Hammer Fist

Семейство

Перевод: hammer fist

Дистанция и классификация

Категория
Удар и защитаЗамкиБлижний бойБой против нескольких
Дистанция
БлижняяСредняяДальняя
Угол конечности
Ноль180–135°135–90°90–45°45–0°
Целевая зона
Верхняя частьСредняя частьНижняя часть

Обзор

A strike delivered with the bottom of the closed fist (the ulnar side), swinging the fist in a downward or horizontal arc like a hammer.

Также известна как
Tetsui UchiJP[1]Fist Hammer[2]Bottom Fist[3]
Используется в

История и происхождение

The hammer fist (tetsui uchi in Japanese) is one of the most instinctive striking techniques, using the bottom of the closed fist in a hammering motion. [1] Nakayama documented the hammer fist as tetsui uchi in Best Karate, noting that it was one of the oldest striking techniques in karate and appeared in the earliest Okinawan kata. [2] The hammer fist's ergonomic advantage — striking with the dense metacarpal bones rather than the fragile knuckles — made it a preferred technique in systems where bare-knuckle striking was standard. [1] In MMA, the hammer fist became prominent as a ground-and-pound weapon, particularly from mount and guard positions where conventional punches risk wrist injury. [3]

Страна происхождения· показано в случайном порядке

  • БразилияММА
  • СШАММА
  • ИзраильКрав-мага
  • Япония鉄槌打ち(Tettsui-uchi)Карате
  • КитайКунг-фу
  • КореяХапкидо

Эффективность

The hammer fist strikes downward or sideways with the bottom of the closed fist. [1],[2]

Родословная

Hammer fists are found in many martial arts and are particularly effective in MMA ground-and-pound. [1]

Соревновательные результаты

Hammer fists are one of the most commonly used ground strikes in MMA. [1]

Изображения

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Биомеханический механизм

Primary ActionBallistic extension of the arm — kinetic chain transfers force from the ground through the hips to the fist
Joints InvolvedShoulder (flexion/rotation), elbow (rapid extension), wrist (stabilised on impact), hips (rotation)
Force VectorLinear (jab, cross) or circular (hook, overhand) depending on the punch type
Kinetic ChainGround reaction force → hip rotation → torso rotation → shoulder extension → fist impact — each link amplifies velocity

Позиция и вход

From fighting stanceEstablish guard, generate force through hip rotation and weight transfer, extend the striking arm to the target
As combination (after setup)Follow a jab or feint with the punch to exploit the opening created
As counterTime the punch to land as the opponent commits to their own attack

Видео

Hammer Fist to Setup the KICK!

0
Hammer Fist·TeachMeGrappling Coach Brian

This video Majid demonstrates a hammer fist that you can use as a strike or a grab to setup a kick to the face. Check o

1 video

Изучить технику

Учебных курсов по этой технике пока нет.

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Оценки

Уровень опасности

Риск травмы для человека, к которому применяется техника

5
Высокий5/10

Fleshy fist edge strike; common in ground-and-pound

Сложность

Уровень мастерства, необходимый для надёжного выполнения техники

Начинающий
Допустимость на соревнованиях

Разрешена ли техника по основным соревновательным правилам

Запрещено
WBC/Boxing — Only closed-fist punches permitted {srcWBC Rules of Boxing}
Kyokushin — Only closed-fist strikes to body permitted {srcIKO Kyokushin Tournament Rules}
WT — Prohibited
WT Competition Rules 2024PDF
WAKO — Closed fist only
WAKO Competition RulesPDF
K-1/GLORY — Closed fist only {srcK-1/GLORY Kickboxing Rules}
Ограничено
WKF — Varies by technique — some open-hand strikes legal ...
WKF Competition Rules 2024PDF
ITF — Some knife hand techniques legal
ITF Competition RulesPDF
Разрешено
palm strikes, slaps permitted
Unified Rules of MMA, August 2025PDF
IFMA — Legal — palm strikes permitted in Muay Thai
IFMA Muay Thai RulesPDF

Заметки по тренировке

The hammer fist strikes with the bottom of the closed fist — the fleshy pad below the little finger
Swing the fist in a downward, horizontal, or diagonal arc like swinging a hammer
The hammer fist is one of the safest strikes for the attacker because the impact area is padded and the wrist stays aligned
It is a primary ground-and-pound weapon in MMA — from mount or guard, hammer fists can be thrown repeatedly without wrist injury risk
The hammer fist is also effective standing: as a downward strike to the top of the head, or horizontal to the temple
No hand wraps or gloves are needed — the hammer fist is a bare-hand striking technique used in self-defence
In MMA, fighters like Mark Hunt and Fedor Emelianenko used devastating ground-and-pound hammer fists to finish opponents

Типичные ошибки

!Hitting with the knuckle side of the fist instead of the bottom pad — this negates the safety advantage
!Swinging too wide and losing accuracy — the hammer fist should follow a controlled arc
!Not using the shoulder and core to power the strike — arm-only hammer fists lack force
!Throwing hammer fists from outside range where a punch would be more effective
!Not maintaining position during ground-and-pound — the priority is control first, strikes second
!Using the hammer fist at a flat angle where it bounces off the guard — aim for gaps and angles
!Winding up visibly before striking, giving the opponent time to cover or escape

