スタンダード後腰固め(Sutandādo Ushiro Koshi-gatame)
HybridTranslation: standard rear waist lock
The Standard Rear Waist Lock secures a locked grip specifically around the opponent's waist from behind, with the hands clasped at or below the navel line. [1] The attacker maintains chest-to-back contact with hips tight against the opponent's buttocks, creating a unified base from which to execute lifts and returns. [1],[2] The standard rear waist lock is the starting position for gut wrenches (rolling the opponent over the locked arms), mat returns (driving the opponent to the mat), and rear lifts (elevating the opponent before depositing them). [2],[3]
The standard rear waist lock is one of wrestling's oldest and most universal positions, appearing in virtually every wrestling tradition worldwide. [1] In Greco-Roman wrestling, mastery of the rear waist lock and its associated attacks is considered essential for competitive success at all levels. [2],[3]
The rear waist lock is the standard finish position for go-behind takedowns in wrestling, and in Greco-Roman wrestling it is the primary position for the gut wrench and mat return sequences. [1] Petrov describes the rear waist lock as 'the single most advantageous position in Greco-Roman wrestling' because scoring from the rear waist is almost guaranteed. [1]
The foundational par terre position in Greco-Roman wrestling. [1]
The standard rear waist lock is a foundational grip in Greco-Roman wrestling used to execute lifts and returns in competition. [1]
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The standard rear waist lock is a foundational clinch control position taught across self-defense, striking, and grappling contexts. Self Defense Classes emphasizes escape mechanics from rear waist grips, focusing on psychological and postural elements: maintaining a firm stance to prevent being lifted, feigning discomfort to mislead the attacker's intentions, and executing systematic escapes including shimmy techniques, palm strikes to the waist bone, foot stomps to weaken the attacker's base, wrist locks, and hip throws. FightTIPS (via Petchboonchu) approaches the waist lock as part of broader Thai clinch domination, stressing hand positioning on the inside (triceps control or steering wheel grip) to prevent elbow strikes, maintaining a wide stance with lowered center of gravity, and using the rear waist lock (or low body lock variant) as a setup for sweeps via knee bumps, hip rotation, and head control. Tarik BJJ treats the body lock as a passing mechanism in grappling, where the grip is maintained while transitioning through positional sequences—isolating the opponent's leg, moving the head to the opposite side, and converting into knee slide or mount positions. All three instructors agree that controlling the opponent's posture through hip positioning and body weight distribution is essential, though their tactical applications diverge: self-defense emphasizes escape, striking emphasizes dominant control and offensive positioning, and grappling emphasizes transitional passing.
Synthesized from 3 instructors
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Risk of injury to the person this technique is applied to
Body clinch positions enable throws and takedowns; rib compression risk
Skill level needed to execute this technique reliably
Whether this technique is allowed under major competition rule sets
Freestyle Wrestling: A Complete Guide for Coaches and Wrestlers (Petrov, 1977)
Alias sources — [1] Wrestling Physical Conditioning Encyclopedia (Welker, 2010) [2] Greco-Roman Wrestling (Petrov, 1987) [3] UWW Technical Terminology (UWW, 2018)
Effectiveness sources — [1] Greco-Roman Wrestling (Petrov, 1987)
Mixed Japanese-Western terminology — combines traditional Japanese terms with katakana loanwords
Alias sources — [1] Wrestling Physical Conditioning Encyclopedia (Welker, 2010) [2] Greco-Roman Wrestling (Petrov, 1987) [3] UWW Technical Terminology (UWW, 2018)
Effectiveness sources — [1] Greco-Roman Wrestling (Petrov, 1987)
grip strength, upper body endurance, balance under pressure
strong arms and shoulders, stable base
forearms, deltoids, core, hip muscles
Instead of keeping your arms on the high back, go for the low back and push on the lat—this makes it much harder for your opponent to escape (fightTIPS — Petchboonchu).
Keep your hips in tight and your head up, then reach your arm around and pop your shoulder through to create an opening for your other arm to swim out (fightTIPS — Petchboonchu).
Take a firm stance, stomp on your attacker's feet to weaken their leg, then step in to break free from the grip (Self defense Classes).
The Standard Rear Waist Lock secures a locked grip specifically around the opponent's waist from behind, with the hands clasped at or below the navel line. The attacker maintains chest-to-back contact with hips tight against the opponent's buttocks, creating a unified base from which to execute lifts and returns.
The standard rear waist lock is one of wrestling's oldest and most universal positions, appearing in virtually every wrestling tradition worldwide. In Greco-Roman wrestling, mastery of the rear waist lock and its associated attacks is considered essential for competitive success at all levels.
Unified MMA: legal — Legal — clinching is integral to MMA; IJF: legal — Legal — kumi-kata (grip fighting) is fundamental to judo; IBJJF: legal — Legal — standing grip fighting and clinch work permitted; IFMA: legal — Legal — the clinch is a core element of Muay Thai, clinch dominance is highly…; WBC/Boxing: restricted — Holding is technically a foul — referee breaks clinch, excessive holding resu…; K: restricted — 1/GLORY — One attack from clinch allowed, then referee breaks; WAKO: restricted — Clinch generally broken by referee — limited or no clinch fighting in most fo…; UWW: legal — Legal — clinch is fundamental to wrestling, the primary position in Greco-Roman
Danger rating 4/10. Moderate — body clinch positions enable throws and takedowns; rib compression risk
The standard setup chain: Close Distance → Establish Primary Grip → Position the Hips → Apply Pressure.
Standard counters include: Pummeling — fight for inside position by swimming arms under opponent's grips / Frame and Push — create distance using forearm frames against the chest or neck / Grip Break — systematically strip the opponent's controlling grips / Posture Up — straighten the spine and drive the hips forward to break clinch control.
Common variants: Standard variation (primary clinch configuration from the most common entry); Gi variation (adapted with collar and sleeve grips for gi-based grappling); No-gi / MMA variation (modified for no-gi or cage fighting conditions); Offensive variation (configured to set up strikes, takedowns, or submissions f…).
The standard rear waist lock is a foundational grip in Greco-Roman wrestling used to execute lifts and returns in competition.
Top errors to watch for: Sitting directly behind the opponent instead of slightly offset — the angle determines your throwing direction / Locking hands above the hips — at the hip bones gives maximum lifting leverage / Pressing weight onto the opponent with your upper body while your hips are disengaged — hips must drive into their back / Not popping the hips before attacking — the hip displacement initiates every par terre technique.
The Standard Rear Waist Lock is also known as Sutandādo Ushiro Koshi-gatame, Basic Rear Waist Lock, Standard Back Waist Grip, Rear Midsection Lock.
