You’ve worked hard to earn the mount. You’ve passed the guard, survived the scramble, and settled your weight into one of Brazilian Jiu-Jitsu’s most dominant positions. And then — nothing. Your opponent tucks their elbows tight to their ribs, builds a rigid frame against your hips, and no matter how hard you pull, pry, or muscle, those arms simply will not come free. Sound familiar?

At every level, from white belts to seasoned competitors. The mount is theoretically your highest-percentage position for submissions and back takes, yet untrained offensive mechanics can make it feel like a dead end rather than a launchpad.

In this post we’re going deep on a specific instructional clip from Gordon Ryan — widely considered the greatest no-gi submission grappling competitor of all time — in which he breaks down a precise, leverage-based method for isolating arms from the mount that doesn’t rely on strength, luck, or exhausting your opponent into mistakes. We’ll also expand on why the mount looks and behaves differently depending on whether you’re wearing a gi, competing no-gi, or fighting in an MMA cage, and why understanding those contextual differences is essential for every well-rounded grappler.

Watch: Gordon Ryan Breaks Down Mount Arm Isolation

Before we dive into the technical breakdown, watch the clip that sparked this post. Gordon Ryan walks through his exact process for using body structure — not brute strength — to create the leverage needed to strip away even the most stubborn elbow-tuck defense.

Credit: Gordon Ryan / DanaherJitsu. Highly recommended follow for anyone serious about submission grappling.

Why the Mount Is One of BJJ’s Most Important Positions

In the IBJJF point system, the full mount earns 4 points — the highest single positional score in competition. In submission-only rulesets like ADCC, the mount doesn’t score points, but it remains a critical transitional position that opens the path to high-percentage finishes: the cross-collar choke (gi), the armbar, the Kimura, the rear naked choke, and the triangle, among others.

The core value of the mount is simple: it puts all of your weight directly through your opponent’s torso while their hips are pinned to the floor. They can’t use lower-body strength effectively. Their mobility is severely restricted. And critically for today’s discussion, their arms are in a terrible defensive position — they’re caught between needing to frame against your hips to prevent a higher mount, and protecting their neck and face. That conflict is exactly where Gordon Ryan’s system finds its opening.

Want to understand the broader positional hierarchy in BJJ? Check out our complete positional guide for beginners on the BJJ Mississauga blog.

Odds are you know Gordon Ryan and but incase you dont…

Gordon Ryan is an American submission grappling competitor who trains under John Danaher at the New Wave Jiu-Jitsu academy. He is a multiple-time ADCC Submission Wrestling World Champion, Who’s Number One (WNO) Champion, and is broadly recognized as the most dominant no-gi competitor in the modern era of grappling. What separates Ryan from many elite competitors is not just his athleticism — it is his ability to articulate why techniques work at a mechanical and conceptual level, and then to simplify them into teachable sequences that can be applied by grapplers of all body types.

Ryan’s coach, John Danaher, famously prioritizes what he calls “positional control before submission attempts” — a philosophy that flows directly into the technique we’re analyzing today. You don’t chase the arm; you control the position so thoroughly that the arm has nowhere left to go.

The Full Breakdown: Gordon Ryan’s Centerline Head-Shift for Mount Arm Isolation

Let’s unpack the technique step by step, with added context for each detail so you understand why each component exists — not just what to do.

Step 1: The Centerline Head Shift — The Most Overlooked Detail

Most grapplers attack arms from the mount while keeping their head roughly centered over their opponent’s chest or chin. Ryan’s critical insight is that this symmetrical positioning actually works against you. When your weight is centered, your opponent can frame and resist against a balanced base.

The fix: Before initiating any arm attack, shift your head deliberately across your opponent’s centerline — toward the opposite side from the arm you intend to attack. If you’re going after the right arm, shift your head left. This seemingly small movement has a cascading mechanical effect: it loads your body weight asymmetrically, creating a new line of pressure that your opponent’s frame isn’t designed to resist. It also subtly opens the near-side shoulder, giving your underhooking arm a new angle of entry.

