Sitting without back support

Yeah, even though the title pretty much says it all, I should probably mention that I’m not really interested in those ergonomic chairs with the massive headrests—I've already scrolled through the threads on this forum covering that. After reading through them, I decided I’d rather look into what options are out there for sitting WITHOUT a backrest. Hopefully, I can dig up some info that might be useful for me and maybe some of you too.

What I'm trying to figure out is how to actually sit on a chair without a backrest—and stay there for hours—without my back killing me.
I know about the stability ball—but after sitting on one for maybe thirty minutes, my back started aching.
I know kneeling chairs exist—though I haven't had the chance to try one yet.
And I know standard chairs exist, which also start making my back hurt after about half an hour.
Maybe there’s some other alternative style of seating I just don't know about.

Specifically, I'm wondering:
1. If I go with a stability ball as my "chair"—how do I stop the back pain?
a) Just push through the pain every day until my back eventually learns how to handle it?
b) Gradually increase the time I spend on it—like, maybe 20 minutes a day for the first week, then 30 minutes the next, and so on, until I hit roughly 8 hours for a full workday?
c) Do specific back exercises? If so, are we talking yoga, stretching, mobility work, or gym stuff (strength training)? Should I focus on strengthening my back muscles or my core as well? Why the core? My logic is that the abdominal muscles help hold the body up—so if they're too weak, the back muscles have to pick up the slack.

If I view sitting without a backrest as working muscles I haven't used before (since I've always relied on a backrest), then logically, those muscles would need adequate rest to recover. Does that logic hold up for sitting without a backrest? If it does, what should the ratio be between sitting unsupported and letting those back muscles recover?
And what counts as "recovery" for the back? Sitting in a chair with a backrest, stretching, yoga, or something else entirely?

I'd be curious to hear your thoughts on this.

Whether you’re using a lumbar support, sitting without one, or balancing on an exercise ball... the truth is, you'll feel the least amount of pain if you just aren't sitting all day. There isn't some magic formula that lets you sit for eight hours straight without your back paying the price.

Casey Palmer5 said:Whether you use a backrest, skip it entirely, or sit on an exercise ball... the reality is you'll hurt less if you just don't sit as much. There isn't some magic formula that lets you sit for 8 hours straight without your back acting up.

Whether I sit or not is pretty much dictated by my job—and it’s not something I can just change on a whim, even if I wanted to. Plus, I actually love what I do, so I'm not looking to switch careers.

So, you're saying it's impossible to sit for 8 hours without pain? Even if that's true (which I'm pretty skeptical about, honestly), my question still stands: "How can we manage to sit for longer periods without pain—and how do we gradually increase that duration over time?"

1. Mastering proper posture

Basically, you need to sit so your shoulders sit directly over your hips, while your earlobes line up right above your shoulders.
Try to stop hunching forward; keeping your head in a neutral position is non-negotiable if you want to stop wrecking your neck.
Keep your legs relaxed too—for heaven's sake, stop crossing them! You need to keep your spine straight and prevent your hips from shifting to one side.

2. Strengthening the core, the upper and lower back, the shoulders, and the neck muscles.

restlesspanther1 said:2. strengthen the back muscles (upper and lower), shoulders, neck, and core

How do I actually pull that off? I guess—does just sitting upright without using a backrest actually build those muscles over time? Also, what kind of recovery window should I be looking at between strengthening sessions?
And is strength alone enough? For instance—someone else (not me, obviously) who hits the gym five days a week is probably going to have pretty strong muscles. Does that mean they could just sit without a backrest all day?

gentlepuma76 said:How exactly does one achieve that? Does just sitting upright without any back support actually strengthen those muscles over time? And what about recovery—how much downtime do these muscles need between strengthening sessions?
And is strength alone enough? Look, someone (not me, obviously) who hits the gym five days a week and follows a serious fitness regimen likely has incredibly strong core muscles. Does that mean such a person could just sit there without a backrest indefinitely?