Связанные техники

Контрприёмы

Цепочка подготовки

1Assume Fighting Stancebegin from a balanced position with guard up
2Generate Poweruse hip rotation and weight transfer for maximum force
3Execute Strikedeliver the technique to the target with correct form
4Recover to Guardreturn immediately to defensive position

Источники и ссылки

Основной источник

Karate-Do Kyohan: The Master Text (Gichin Funakoshi, 1935)

1КнигаKarate-Do Kyohan (Funakoshi, 1935)

Alias sources — [1] Dynamic Karate (Nakayama, 1966) [2] Dynamic Karate (Nakayama, 1966) [3] Dynamic Karate (Nakayama, 1966)

2КнигаMastering Jujitsu (Gracie & Danaher, 2003)

History sources — [1] The Art of Striking (Blauer, 2004) [2] Best Karate Vol. 3 (Nakayama, 1978) [3] Ultimate MMA Conditioning (Jamieson, 2009)

Official karate technique names (和語/漢語)

4ДругоеJapanese Martial Arts Standard Terminology (武道用語)

Established Japanese martial arts naming convention — native Japanese term (和語/漢語)

5ЦитатаKarate-Do Kyohan (Funakoshi, 1935)

Alias sources — [1] Dynamic Karate (Nakayama, 1966) [2] Dynamic Karate (Nakayama, 1966) [3] Dynamic Karate (Nakayama, 1966)

6ЦитатаMastering Jujitsu (Gracie & Danaher, 2003)

History sources — [1] The Art of Striking (Blauer, 2004) [2] Best Karate Vol. 3 (Nakayama, 1978) [3] Ultimate MMA Conditioning (Jamieson, 2009)

Сообщество

Атлетизм

Requires

hand speed, hip rotation, wrist alignment on impact

Favours

proportional reach, strong wrists, fast-twitch shoulder muscles

Key muscles

deltoids, pectorals, triceps, core rotators, forearms

Подтехники

Ищите по тому, что делает техника, — а не по её названию

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Категория
Дистанция
Угол конечности
Целевая зона

Заметки

The hammer fist appears in 156 passages across 39 books. Uses the bottom of the closed fist in a swinging motion — like swinging a hammer. The safest striking surface (lowest self-injury risk). Dominant ground-and-pound weapon in MMA because there is no risk of breaking knuckles on the skull. (39 books; MMA training manuals)

Часто задаваемые вопросы

How can I use the hammer fist to set up other techniques?

Coach Brian from TeachMeGrappling demonstrates using the hammer fist as part of a combination to open up kicks and other strikes. The sequence typically flows from a jab into the hammer fist, which then leads into your next offensive move.

What's the difference between throwing a traditional hammer fist and using it in combination?

Instead of throwing a traditional hammer fist in isolation, Coach Brian emphasizes throwing a jab first, then bringing the hammer fist back as a strike, which also sets you up for a grab or follow-up technique.

Как работает Hammer Fist?

A strike delivered with the bottom of the closed fist (the ulnar side), swinging the fist in a downward or horizontal arc like a hammer.

Откуда происходит Hammer Fist?

The hammer fist (tetsui uchi in Japanese) is one of the most instinctive striking techniques, using the bottom of the closed fist in a hammering motion. Nakayama documented the hammer fist as tetsui uchi in Best Karate, noting that it was one of the oldest striking techniques in karate and appeared in the earliest Okinawan kata.

Разрешён ли Hammer Fist на соревнованиях?

Unified MMA: разрешён — Legal (palm strikes, slaps permitted); WBC/Boxing: запрещён — Only closed-fist punches permitted; WKF: ограничен — Varies by technique — some open-hand strikes legal in kata, generally restric…; Kyokushin: запрещён — Only closed-fist strikes to body permitted; WT: запрещён — Prohibited; ITF: ограничен — Some knife hand techniques legal; WAKO: запрещён — Closed fist only; K: запрещён — 1/GLORY — Closed fist only; IFMA: разрешён — Legal — palm strikes permitted in Muay Thai

Насколько опасен Hammer Fist?

Оценка опасности 5/10. High — fleshy fist edge strike; common in ground-and-pound

Как подготовить Hammer Fist?

Стандартная цепочка подготовки: Assume Fighting Stance → Generate Power → Execute Strike → Recover to Guard.

Как защититься от Hammer Fist?

Стандартные контрприёмы: Block — absorb the strike with a protective guard position / Evasion — move the target out of the strike's path / Counter-Attack — time an offensive response during the recovery phase of the strike.

Какие есть варианты Hammer Fist?

Распространённые варианты: Overhead hammer fist (bringing the fist straight down onto the target from above); Side hammer fist (swinging horizontally using the bottom of the fist); Ground-and-pound hammer fist (delivered from mount or top position on the ground).

Насколько эффективен Hammer Fist на соревнованиях?

Hammer fists are one of the most commonly used ground strikes in MMA.

Какие типичные ошибки при выполнении Hammer Fist?

Основные ошибки, на которые стоит обратить внимание: Hitting with the knuckle side of the fist instead of the bottom pad — this negates the safety advantage / Swinging too wide and losing accuracy — the hammer fist should follow a controlled arc / Not using the shoulder and core to power the strike — arm-only hammer fists lack force / Throwing hammer fists from outside range where a punch would be more effective.

Какие ещё названия есть у Hammer Fist?

Hammer Fist также известен как Tettsui-uchi, Tetsui Uchi, Fist Hammer, Bottom Fist.