en garde → lunge → recover → en garde. [1],[2] Distance is critical: the lunge must be calibrated so the point arrives at the target at the moment of maximum extension — lunging too close wastes the advantage, lunging too far leaves the fencer off-balance. Drill at various distances. [1] Speed progression: start with slow, perfect-form lunges and progressively increase speed over weeks. A fast lunge with poor form is worse than a slow lunge with perfect form. [4] The front knee must not extend past the front ankle when the lunge lands — this protects the knee ligaments from excessive forward loading. [1]
Common Mistakes
!Moving the leg before extending the arm — the most fundamental error in fencing; the arm extension establishes the attack and threatens the target, while the leg drive provides the distance. Reversing this order is telegraphing without threatening.
!Lifting the rear heel — if the rear foot lifts off the floor, the anchor is lost, the drive loses power, and the fencer slides forward without control
!Leaning the torso forward — the torso should remain upright during the lunge; leaning forward shifts the centre of gravity too far ahead, making recovery slow and leaving the fencer vulnerable to counter-attacks
!Front knee extending past the ankle — this places excessive stress on the knee ligaments and can cause injury over time
!Not recovering — after the touch (successful or not), the fencer must immediately recover to en garde; staying in the lunge position is a stationary target
!Lunging too deep — over-extending the lunge makes recovery impossible and leaves the fencer committed and vulnerable
Related Techniques
Counter Techniques
Parry — deflecting the incoming blade with a parry in the correct line (quarte, sixte, etc.) is the primary defenceRetreat — stepping backward takes the target out of the lunge's rangeCounter-attack (stop thrust) — delivering a thrust into the opponent's lunge before it arrives (requires superior timing)Distance — maintaining a distance where the opponent's lunge falls shortPrise de fer (blade taking) — controlling the opponent's blade during the lunge to redirect it away from the targetYielding parry — parrying while retreating to maximise the time available for the defensive action
Setup Chain
1Establish distance (advance to within lunge range) → Test with feints or blade actions (beat, press, engage) → Identify the opponent's defensive tendency (which parry they favour) → Prepare the attacking line (direct attack or indirect via disengage/coupé) → Extend the arm fully toward the target → DRIVE the front foot forward by straightening the rear leg → Point arrives at the target → Touch scored
2If parried → Recover to en garde or continue with remise/redoublement
Sources & References
Primary Source
Fencing (Pollock, Grove & Prevost, 1902)
1Book[1] Pollock, W.H., Grove, F.C. and Prevost, C. (1902). Fencing, Boxing, Wrestling. Longmans, Green, and Co. Badminton Library. [2] Castle, E. (1885). Schools and Masters of Fence. George Bell and Sons. [3] Giganti, N. (1606). Scola, overo Teatro. Venice. Also: Capo Ferro, R. (1610). Gran Simulacro dell'Arte e dell'Uso della Scherma. [4] FIE competition data and biomechanical analysis from sport fencing research.pp. Pollock 1902 pp.38-42 (The Lunge or Extension section)
description: [1] Pollock 1902, [2] Castle 1885, [3] Giganti 1606
2OtherJapanese Combat Sports Katakana Convention
Standard katakana transliteration of Western martial arts terminology (外来語) — used in Japanese MMA, boxing, and BJJ communities
3Citation[1] Pollock, W.H., Grove, F.C. and Prevost, C. (1902). Fencing, Boxing, Wrestling. Longmans, Green, and Co. Badminton Library. [2] Castle, E. (1885). Schools and Masters of Fence. George Bell and Sons. [3] Giganti, N. (1606). Scola, overo Teatro. Venice. Also: Capo Ferro, R. (1610). Gran Simulacro dell'Arte e dell'Uso della Scherma. [4] FIE competition data and biomechanical analysis from sport fencing research.pp. Pollock 1902 pp.38-42 (The Lunge or Extension section)
description: [1] Pollock 1902, [2] Castle 1885, [3] Giganti 1606
Community
Athletics
Requires good quadriceps and calf strength in the rear leg (the primary power source)
Hip flexibility for the deep split stance
Ankle mobility to maintain the rear foot flat during the drive
Good balance and proprioception
Upper body control to keep the torso upright
The lunge can be adapted for all body types — taller fencers have a reach advantage, but shorter fencers can compensate with faster leg speed
Notes
The lunge is the fundamental attacking movement in fencing — the front foot extends forward while the rear foot stays planted, driving the weapon point toward the target. Documented extensively in Biomechanics of Human Motion (2nd Ed.) alongside the flèche and flunge as the three primary approaching movements. (Biomechanics of Human Motion; fencing manuals)
Frequently Asked Questions
Why is body weight so important when executing a lunge?
