Techniques: O

The Oberhau (descending cut) is the fundamental overhead cut of German longsword fencing, delivered from a high guard (Vom Tag or similar) downward to

Obi Otoshi is a judo hand technique where the attacker grabs the opponent's belt, lifts them, and drops them to the ground. [1] The attacker secures a

The Oblique Back Side Kick is delivered diagonally backward at approximately 45 degrees, combining the mechanics of a back kick with the thrusting tra

The Oblique Front Kick is a downward-angled kick directed at approximately 45 degrees into the opponent's lead knee, thigh, or shin, using a stomping

The Oblique Hook Kick is delivered at a non-standard angle, typically with a downward or upward component added to the standard horizontal arc. [1] Th

The Oblique Roundhouse Kick is delivered at a non-standard angle, typically 45 degrees downward or upward from the standard horizontal arc. [1] The an

The Oblique Spin-Back Hook Kick adds an angular component to the spinning hook kick, creating a non-standard trajectory that bypasses conventional def

Ochs (the ox) is a high guard that positions the longsword beside the head with the point aimed at the opponent's face or upper chest, hilt at temple

The Octave Parry (8th parry) defends the low outside line by moving the blade downward and to the outside, with the hand in supination (palm up) and t

The Offensive Whizzer uses the overhook with hip pressure as an attacking tool rather than purely defensive, leveraging the whizzer position to initia

O Goshi (major hip throw) is one of judo's most fundamental techniques, in which the thrower turns in, wraps one arm around the opponent's waist, load

O Guruma is a judo throw where the attacker sweeps across both of the opponent's legs with the extended leg while turning, creating a large wheel effe

Oi Tsuki is the fundamental stepping punch in karate where the practitioner lunges forward with the rear foot stepping to the front while simultaneous

Ōji Waza (counter techniques) are defensive-offensive tactics in kendō where the defender responds to the opponent's attack with a parry, block, or ev

Okuri Ashi Barai (sliding foot sweep) is a foot sweep subfamily where the attacker sweeps both of the opponent's feet simultaneously or in rapid succe

Okuri Ashi Barai (following foot sweep) is a judo foot technique in which the thrower sweeps both of the opponent's feet simultaneously by catching th

The Old School Sweep subfamily covers the classic half guard underhook sweep where the guard player obtains an underhook, comes up to the knees, and d

The Omoplata (Portuguese for 'shoulder blade') is a shoulder lock submission applied from the guard where the attacker uses their legs to isolate the

The one-arm rear naked choke is a variation where the attacker finishes the strangle using only the choking arm without the standard figure-four reinf

The One Arm Variation Behind Head is a rear naked choke species where the choking arm wraps around the opponent's neck under the chin with the bicep a

The one-hand collar choke from back control uses a single deep collar grip with wrist rotation to press the knuckles or forearm blade into the carotid

The One-Legged Drop Back Kick is a drop back kick that lands on one leg only, allowing immediate follow-up techniques without the need for full ground

The One-Sleeve Spider Guard uses the spider guard on one side only — one foot on the bicep with sleeve control — while the other leg is positioned dif

A fundamental two-punch combination consisting of a lead-hand jab immediately followed by a rear-hand cross, the most basic and widely taught combinat

The one-wing collar choke combines an underhook through the opponent's armpit ('wing' control) with a cross-collar grip on the opposite side to create

Open guard encompasses all guard positions where the bottom player's legs are NOT locked around the opponent, instead using feet on hips, hooks on leg

The Open Guard family covers all guard positions where the guard player's legs are not closed around the opponent, instead using feet on hips, hooks,

The Open Guard Stack Pass in MMA involves stacking the opponent's legs overhead while maintaining posture for strikes, transitioning from striking to

The Open Guard Sweep family covers all sweeps from open guard positions — guard variations where the guard player's legs are not closed around the opp

The open guard triangle applies the triangle choke from open guard positions such as spider guard, lasso guard, or de la Riva guard, where the attacke

Strikes delivered with an open hand using the palm, edge of the hand, fingertips, or bottom of the fist, common in traditional martial arts and self-d

Strikes delivered with an open hand, grouping the traditional striking surfaces of Okinawan and Japanese karate — the spear hand (nukite), palm heel (

The Opposite-Side Grip (Kenka-Yotsu) subfamily covers the gripping configuration where the two fighters hold opposite-sided stances — one fights right

The Opposite Side Pass exits the half guard by passing to the opposite side from where the opponent expects, using an underhook and hip switch to reve

A standard jab thrown from an orthodox (left-foot-forward) stance, extending the left fist straight toward the target.

