SHALLOW K GUARD | Matrix Back Take & Calf Slicer | 4K
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Standard Calf Slicer Choke·玉木強 / YOSHI JIU-JITSU TECH
Low-K Guard is the useful way to expose the opponent’s back. I breakdown Low-K Guard entry from closed guard, Matrix bac…
Перевод: standard calf slicer choke
Дистанция и классификация
Категория
Удар и защитаЗамкиБлижний бойБой против нескольких
Дистанция
БлижняяСредняяДальняя
Целевая зона
Верхняя частьСредняя частьНижняя часть
Обзор
The standard calf slicer (also called calf crusher or calf lock) is a compression lock that wedges the attacker's shin or forearm behind the opponent's knee while folding the lower leg over it, crushing the calf muscle between the fulcrum and the thigh. [1],[2] From guard positions, the attacker threads a leg or arm behind the opponent's knee, then pulls the foot toward the buttock to compress the calf against the fulcrum. [1] The intense muscular compression causes severe pain and can damage the knee joint if the opponent does not tap. [1],[3]
История и происхождение
Calf slicers have roots in sambo and catch wrestling, where leg compressions were standard submissions. [1],[2] In BJJ, calf slicers are restricted to brown and black belts under IBJJF rules due to the knee injury risk. [1] The technique has become more prominent in no-gi competition and MMA. [1],[3]
Страна происхождения· показано в случайном порядке
- БразилияБразильское джиу-джитсу, Сабмишн-грэпплинг, ММА
- ЯпонияБразильское джиу-джитсу, Дзюдо, Сабмишн-грэпплинг
- СШАСабмишн-грэпплинг, ММА
- РоссияСамбо
Эффективность
The standard calf slicer applies forearm or shin pressure against the opponent's calf muscle, compressing it against the femur. [1]
Родословная
Standard calf slicer technique was codified in BJJ from sambo compression lock methods. [1]
Соревновательные результаты
Standard calf slicers are used in IBJJF (brown/black belt), ADCC, and MMA competition. [1]
Изображения
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Биомеханический механизм
Primary Action — Anterior compression of the trachea and airway — direct pressure on the throat restricts breathing and triggers tap
Joints Involved — Cervical spine (flexion under pressure), hyoid bone region, laryngeal cartilage
Force Vector — Posterior-to-anterior force drives the forearm or wrist blade into the throat
Choking Mechanism — Tracheal compression — restricts air flow rather than blood flow, causing sensation of suffocation
Позиция и вход
From top half guard — Thread the shin behind opponent's knee, triangle the legs to trap the calf, extend to compress
From truck position — Control from the truck, thread the leg across the calf and lock the compression
From ashi garami — During leg entanglement, reposition the shin across the calf and apply the slicer
Варианты
Standard calf slicer — shin across the calf with triangle leg lock compressing the muscle
Truck calf slicer — applied from truck position after a back-take attempt
Standing calf slicer — trapping the calf during a scramble or guard exchange
Видео
Bicep slicer. Very painful submission
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Standard Calf Slicer Choke·IVAN VASYLCHUK. SILA PARTERA
Bicep slicer. Very painful submission. https://goo.gl/ovozJ7 - Knee bar with legs (VasylchukBar)))) Calf slicer done in…
SLX Matrix Calf Slicer to the Back - Adam Benayoun | #BJJ #NOGI
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Standard Calf Slicer Choke·Digitsu
Adam Benayoun is a top 10 ranked grappler on FloGrappling and black belt under Ryan Hall. SLX Evolution is not your trad…
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3 videosЧто говорят инструкторы
The standard calf slicer choke from guard is a compression lock submission that leverages leg trapping mechanics to target the opponent's calf muscle and create submission pressure. SILA PARTERA (Ivan Vasylchuk) describes the technique as a 'bicep slicer' executed from a foot-grab defense position, emphasizing wrist control and immobilization—securing both hands around the opponent's wrist while controlling position with a heel-on-knee base, then pulling to apply pressure. Digitsu (Adam Benayoun) presents the technique as part of a matrix back-take sequence from the SLX position, where the outside leg creeps across the opponent's leg and, after building hand control around the hips with an S-grip, the practitioner falls to their inside shoulder to threaten the calf slicer while destabilizing the opponent toward a back take. YOSHI JIU-JITSU TECH (玉木強) teaches the calf slicer from a shallow K-Guard setup, demonstrating how to transition from close guard through bridge-and-scoop mechanics, then circle the leg behind the knee and use belt grip control with heel pressure behind the opponent's heel to execute the submission by pulling hips and extending the leg. All three instructors agree on the core mechanism: using leg entanglement with hip pressure and pulling to compress the calf, though Vasylchuk emphasizes preventing the opponent from rolling out, while Digitsu and Yoshi highlight transitions and positional control preceding the lock's application.