Your entire body weight behind the lunge is what generates power, not just arm strength or a large movement. As Just a Bug explains in their Jedok Geom series, 'no matter how strong your arms are and how big of a swing you do, it will never compare to your entire body weight behind that cut powering it.'
When should I use a lunge in a duel?
The lunge is best used when an opportunity presents itself, such as when your opponent's sword is just past you after their strike, allowing you to use it as a quick gap closer. It can also be used whenever you need power, though there are other techniques available for different situations.
What's the correct way to land when lunging?
Land on the ball of your foot, not the heel—landing with your heel creates injuries and bad practice. Keep a slight separation between your front and rear legs to avoid falling, and maintain a slight bend in your front knee rather than locking it out completely.
What footwear should I wear for lunging?
Wear flat shoes—as flat as possible—such as minimal or barefoot shoes that allow you to feel the ground through your toes, ball of your foot, and heel. This ground connection is important for proper foot structure and control.
How does the Lunge work?
The Lunge is the fundamental attacking movement in Western fencing, combining a full arm extension with a powerful forward drive of the body to deliver a thrust across a distance greater than the fencer's normal reach. The fencer extends the sword arm completely (establishing 'right of way' in foil and sabre), then drives the front foot forward approximately two to three feet by explosively straightening the rear leg, while the rear foot remains planted as an anchor — the result is a deep split stance with the sword point arriving at the opponent's target before the body stops moving.
Where does the Lunge come from?
The lunge was developed during the transition from medieval cut-and-thrust swordsmanship to the Renaissance thrusting science of the rapier. While the exact origin is debated, Nicoletto Giganti's 1606 treatise Scola, overo Teatro is the earliest widely-accepted documentation of a recognisable lunging action, though earlier Italian masters including Camillo Agrippa (1553) and Ridolfo Capo Ferro (1610) contributed to the development of the thrusting attack.
Is the Lunge legal in competition?
FIE: legal — Legal fencing technique — governed by FIE rules for foil, épée, and sabre; HEMA: legal — Legal in historical fencing competition
How dangerous is the Lunge?
Danger rating 3/10. In modern sport fencing with protective equipment (mask, jacket, plastron, glove), the lunge is safe — the flexible blade bends on contact and the blunted point (button) does not penetrate. In historical context with sharp weapons, the lunge was the single most lethal action in swordsmanship — a thrust to the torso with a sharp blade driven by a full lunge is a killing blow. In HEMA with steel trainers, the lunge can cause bruising and occasional injury despite protective gear.
How do I set up the Lunge?
The standard setup chain: Establish distance (advance to within lunge range) → Test with feints or blade actions (beat, press, engage) → Identify the opponent's defensive tendency (which parry they favour) → Prepare the attacking line (direct attack or indirect via disengage/coupé) → Extend the arm fully toward the target → DRIVE the front foot forward by straightening the rear leg → Point arrives at the target → Touch scored → If parried → Recover to en garde or continue with remise/redoublement.
How do I defend against the Lunge?
Standard counters include: Parry — deflecting the incoming blade with a parry in the correct line (quarte, sixte, etc.) is the primary defence / Retreat — stepping backward takes the target out of the lunge's range / Counter-attack (stop thrust) — delivering a thrust into the opponent's lunge before it arrives (requires superior tim… / Distance — maintaining a distance where the opponent's lunge falls short.
What are the variants of the Lunge?
Common variants: Short lunge (a controlled lunge with minimal forward drive, used at cl…); Deep lunge (maximum forward extension for reaching a retreating opponent); Advance-lunge (an advance step immediately followed by a lunge, covering…); Fleche (running attack) (abandoning the planted rear foot and running past the opp…); Balestra-lunge (a forward jump immediately followed by a lunge); Reprise lunge (a second lunge delivered immediately after recovering fro…); Low lunge (lunging with the body lower than normal, often to attack …).
How effective is the Lunge in competition?
The lunge is the foundational attacking action in all competitive fencing. Approximately 70% of touches in Olympic foil and épée are scored via lunge or advance-lunge.
What are common mistakes when doing the Lunge?
Top errors to watch for: Moving the leg before extending the arm — the most fundamental error in fencing; the arm extension establishes the at… / Lifting the rear heel — if the rear foot lifts off the floor, the anchor is lost, the drive loses power, and the fenc… / Leaning the torso forward — the torso should remain upright during the lunge; leaning forward shifts the centre of gr… / Front knee extending past the ankle — this places excessive stress on the knee ligaments and can cause injury over time.
What are other names for the Lunge?
The Lunge is also known as Ranji (from French: fente), Fente, Fencing Lunge, Stoccata (Italian), Affondo (Italian).