What Brazilian Jiu-Jitsu Taught Me About Injuries

Why I keep coming back to this question

What Brazilian Jiu-Jitsu taught me about injuries is simple to say and hard to live by: the technique that finishes a roll and the technique that ends a training block are often the same technique, held a second too long. If you've trained for any length of time, you already know injuries are part of the sport. What's less obvious is why they happen — the specific tissue, the specific direction of load, the specific moment where control was lost. Understanding that changes how you roll, how you tap, and how you rehab.

This is a grappler's view of injury mechanics, written by someone who treats grapplers.

Chokes and strangles: two different things

BJJ lumps them together, but they aren't the same.

Blood chokes (strangles) compress the carotid arteries and reduce blood flow to the brain. The literature on carotid compression suggests loss of consciousness can occur within roughly ten seconds, and it doesn't require complete occlusion — pressure and position do most of the work. The rear naked choke, the triangle, the baseball bat choke and arm-triangle variants all sit in this category. That's why they feel like the lights going out rather than like suffocating.

Air chokes compress the trachea. They're slower, far less reliable, and considerably more uncomfortable. Repeated pressure on the front of the neck is worth avoiding, and hoarseness, difficulty swallowing or persistent throat pain after training warrants medical review rather than a wait-and-see approach.

After any strangle where you went out, or where you have ongoing headache, visual changes, neck pain, numbness or dizziness, that's a medical assessment, not a shrug. Those symptoms need ruling out properly.

Neck cranks and the injuries you don't feel for a week

The first neck crank I took, I filed under "tight muscles." What I actually had was a cervical spine that had been forced into end-range rotation and extension under someone else's bodyweight. Cervical ligaments, facet joints and intervertebral discs don't produce dramatic pain immediately — they produce stiffness the next morning, then a low-grade ache that follows you off the mat.

Can-openers, twisters, guillotine cranks and heavy stack pressure all load the neck in ways that don't respect its normal range. Symptoms worth taking seriously: pain referring into the shoulder blade or arm, pins and needles into the hand, grip weakness, or neck pain that worsens over days rather than settling.

Shoulders and elbows

The shoulder trades stability for mobility, and BJJ is very good at finding the edge of that trade.

• Kimura and Americana load the shoulder in internal or external rotation at end range. Rotator cuff strains, labral irritation and, less often, dislocation are all seen in grapplers.

• Whizzer and underhook battles load the shoulder in an abducted, externally rotated position while you're resisting — a common mechanism for anterior structures.

• Armbars hyperextend the elbow. Done correctly it's elegant. Held past the tap, it can involve the ulnar collateral ligament, the joint capsule, or in bad cases the bone.

A useful pattern to know: the shoulder that aches for weeks after training usually isn't a single dramatic injury. It's cumulative load — hundreds of reps of framing, gripping and posting, on a shoulder whose rotator cuff and scapular control haven't kept pace.

Knees and ankles: the ones that cost you months

Heel hooks aren't dangerous just because they're fast. They're dangerous because they apply rotational force through the knee via the foot, and rotation is exactly what the ACL, MCL, LCL and menisci are least equipped to absorb. The knee often gives before the ankle complains, which is why the pain signal arrives late.

Knee bars produce hyperextension. Straight ankle locks load the talocrural joint and the anterior structures of the ankle. Toe holds add rotation to the subtalar joint. And the unglamorous injuries — the ones I see most — come from guard passing collisions, planted feet in scrambles, and stepping on a foot mid-standup.

Two habits I've watched change grapplers' training careers: tapping early to rotational leg entanglements, and not chasing a submission you don't have the control to enter cleanly.

What assessment actually looks like

When a grappler comes in, the history matters as much as the testing. I want to know the position, the direction of force, whether it was your own movement or someone else's, whether you heard or felt anything, whether you finished the session, and how it behaved over the following 48 hours.

From there, assessment typically includes range of motion, strength testing (often with a dynamometer for the shoulder and knee), joint-specific special tests, load tolerance testing, and screening for anything that needs imaging or medical referral. For neck injuries, that includes a neurological screen. For suspected ligament injuries in the knee, it includes stability testing and a discussion about whether a scan changes the plan.

What rehab tends to involve

Rehab for grappling injuries is generally staged rather than fixed. Early on, the aim is usually to settle irritability and keep the surrounding system loaded. From there, progressive strengthening — tendon and muscle adapt to load applied at appropriate intensity over time, which is why loading is central rather than optional.

The part people skip is the return-to-mat progression. Drilling with a compliant partner, then positional sparring with restrictions, then limited rounds, then open rolling — each stage tests something the previous one didn't. Skipping straight from "it doesn't hurt walking around" to a hard Saturday session is where re-injuries cluster.

Timeframes vary considerably between individuals and injuries, and honest rehab planning uses criteria — strength symmetry, range, load tolerance under fatigue — rather than dates on a calendar.

What the sport actually taught me

That the human body is both more fragile and more adaptable than it looks. That the tap is a technical skill, not a character flaw. That the injuries which end training careers are rarely the dramatic ones — they're the ones ignored for three months.

Respect the mechanics of your favourite submissions, including when they're being applied to you. Train the tissues you ask the most of. Get things looked at while they're still small.

If you would like it assessed, you can book a free injury assessment.