The Real Boxing Techniques of Hajime No Ippo Explained - Review/Breakdown
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Dempsey Roll·The Modern Martial Artist
Power of The Pros Book: http://www.modernmartialartist.com/downloads/power-of-the-pros/ Several months ago I made a vide…
Перевод: Dempsey roll
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Обзор
The Dempsey Roll is an aggressive bob-and-weave variation named after heavyweight champion Jack Dempsey, characterised by a continuous figure-eight head movement pattern combined with alternating hooks. [1] The Dempsey Roll uses the momentum of the bob-and-weave to generate power in the counter-punches — as the fighter weaves to one side, they use the rising motion to load and deliver a hook, then immediately weave to the other side for the opposite hook. [1],[2] The technique transforms defensive head movement into a continuous offensive engine. [2],[3]
История и происхождение
The Dempsey Roll is named after Jack Dempsey (1895-1983), the heavyweight champion whose aggressive, low-crouching style of continuous movement and punching defined an era of boxing. [1] Dempsey described his shifting body mechanics in his 1950 instructional book 'Championship Fighting,' and the technique was later popularised in Japanese manga and anime through the character Ippo Makunouchi. [2],[3]
Страна происхождения· показано в случайном порядке
- АнглияБокс
- ГрецияБокс
Эффективность
The Dempsey Roll generates significant power by converting the pendular motion of the bob-and-weave into continuous hook punches, making it a devastatingly effective offensive-defensive combination at close range. [1] Dempsey described the technique's power generation through his 'falling step' principle, where body weight shifts add force to each punch. [1] The technique is vulnerable to uppercuts and well-timed straight punches delivered during the weaving motion. [2]
Родословная
Developed by heavyweight champion Jack Dempsey (1895-1983), who described the underlying mechanics in Championship Fighting (1950). [1] Dempsey's trainer Jack 'Doc' Kearns helped refine the aggressive swarming style that incorporated continuous head movement and shifting weight. [1] The technique was further popularised internationally through the Japanese manga 'Hajime no Ippo' by George Morikawa (1989-present). [2]
Соревновательные результаты
Jack Dempsey used his rolling, shifting attack to devastating effect, most famously in his fourth-round knockout of Jess Willard for the heavyweight title (1919), where Willard suffered multiple fractures from Dempsey's continuous assault. [1]
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Биомеханический механизм
Primary Action — Moving the head off the centre line to avoid an incoming strike without retreating
Joints Involved — Cervical spine (lateral flexion), knees (level change for bob and weave), hips (rotation for counter position)
Force Vector — Lateral or downward — the head moves just enough to make the strike miss while maintaining counter-striking distance
Counter-attack Advantage — Slipping loads the rear hand or lead hook for an immediate counter — defensive movement becomes offensive positioning
Позиция и вход
From fighting stance — Move the head laterally (slip) or vertically (bob-and-weave) to make the incoming strike miss by inches
As counter-setup — Slip the punch and immediately counter — the defensive movement loads the counter strike
Варианты
Inside slip — moving the head to the inside of the incoming punch
Outside slip — moving the head to the outside of the incoming punch
Bob and weave — ducking under a hook and rising on the other side
Pull-back — leaning the head and torso backward to make the punch fall short
Видео
Pure Punching vs Impure Punching. Jack Dempsey’s “Power Line” explained
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Dempsey Roll·Ramsey Dewey
Remember those illustrations from Jack Dempsey’s book “Championship Fighting: Explosive Punching and Aggressive Defense”…
Basic defensive boxing drills
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Dempsey Roll·Ramsey Dewey
7 basic defensive boxing drills to help you avoid damage in combat sports and put yourself into a better position to cou…
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3 videosЧто говорят инструкторы
The Dempsey Roll, named after heavyweight champion Jack Dempsey and referred to in his book "Championship Fighting" as a "double shift," is a dynamic defensive-offensive technique that combines lateral footwork with simultaneous punching. According to The Modern Martial Artist, the move involves shifting forward defensively while throwing punches, and Dempsey originally employed it to chase down fleeing opponents while securing the heavyweight title against Jess Willard despite a significant size disadvantage. Ramsey Dewey emphasizes the biomechanical foundation underlying the technique: proper punch mechanics derived from Dempsey's "power line" principle, which prioritizes straight-line arm extension with the elbow down rather than flared outward, combined with a corkscrew shoulder rotation at the endpoint. Dewey stresses that footwork is critical to the roll's execution, involving weight transfer from the punching side to the non-punching side, and notes that the technique naturally emerges as a progression of integrated defensive and offensive movement training. Both instructors agree the Dempsey Roll is exceptionally devastating when properly executed, though The Modern Martial Artist highlights its inherent complexity, while Ramsey Dewey's defensive boxing drill instruction demonstrates how repetitive drilling of parrying, rolling, and footwork patterns creates the neurological foundation for spontaneous Dempsey Roll application during live sparring.