Сформировано на основе 3 инструкторов
- SILA PARTERA — Bicep slicer. Very painful submission: Describes wrist-control mechanics, heel-on-knee base positioning, preventing roll-out defense, and immobilization strategy to apply submission pressure.
- Digitsu — SLX Matrix Calf Slicer to the Back - Adam Benayoun | #BJJ #NOGI: Presents calf slicer within SLX-to-matrix back-take framework, detailing leg creeping, S-grip hip control, falling mechanics, and destabilization as precursor to submission.
- YOSHI JIU-JITSU TECH — SHALLOW K GUARD | Matrix Back Take & Calf Slicer | 4K: Teaches calf slicer entry from shallow K-Guard via bridge-and-scoop, heel pressure positioning, belt grip control, hip pulling and leg extension mechanics, with defensive response considerations.
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Оценки
Риск травмы для человека, к которому применяется техника
7
Очень высокий7/10
Standard calf slicer crushes the calf against the shin while attacking knee ligaments
Уровень мастерства, необходимый для надёжного выполнения техники
Продвинутый
Разрешена ли техника по основным соревновательным правилам
Запрещено
— IJF — Only elbow joint locks permitted in judo — compress...
IJF Sport and Organisation Rules 2025, Article 27PDFОграничено
— IBJJF — Brown and black belt only
IBJJF Rules Book v6.0, June 2024PDFРазрешено
— ADCC — Legal
ADCC Rules Update, April 2025PDF— Unified MMA — Legal
Unified Rules of MMA, August 2025PDF— FIAS Sport Sambo — Legal
FIAS International Sambo Competition RulesPDF— FIAS Combat Sambo — Legal
FIAS Combat Sambo RulesPDFЗаметки по тренировке
✓The standard calf slicer positions the attacker's shin behind the opponent's knee from a leg entanglement, then uses both arms to fold the lower leg against the shin fulcrum (Danaher, Leg Lock Anthology, 2019)
✓Entry: from a leg entanglement or truck position, thread your shin behind the opponent's knee so your shin bone sits across the back of their knee crease
✓Finishing: grab the opponent's foot or ankle with both hands and pull the lower leg toward their hamstring — folding the calf against your shin
✓The hips drive forward to add pressure — pushing the fulcrum deeper into the knee pit while the hands fold the lower leg
✓The opponent's hip must be controlled (usually by hooking it with your other leg) — if they straighten the leg, the slicer releases
✓The standard finish uses a figure-four grip on the foot: one hand grabs the toes, the other grips the ankle — controlling the entire lower leg
✓The tap usually comes from the compression pain in the calf — but if the opponent resists, the knee begins to hyperextend, creating joint-lock danger
Типичные ошибки
!Not positioning the shin correctly — the shin must sit directly in the knee crease; misplacement reduces compression
!Pulling the foot without hip pressure — the hips must drive forward simultaneously with the hand pull for maximum effect
!Releasing hip control — the opponent will try to straighten the leg; maintain the hook on their hip throughout
!Applying with a loose grip on the foot — the grip must be secure; a loose grip allows the opponent to retract the leg
!Not recognising the transition to heel hook — from the calf slicer position, a heel hook is often available; be ready to flow
!Relying only on the compression — if the calf slicer isn't tapping the opponent, the knee hyperflexion component adds urgency
!Not training the defence — recognise the shin insertion early and straighten the leg before the fold is applied
Связанные техники
Контрприёмы
Цепочка подготовки
1Establish Position — achieve the controlling position needed for this submission
2Create the Threat — begin the submission setup to force a defensive reaction
3Secure the Hold — lock the submission grip with proper body mechanics
4Finish — apply increasing pressure until the opponent taps or the joint/choke takes effect
Источники и ссылки
Основной источник
Shooto / Japanese Catch Wrestling
1КнигаShooto / Japanese Catch Wrestling
Japanese terminology sourced from Shooto / Japanese Catch Wrestling
2ДругоеShooto (Japanese MMA)
Japanese MMA pioneer organization — technique terminology
3ДругоеJapanese Combat Sports Katakana Convention
Standard katakana transliteration of Western martial arts terminology (外来語) — used in Japanese MMA, boxing, and BJJ communities
4ЦитатаShooto / Japanese Catch Wrestling
Japanese terminology sourced from Shooto / Japanese Catch Wrestling
Сообщество
Атлетизм
Requires
shin pressure, leg triangling ability
Favours
bony, angular shins for sharper compression
Key muscles
quadriceps, hamstrings, calf muscles (for leg triangle lock)
Часто задаваемые вопросы
What belt levels is the calf slicer legal at?
