Accessory Work That Actually Matters for CrossFit
Updated: 23 hours ago
If I could keep only one accessory exercise in your program, it wouldn't be the one that makes your arms look good in the mirror. It would be a rear-foot-elevated split squat. The second would be a row. Somewhere near the bottom of my list, if it made the list at all, would be the fourth variation of biceps curls I see athletes doing after class.
I say that with love, because I did my share of those curls in my first year of CrossFit. They felt productive. They didn't do much for my cleans. Accessory work is the extra training that sits around your main lifts and workouts: the smaller exercises that build specific muscles, balance out weak spots and help you stay healthy under the volume CrossFit asks for. Done well, it's one of the best investments of 15 minutes you can make. Done randomly, it's just more fatigue.
Accessories fill the gaps. The question is which gaps matter most. Here's my ranking, from the work I'd protect first to the work I'd add last, based on what I see limit the CrossFit athletes I coach most often.
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Number one: single-leg strength
CrossFit is dominated by bilateral movements: squats, deadlifts, cleans, wall balls, thrusters. You can hide a lot of asymmetry in those lifts, with one leg quietly doing more of the work every rep. Single-leg training exposes that and fixes it.
Rear-foot-elevated split squats, step-ups and reverse lunges build strength in each leg independently, challenge balance and control around the hip and knee, and tend to carry over well to running, lunging and landing. They also let you train the legs hard with less load on the spine, which is useful on days your back is tired from heavy pulling.
My usual dose is 3 sets of 6 to 10 reps per leg, twice a week, controlled on the way down. Start with your weaker side and match the reps with the stronger one, not the other way around. The first time I did split squats seriously, my weaker side was humbling. A few weeks in, the difference started closing, and my squats felt more even than they had in years.
Number two: the upper back and horizontal pulling
CrossFit has plenty of vertical pulling and pressing: pull-ups, toes-to-bar, handstand push-ups, jerks. What it often lacks is horizontal pulling, the rowing pattern that strengthens the muscles between and around your shoulder blades.
A strong upper back holds the bar in the rack position during front squats and cleans, keeps your chest up in heavy lifts and supports shoulder health under high gymnastics volume. Dumbbell rows, ring rows, chest-supported rows and seal rows all fit here. I like 3 to 4 sets of 8 to 12 reps with a pause at the top, where you feel the shoulder blade pull back toward your spine.
If you do nothing else from this list, adding rows twice a week is one of the simplest ways to balance the demands of the sport. I've watched athletes whose front squats kept folding forward find a much prouder chest after a couple of months of boring, paused rows. Nobody noticed the rows. Everybody noticed the front squats.
Number three: the posterior chain
Your hamstrings, glutes and spinal erectors power nearly everything in CrossFit, from deadlifts and cleans to kettlebell swings and sprints. They also take a beating from high-rep hinging in workouts. Direct work here builds capacity and resilience.
Romanian deadlifts, hip extensions on the GHD, back extensions, glute bridges and hamstring curls, including the Nordic curl for more advanced athletes, all belong in this category. I aim for 2 to 3 sets of 8 to 12, controlled and never to failure. Nordics are demanding, so introduce them gradually with very low volume and expect some soreness at first.
Number four: the trunk, trained to resist
Many athletes do plenty of sit-ups and toes-to-bar and still struggle to hold a stable midline under a heavy barbell. That's because those movements train your trunk to flex, while most of what the trunk does in lifting is resist movement: bending backward, twisting or collapsing sideways.
Carries, side planks, Pallof presses, dead bugs and hollow holds train that resistance directly. Suitcase carries, one weight held on one side, are a favorite of mine because they force the trunk to stay upright against a lopsided load. Two or three short sets of carries and one anti-rotation exercise, a couple of times a week, are usually plenty.
Coach's cue: Fill the gaps your workouts leave behind, not the ones the mirror points out.
Number five: shoulder care that earns its place
Shoulders do a staggering amount of work in this sport, and they rarely complain until they really complain. Growing up swimming and playing volleyball, I learned early that shoulders reward a little regular maintenance far more than a lot of occasional rehab. Targeted work for the rotator cuff and the muscles that move the shoulder blade can go a long way, especially if you do a lot of gymnastics volume.
Band or cable external rotations, face pulls, Y-raises and scapular pull-ups work well here. Keep the loads light, 2 to 3 sets of 12 to 15 reps with smooth control, and think of it as maintenance rather than a strength test. If you have ongoing shoulder pain, get it assessed by a physiotherapist instead of trying to fix it with extra accessory volume.
Fitting it into a real week
Accessories only matter if they happen consistently, so they have to fit around your classes and life. I build them into short blocks of 15 to 20 minutes, two or three times a week, usually after the main session or on a lighter day. A block might pair one leg exercise with one pulling exercise and finish with a carry or trunk piece.
Priority | Example | Typical dose |
|---|---|---|
1. Single-leg strength | Rear-foot-elevated split squat | 3 x 6 to 10 per leg |
2. Upper back | Chest-supported dumbbell row | 3 to 4 x 8 to 12 |
3. Posterior chain | Romanian deadlift or hip extension | 2 to 3 x 8 to 12 |
4. Trunk | Suitcase carry, side plank | 2 to 3 sets each |
5. Shoulders | Band external rotation, face pull | 2 to 3 x 12 to 15 |
Train accessories with the same care as your main lifts: full range, controlled tempo, and usually a couple of reps in reserve. They're there to make you more durable, not to become another metcon. Progress them slowly, with a few more reps or a little more load every week or two.
Small work, big returns
Accessory work is where the quiet athletes get ahead. It's rarely exciting, and nobody claps for a set of rows. But over months, those small sessions show up as stronger positions, fewer niggles and more consistent training. Respect the details. Keep showing up.
If you'd rather have your accessories and extra work planned with a clear purpose, Sphere Programming adds structured engine and gymnastics development alongside your classes. For a fully personalized plan that includes strength accessories built around your weak points, have a look at individual coaching.
Your turn. Tried this? Tell me how it went in the comments below. I read every one, and your questions help shape what I write next. If it helped, tap the heart so it reaches more athletes.
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Further reading: National Strength and Conditioning Association (NSCA)
Coach Fritz Bautista · Head Coach, ATHLETESPHERE
CrossFit Level 2 Trainer (CF-L2) ✓ · CrossFit Programming Certificate · MBA · Digital Marketing Certified · Coaching athletes from all walks of life online
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