Сформировано на основе 3 инструкторов
- Ramsey Dewey — Pure Punching vs Impure Punching. Jack Dempsey's "Power Line" explained: Explains the biomechanical foundation of the Dempsey Roll through Dempsey's power line principle: straight-line arm extension with elbow down, corkscrew shoulder rotation, and the critical weight transfer mechanics from punching side to non-punching side. Describes how proper punch mechanics prevent injury and enable technique efficiency.
- The Modern Martial Artist — The Real Boxing Techniques of Hajime No Ippo Explained - Review/Breakdown: Defines the Dempsey Roll as a 'double shift' involving simultaneous defensive shifting and punching. Documents Dempsey's historical use of the technique to defeat Jess Willard despite a 6-inch height and 60-pound weight disadvantage. Notes the technique's purpose in chasing fleeing opponents and emphasizes its devastating potential when mastered.
- Ramsey Dewey — Basic defensive boxing drills: Demonstrates the foundational drills (parrying, rolling, footwork, slipping) that enable the Dempsey Roll to emerge naturally during sparring. Shows how repetitive drilling of defensive-offensive combinations creates automatic movement patterns without conscious thought.
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Оценки
Риск травмы для человека, к которому применяется техника
1
Низкий1/10
Evasion techniques avoid contact entirely; lowest injury risk of all techniques
Уровень мастерства, необходимый для надёжного выполнения техники
Продвинутый
Разрешена ли техника по основным соревновательным правилам
— Unified MMA — Legal defensive technique
Unified Rules of MMA, August 2025PDFWBC/Boxing — Legal — blocking and evasion are core boxing skills {src— WBC Rules of Boxing}
— WKF — Legal — blocking is a fundamental karate skill
WKF Competition Rules 2024PDFKyokushin — Legal {src— IKO Kyokushin Tournament Rules}
— WT — Legal
WT Competition Rules 2024PDF— WAKO — Legal
WAKO Competition RulesPDFK-1/GLORY — Legal {src— K-1/GLORY Kickboxing Rules}
— IFMA — Legal
IFMA Muay Thai RulesPDFЗаметки по тренировке
✓The Dempsey Roll is a rhythmic offensive-defensive head movement pattern: bob left, weave right, bob right, weave left — creating a figure-8 motion while throwing power hooks at each rise (named after Jack Dempsey, described in Championship Fighting, 1950)
✓The rolling motion shifts your weight side to side while your head moves in a continuous weaving pattern — strikes miss as you move constantly
✓At each rise of the weave, throw a hook from the loaded side — the weight transfer adds power to every shot
✓The Dempsey Roll is a pressure-fighting technique: you advance while rolling, making it nearly impossible for the opponent to land clean
✓The rhythm of the roll generates increasing power — each bob loads the next hook like a pendulum
✓This is an advanced technique that requires excellent conditioning, timing, and balance
✓In modern MMA and boxing, the Dempsey Roll is used in modified form by pressure fighters who weave while throwing hooks in combination
Типичные ошибки
!Rolling in a predictable rhythm — the opponent times an uppercut to your lowest point; vary the tempo
!Rolling without throwing — the Dempsey Roll is offensive; if you just bob and weave without punching, you waste it
!Rolling into uppercuts — the down-motion of the bob exposes you to uppercuts; keep hands covering the chin
!Bobbing too low — stay within punching range; going too deep limits your ability to throw at each rise
!Using the Dempsey Roll at long range — it's a mid-range to close-range technique
!Rolling without forward pressure — the roll should advance you toward the opponent
!Attempting without proper conditioning — the Dempsey Roll is extremely tiring; build cardio before applying it
Связанные техники
Контрприёмы
Цепочка подготовки
1Anticipate the Attack — read the opponent's intention through body cues
2Execute Defence — apply the specific defensive technique with proper timing
3Recover Stance — return to a balanced fighting position immediately
4Counter or Disengage — capitalize on the opening or create safe distance
Источники и ссылки
Основной источник
Boxing (Edwin Haislet, 1940)
1КнигаBoxing (Dempsey, 1950)
Alias sources — [1] Championship Fighting (Dempsey, 1950) [2] Boxing Mastery (Hatmaker, 2004) [3] Fighter's Fact Book (Christensen, 2000)
2КнигаChampionship Fighting (Dempsey, 1950)
Effectiveness sources — [1] Championship Fighting (Dempsey, 1950) [2] Boxing Mastery (Hatmaker, 2004)
3ДругоеJapanese Combat Sports Katakana Convention
Standard katakana transliteration of Western martial arts terminology (外来語) — used in Japanese MMA, boxing, and BJJ communities
4ЦитатаBoxing (Dempsey, 1950)
Alias sources — [1] Championship Fighting (Dempsey, 1950) [2] Boxing Mastery (Hatmaker, 2004) [3] Fighter's Fact Book (Christensen, 2000)
5ЦитатаChampionship Fighting (Dempsey, 1950)
Effectiveness sources — [1] Championship Fighting (Dempsey, 1950) [2] Boxing Mastery (Hatmaker, 2004)
Сообщество
Атлетизм
Requires
neck flexibility, knee bend coordination, visual tracking
Favours
shorter stature for easier level changes, strong neck
Key muscles
neck muscles, quadriceps, obliques, calves
Часто задаваемые вопросы
Why does the Dempsey Roll technique cause elbow pain?