According to YOSHI JIU-JITSU TECH, the calf slicer is legal at brown belt and above in Ibjjf rules, but it is illegal for white belt, blue belt, and purple belt competitors.
How do I position my leg to set up the calf slicer correctly?
YOSHI JIU-JITSU TECH emphasizes that your arm needs to be shallow, coming around the heel, and your knee needs to be positioned around the opponent's knee rather than the hips. Your leg should be right in front of your hips to properly set up the technique.
How do I prevent my opponent from escaping the calf slicer?
Use your inner thigh to trap and prevent your opponent from pulling their leg out, then pull their hips while extending your hips to finish the submission, according to YOSHI JIU-JITSU TECH.
What should I focus on when transitioning into the calf slicer from the SLX position?
Adam Benayoun (Digitsu) recommends keeping your shin and knee in line with your partner during the transition, staying attached to the near side leg, and remaining aware of how your opponent is using their defensive resources.
Как работает Standard Calf Slicer Choke?
The standard calf slicer (also called calf crusher or calf lock) is a compression lock that wedges the attacker's shin or forearm behind the opponent's knee while folding the lower leg over it, crushing the calf muscle between the fulcrum and the thigh. From guard positions, the attacker threads a leg or arm behind the opponent's knee, then pulls the foot toward the buttock to compress the calf against the fulcrum.
Откуда происходит Standard Calf Slicer Choke?
Calf slicers have roots in sambo and catch wrestling, where leg compressions were standard submissions. In BJJ, calf slicers are restricted to brown and black belts under IBJJF rules due to the knee injury risk.
Разрешён ли Standard Calf Slicer Choke на соревнованиях?
IBJJF: ограничен — Brown and black belt only; IJF: запрещён — Only elbow joint locks permitted in judo — compression locks prohibited; ADCC: разрешён — Legal; Unified MMA: разрешён — Legal; FIAS Sport Sambo: разрешён — Legal; FIAS Combat Sambo: разрешён — Legal
Насколько опасен Standard Calf Slicer Choke?
Оценка опасности 7/10. Standard calf slicer crushes the calf against the shin while attacking knee ligaments
Как подготовить Standard Calf Slicer Choke?
Стандартная цепочка подготовки: Establish Position → Create the Threat → Secure the Hold → Finish.
Как защититься от Standard Calf Slicer Choke?
Стандартные контрприёмы: Early Recognition — identify the submission attempt early and begin defence immediately / Posture and Base — maintain strong posture and base to prevent submission setups / Grip Fight — deny the attacker their preferred gripping configuration.
Какие есть варианты Standard Calf Slicer Choke?
Распространённые варианты: Standard calf slicer (shin across the calf with triangle leg lock compressing t…); Truck calf slicer (applied from truck position after a back-take attempt); Standing calf slicer (trapping the calf during a scramble or guard exchange).
Насколько эффективен Standard Calf Slicer Choke на соревнованиях?
Standard calf slicers are used in IBJJF (brown/black belt), ADCC, and MMA competition.
Какие типичные ошибки при выполнении Standard Calf Slicer Choke?
Основные ошибки, на которые стоит обратить внимание: Not positioning the shin correctly — the shin must sit directly in the knee crease; misplacement reduces compression / Pulling the foot without hip pressure — the hips must drive forward simultaneously with the hand pull for maximum effect / Releasing hip control — the opponent will try to straighten the leg; maintain the hook on their hip throughout / Applying with a loose grip on the foot — the grip must be secure; a loose grip allows the opponent to retract the leg.
Какие ещё названия есть у Standard Calf Slicer Choke?
Standard Calf Slicer Choke также известен как Sutandādo Kāfu Suraisā Chōku, Calf Slicer, Calf Crush, Calf Compression Lock.