The Orthodox Stance subfamily covers the fighting stance with the left foot forward and the right foot back, used by right-handed fighters as the stan

O Soto Gake (major outer hook) is a judo ashi-waza technique in which the thrower hooks the back of the opponent's leg from the outside using the calf

O Soto Gari (major outer reap) is one of judo's most fundamental and powerful throws, in which the thrower steps alongside the opponent, drives the le

The O Soto Gari Trip subfamily applies judo's major outer reap as a takedown, where the attacker sweeps or reaps the opponent's leg from the outside w

O Soto Guruma is a judo throwing technique classified as ashi waza (foot/leg technique) in the Kodokan syllabus. [1] The attacker breaks the opponent'

O Soto Otoshi (major outer drop) is an ashi-waza technique closely related to o-soto-gari in which the thrower places the leg behind the opponent's su

O Uchi Gari (major inner reap) is a judo ashi-waza technique in which the thrower drives the leg between the opponent's legs and reaps the far leg fro

The Out-Fighting Range Control subfamily covers defensive techniques for maintaining long fighting range, keeping the opponent at the maximum effectiv

The Outside Ankle Pick subfamily targets the opponent's far-side (outside) ankle, reaching to the outside of the opponent's stance to capture the far

The Outside Ankle Trip subfamily targets the opponent's ankle from the outside, using the attacker's foot to hook or block the outer ankle while upper

The Outside Arm Drag subfamily covers arm drags where the attacker pulls the opponent's arm to the outside, away from the opponent's centreline, creat

The Outside Axe Kick subfamily covers axe kicks where the leg is raised by swinging it upward from the outside (lateral side) of the body in a wide ar

The Outside Crescent Kick subfamily covers crescent kicks that travel from the inside to the outside in a sweeping arc, with the kicking leg swinging

The Outside Defence Against Straight Punch is the complementary pair to the Inside Defence, deflecting an incoming straight punch from the OUTSIDE lin

The Outside Defense is a Krav Maga defensive technique where the defender uses the forearm or open hand to deflect an incoming straight attack (punch,

The Outside Elbow Control subfamily covers positions where the attacker controls the opponent's elbow from the outside line, gripping or cupping the o

The Outside Jab Parry uses the lead hand to push the incoming jab outward, away from the defender's face and toward the outside, deflecting the punch

The Outside Low Kick is the most commonly thrown low kick in combat sports, targeting the outside of the opponent's lead thigh (vastus lateralis and I

The Outside Low Single attacks the opponent's far leg from an outside angle, reaching across the body to capture the far ankle from the outside. [1] T

The Outside Slip moves the head to the outside of the incoming punch (away from the opponent's centre), rotating the upper body so the punch passes ov

The Outside Trip family covers techniques where the attacker uses their leg to trip the opponent from the outside — attacking the outside of the oppon

The Outward Ghost Groin Kick is a deceptive crescent-arc kick that feints toward the groin before redirecting outward, exploiting the opponent's prote

The Over-Arms Bear Hug subfamily covers bear hug positions where the attacker's arms encircle the opponent's torso over the top of the opponent's arms

The Over Body Triangle positions the locking leg (the leg that crosses over to complete the figure-four) on top of the opponent's body, typically acro

A looping rear-hand punch thrown over the opponent's guard in a slight arc, dropping the body weight forward and downward on impact.

Vertical downward strike delivered by raising the bo overhead and driving it straight down onto the target.

The Overhook Butterfly Sweep uses an overhook (whizzer) grip on one of the opponent's arms combined with a butterfly hook elevation to execute a power

The Overhook Closed Guard establishes the closed guard with an overhook (whizzer) control on one of the opponent's arms, pulling the arm across the bo

The Overhook Counter subfamily covers the use of the overhook (whizzer) to counter takedown attempts by hooking over the opponent's attacking arm and

The Overhook-Whizzer family covers clinch positions where the attacker hooks their arm over the opponent's arm from the outside, wrapping around the u

The Over The Chin Finish is a rear naked choke variation where the choking arm is applied over the opponent's chin rather than under it — using the fo

The Over the Top Elbow is a looping elbow strike delivered from guard top or mount, arcing over the opponent's guard and dropping down onto the face.

The Over-Under Clinch family covers the clinch configuration where one arm has an underhook and the opposite arm has an overhook, creating a neutral o

The Over-Under Pass is the signature pressure pass where the passer secures one arm OVER the opponent's far leg and one arm UNDER the near leg, clasps

The own-lapel rear noose choke is executed by the attacker pulling their own gi lapel free, feeding it under the opponent's chin from back control, ca