Drilling cue: Practice the head shift in isolation first. Mount a partner, and simply practice moving your head left and right across their sternum while maintaining your hip position. Notice how your partner’s ability to bridge and frame changes with each shift. That feeling is the leverage you’re learning to exploit.

Step 2: Extend and Lift — Using Lever Mechanics, Not Bicep Curls

Once your head is across the centerline, your underhooking arm (the arm snaking under their elbow) needs to do more than just dig and pull. The key is a subtle straightening of that arm as you shift your weight.

Think about the mechanical difference between a bent arm pulling and a straighter arm leveraging. A bent arm relies primarily on your bicep — a single muscle group pulling against your opponent’s entire defensive structure, which includes their lats, triceps, and core. A straighter arm converts your entire body’s postural shift into an upward force through their elbow joint. You’re no longer arm-wrestling their arm; you’re using your skeleton as a lever.

This is a foundational principle in Danaher system grappling: use your structure to do what your muscles can’t.

Step 3: The Arc Walk — Getting the Elbow Above the Shoulder Line

Now you begin the “finger walk” — but with purpose and direction. The goal isn’t just to move the arm; it’s to get their elbow above their own shoulder line. This is the critical geometric benchmark that Ryan identifies.

Why does this matter? Below the shoulder line, your opponent’s arm is in a mechanically strong position — their elbow is connected to their rib cage by proximity, their tricep can resist effectively, and they can re-anchor the elbow at any time. Once the elbow rises above the shoulder line, the geometry changes completely. The arm is now extended, isolated, and structurally weakened. It becomes a lever that you can direct toward an armbar, Kimura, Americana, or use to off-balance them for a back take.

Walk the arm in an arc — upward and outward — not straight up, not straight out. The arc follows the natural rotation of the shoulder joint and is therefore the path of least resistance. Fighting the shoulder’s anatomy makes the technique harder; working with it makes it smoother.

Step 4: Pin With Weight, Not Grip — The Collarbone Press

Here is where many grapplers lose the arm even after getting it to the right position: they try to squeeze or grip it in place. Gripping is muscular; it fatigues, and a fresh opponent can often pop their arm free from even a tight grip.

Ryan’s solution is elegant: once the arm is isolated above the shoulder line, connect your underhooking hand to your own elbow or tricep (creating a self-reinforcing structure), and then drive your collarbone and shoulder forward, loading your body weight through the trapped arm toward the mat. Cross your ankles underneath for hip stability and base.

Now you’re not holding the arm with a grip — you’re burying it under your bodyweight. Your opponent’s options become binary: defend the submission you’re now setting up, or give up the position entirely trying to free the arm. Either way, you win.

Mount Arm Isolation Across Contexts: Gi, No-Gi, and MMA

Understanding how to isolate arms from the mount is one thing. Understanding how the mount itself changes depending on your context is what elevates a good grappler to a complete one. Let’s break down the three major environments.

The Mount in the Gi

In gi Brazilian Jiu-Jitsu, the mount is an incredibly rich offensive position because the fabric of the uniform creates dozens of additional control and submission entry points that simply don’t exist in no-gi or MMA.

Key gi-specific advantages from the mount:

Collar grips: The gi collar is one of the single most powerful control tools in all of grappling. From the mount, gripping the cross-collar with one or both hands allows you to maintain crushing downward pressure, set up the cross-collar choke, or use the grip to help lift and isolate the elbow in combination with Ryan’s head-shift method.
Sleeve grips: Controlling the sleeve of the arm you’re attacking gives you a direct handle on the limb. You can pull the sleeve upward to assist the arc walk, or trap the sleeve against the mat to assist your collarbone press. Gi grips reduce your reliance on pure body mechanics — but don’t let that make you lazy; the mechanics still matter.
Lapel attacks: Advanced players at brown and black belt levels use the gi lapel to construct complex wraps and traps from the mount that can secure an arm before the opponent even realizes the threat is being built.
Slower pace, higher detail: Because gi friction slows scrambles and escapes, attacks from the mount in the gi tend to be more methodical. Your opponent has more time to build a defensive structure — and so do you to dismantle it. Ryan’s head-shift technique, with its emphasis on patience and leverage, is particularly well-suited to the gi environment.