According to Ramsey Dewey, improper punching mechanics with flared elbows are less efficient and cause tendonitis and elbow damage that can shorten a boxing career. Switching to proper form with the elbow staying down and the hand traveling in a straight line can eliminate this pain within months.
What's the correct elbow position when throwing a punch?
Ramsey Dewey explains that the elbow should face the floor with the thumb facing up, and the hand should come out in a straight line without the elbow flaring up and out to the side. The hand travels down the center line, and you turn it as you squeeze the fist.
How does footwork improve punching power and reach?
Ramsey Dewey notes that adding a small step or 'trigger step' with your feet—rather than just pivoting—helps fix elbow position and extends your reach when you fully extend the hip and twist it. This footwork adjustment is essential to proper Dempsey power-line mechanics.
Как работает Dempsey Roll?
The Dempsey Roll is an aggressive bob-and-weave variation named after heavyweight champion Jack Dempsey, characterised by a continuous figure-eight head movement pattern combined with alternating hooks. The Dempsey Roll uses the momentum of the bob-and-weave to generate power in the counter-punches — as the fighter weaves to one side, they use the rising motion to load and deliver a hook, then immediately weave to the other side for the opposite hook.
Откуда происходит Dempsey Roll?
The Dempsey Roll is named after Jack Dempsey (1895-1983), the heavyweight champion whose aggressive, low-crouching style of continuous movement and punching defined an era of boxing. Dempsey described his shifting body mechanics in his 1950 instructional book 'Championship Fighting,' and the technique was later popularised in Japanese manga and anime through the character Ippo Makunouchi.
Разрешён ли Dempsey Roll на соревнованиях?
Unified MMA: разрешён — Legal defensive technique; WBC/Boxing: разрешён — Legal — blocking and evasion are core boxing skills; WKF: разрешён — Legal — blocking is a fundamental karate skill; Kyokushin: разрешён — Legal; WT: разрешён — Legal; WAKO: разрешён — Legal; K: разрешён — 1/GLORY — Legal; IFMA: разрешён — Legal
Насколько опасен Dempsey Roll?
Оценка опасности 1/10. Low — evasion techniques avoid contact entirely; lowest injury risk of all techniques
Как подготовить Dempsey Roll?
Стандартная цепочка подготовки: Anticipate the Attack → Execute Defence → Recover Stance → Counter or Disengage.
Как защититься от Dempsey Roll?
Стандартные контрприёмы: Timing — attack when the defence is recovering or between movements / Feint — use deception to create openings in the defensive structure / Angle Change — attack from an unexpected angle that the defence does not cover.
Какие есть варианты Dempsey Roll?
Распространённые варианты: Inside slip (moving the head to the inside of the incoming punch); Outside slip (moving the head to the outside of the incoming punch); Bob and weave (ducking under a hook and rising on the other side); Pull-back (leaning the head and torso backward to make the punch fal…).
Насколько эффективен Dempsey Roll на соревнованиях?
Jack Dempsey used his rolling, shifting attack to devastating effect, most famously in his fourth-round knockout of Jess Willard for the heavyweight title (1919), where Willard suffered multiple fractures from Dempsey's continuous assault.
Какие типичные ошибки при выполнении Dempsey Roll?
Основные ошибки, на которые стоит обратить внимание: Rolling in a predictable rhythm — the opponent times an uppercut to your lowest point; vary the tempo / Rolling without throwing — the Dempsey Roll is offensive; if you just bob and weave without punching, you waste it / Rolling into uppercuts — the down-motion of the bob exposes you to uppercuts; keep hands covering the chin / Bobbing too low — stay within punching range; going too deep limits your ability to throw at each rise.
Какие ещё названия есть у Dempsey Roll?
Dempsey Roll также известен как Denpushī Rōru, Falling Step Roll, Figure-Eight Bob, Continuous Weave.