The gi-specific challenge: Your opponent also gets the benefits of grips. An experienced gi player will use sleeve grips, pants grips, and collar grips to build frames and facilitate their mount escapes. Be aware that your underhooking arm is vulnerable to wrist grabs and sleeve traps — part of why Ryan’s technique moves the arm in an arc (harder to counter-grip) rather than a straight line (easy to intercept).

Want to drill mount attacks specifically in the gi? Ask your instructor at BJJ Mississauga’s gi classes about mount offense drilling rounds.

Remove the gi, and the mount becomes a fundamentally different challenge — and this is the context in which Gordon Ryan’s technique was primarily developed and refined.

Key no-gi differences:

No fabric handles: Without sleeve or collar grips, your ability to control limbs and head position depends entirely on underhooks, overhooks, seat belt grips, and body-on-body friction. This is why the structural approach Ryan teaches — using your collarbone and body weight rather than grip strength — is so critical in no-gi. You cannot simply grab a sleeve and drag it upward.
Higher escape velocity: No-gi surfaces are more slippery (especially with sweat), and opponents can bench-press and frame with more ease because there’s nothing for you to grab and negate their frames with. Expect mount escapes to be faster and more explosive. This makes your head position even more important — if you’re centered, you’ll get bumped; if you’ve shifted your head and loaded your weight asymmetrically, a bump becomes much harder.
Submission selection shifts: In no-gi, the armbar and rear naked choke (via back take) are the most accessible submissions from the mount, because they don’t require cloth-specific grips. The Kimura is still very viable if you can get the arm into position, but it requires excellent body mechanics (like Ryan’s method) because you can’t use a sleeve to assist the initial isolation. The cross-collar choke is off the table entirely.
Wrist control replaces sleeve grips: At the highest levels of no-gi, wrist control becomes the primary way to manipulate arm position. If you can get a wrist before your opponent tucks it fully, you have a handle to begin the arc walk from. Combine this with the head shift and you have a powerful entry.

No-gi conceptual truth: Because no-gi removes the “easy” grip-based control tools, no-gi mount offense forces grapplers to truly understand the mechanics behind position and leverage. Athletes who learn to isolate arms in no-gi using structural methods like Ryan’s will find that those same skills transfer powerfully back to the gi — but not always vice versa. This is why many top academies, including those at the elite competition level, do significant no-gi work even for primarily gi competitors.

We offer no-gi grappling classes throughout the week — check our current schedule here.

The Mount in MMA — Why Everything Accelerates

MMA ground and pound from the mount is one of the most dangerous positions in all of combat sports, and understanding why it’s different from pure grappling contexts is essential for any practitioner interested in self-defense or mixed martial arts.

Strikes change the defensive calculus entirely:

The frame becomes a liability: In gi or no-gi grappling, building a frame against the top player’s hips is a viable, time-buying defensive strategy. In MMA, a wide frame — arms extended pushing on hips — exposes your face completely to downward hammerfists and elbows. Intelligent MMA fighters on top will punch their way through the frame, forcing the bottom player to abandon it and cover their face, at which point the arm isolation becomes dramatically easier.
Arm isolation happens faster: Because the person on bottom cannot maintain an extended, pressing frame indefinitely under strikes, they are forced into a tighter, more defensive shell — curling into the fetal position, covering their head. This tighter defensive position actually creates arm isolation opportunities that would take minutes of patient grappling in pure submission scenarios. A well-timed strike threat can open an arm in seconds.
Submissions are harder to finish: This is the crucial trade-off. While strikes make arms easier to isolate, they make submissions harder to finish. Why? Because the bottom player knows they must prioritize survival over position — they will not tap to positional pressure the way they might in a gi match; they will fight through pain, accept bad positions, and accept joint stress if the alternative is taking a direct strike to the face. Additionally, the top player’s hands are occupied with punching or defending against bucking, making fine grip work on Kimuras and armbars more difficult. Keeping Ryan’s concept of using body weight (rather than grip strength) to pin the arm becomes even more important in this environment — your collarbone is always available even if your hands are busy striking.
The back take becomes the premium goal: In MMA, fighters on bottom instinctively turn away from strikes — rolling to their side or belly to protect their face. Top fighters who understand mount mechanics use this to transition to the rear mount, where the rear naked choke is waiting. This is why you’ll see elite MMA fighters like Khabib Nurmagomedov, Islam Makhachev, and Charles Oliveira constantly threaten submission while positioning for the back, rather than committing exclusively to one finish from the mount.

The MMA conceptual truth: In MMA, the mount is primarily a striking platform that doubles as a submission setup. The strikes themselves are the tool that creates the openings — they force the opponent to abandon sound defensive structure, and that abandonment is where the arm isolation (and Ryan’s technique) becomes decisive. Grapplers transitioning to MMA need to understand that their pure grappling mount offense will not translate directly — they need to layer the threat of strikes even in drilling to develop realistic reactions.

Common Mistakes When Attacking from the Mount (And How Ryan’s Method Fixes Them)

Mistake 1: Muscling the Arm With a Bent Elbow

The bicep curl approach to arm isolation. Your arm is in a mechanically weak position, and your opponent’s defensive muscles — tricep, lat, shoulder girdle — collectively outpower your bicep curl. Fix: Extend the underhooking arm as you shift your head, converting the effort to a full-body leverage movement.

Mistake 2: Low Double Underhooks Without Posting

Getting under both arms sounds powerful, but if your hips aren’t high and your head isn’t posted or shifted, a strong opponent can bridge and roll you with a solid upa escape. You’ve actually helped their escape attempt. Fix: Establish your head position first. Commit to one arm at a time with the structural pin Ryan describes.

Mistake 3: Isolating the Arm Without Controlling the Destination

You win the arm isolation, raise it above the shoulder line — and then stop, unsure what to do next. Your opponent feels the pressure release and immediately reclaims their position. Fix: Have your submission or back-take entry decided before you begin the isolation. The arm is a vehicle; know your destination before you start driving.

Mistake 4: Celebrating the Isolation Instead of Converting

Related to the above — elite defenders are comfortable in temporarily bad positions. Getting the arm above the shoulder line is not a submission; it’s a prerequisite. Act immediately upon achieving it, using your pre-committed next move. Hesitation is your opponent’s best friend.

Mistake 5: Ignoring the Head Position Entirely

Many players follow everything except the head shift, because it feels counterintuitive to move away from the arm you’re attacking. This is the most important mistake to correct — without the head shift, the leverage chain is broken at its source. Drill the head shift in isolation until it becomes reflexive.

Train the Mount at BJJ Mississauga

At BJJ Mississauga, we place a strong emphasis on positional mastery and conceptual understanding — not just drilling moves in isolation. Our curriculum covers both gi and no-gi Brazilian Jiu-Jitsu, with structured positional rounds, live sparring, and competition preparation for those who want to take their game to tournaments across Ontario and beyond.

Whether you’re a complete beginner curious about starting BJJ in Mississauga, or an experienced practitioner looking to sharpen your mount offense, our adult BJJ classes and kids BJJ program are designed to help you improve every time you step on the mat.

📍 Conveniently located in Mississauga, serving grapplers from Mississauga, Brampton, Oakville, Etobicoke, and the broader Greater Toronto Area (GTA).

👉 Claim your free trial class today and come see what structured BJJ training looks like on the mat.

Final Thoughts: Mechanics Over Muscle

The mount is one of the positions that most clearly separates technical grapplers from athletic grapplers. A strong, athletic person can hold the mount down and make their opponent uncomfortable — but without mechanical understanding, they will struggle to finish against any competent defender. What Gordon Ryan’s head-shift and body-weight arm isolation system offers is a repeatable, structured process that works regardless of size, strength, or athleticism match-up.

The central lesson — shift your head, extend and leverage, walk the arc, pin with bodyweight — is a four-step chain that holds together in the gi, adapts to no-gi, and becomes a decisive edge when combined with the strike threat in MMA. Master the mechanics, understand the context, and the mount stops being a position you hold and starts being a position you hunt.

See you on the mats.

— The BJJ Mississauga Team

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