I don't quite follow why you're so hellbent on sitting without a backrest. Using a chair with support is just more practical given how your hips are positioned while seated.
When you're sitting in an elevated chair, your hips stay "closed," making back support pretty essential.

If you want to ditch the backrest entirely, you'd be much better off sitting on the floor with your hips in an open position.
But that’s a completely different way of sitting altogether.

Now, if you're hitting the gym five times a week and actually training the right muscle groups, then sure, your spine probably has some extra structural support from all that muscle mass.

It would also be a good idea to get up every hour or so for a minute or two—just walk around, stretch out, and loosen up your back and shoulders.
Nothing intense, just a few quick movements. 🤷

restlesspanther1 said:I don't really get why you'd want to sit without back support—using a chair with a backrest is just more practical for hip positioning
your hips stay "closed" when sitting on something elevated, so having back support is useful

Why do people sit on stability balls? From what I've gathered, I assume it's because sitting in a chair with a backrest causes its own back issues, and the ball helps mitigate that. The alternative is buying a high-end office chair for maybe $400 or $500. Well, between $33 a stability ball and a few hundred dollars for a decent chair, I'll take the ball. That's one reason—not the only one, but it's a significant one.

restlesspanther1 said:for sitting without a backrest, ideally you'd be sitting on the floor with open hips
but that's a different way of sitting entirely

With that kind of posture, I feel like I'm falling apart after just a few minutes. When I used to go to yoga, the meditation part where we sat cross-legged was especially rough because my body just felt like it was collapsing.

restlesspanther1 said:if you hit the gym five times a week and train the right muscle groups, your spine will definitely have some extra support from them

I don't go to the gym five times a week, nor do I plan to. Plus, there's the question of which specific muscles we're talking about—and whether standard gym exercises or machines even target those areas effectively. And the main thing for me is figuring out what kind of program (which exercises, how often) would actually prep my body to sit without a backrest.

restlesspanther1 said:it would also be good to stand up every hour or so for a minute, walk around a bit, stretch, and loosen up your back and shoulders
nothing intense, just a few movements🤷

Yeah, I'm sort of already doing that—mostly because sitting is uncomfortable.

gentlepuma76 said:Plus, I can't help but wonder which specific muscles are actually being worked here—like, would standard gym machines even target them, or do they just hit other muscle groups instead? And my biggest question is: what kind of routine (which exercises, how often) would actually train the body to sit comfortably without any back support?

Which muscles? We're talking about the erector spinae, multifidus, rotatores, transversus abdominis, and so on...
The thing is, you don't really hit these with your standard weightlifting routine at a place like Gold's Gym. You need core stability training, dynamic stabilization programs, or proprioception drills... If you're looking for group classes, think Pilates or yoga, or maybe activities like swimming, rock climbing, or dance. Most gym machines tend to focus on the larger movers, like your lats or your rectus and obliques.
But honestly, I still maintain that sitting is such an unnatural position for the spine that nothing much helps besides just taking regular breaks from sitting. Even then, it’s not enough for everyone. Whether you're on a stool without a backrest or sitting on an exercise ball, it's incredibly easy to end up with terrible, slumped-over posture...

gentlepuma76 said:Why on earth do people sit on those Pilates balls? From what I’ve gathered, the logic is that sitting in a chair with a backrest creates its own set of spinal issues, so they figure the ball helps mitigate that. The alternative is dropping a few hundred bucks on a high-end ergonomic office chair. Well, between $33 buying a Pilates ball and shelling out hundreds for a fancy chair, I’ll take the ball any day. That’s one reason—not the only one, mind you—but it's a significant one.

With that kind of posture, my body starts falling apart after just a few minutes. Back when I used to go to yoga, the meditation portion where you sit cross-legged was absolute torture because my whole body felt like it was disintegrating.

I’m not going, nor do I intend to, hit the gym five times a week. Besides, it raises some serious questions: which specific muscles are actually being engaged here? Would those muscles even develop through standard gym routines, or do weight machines target completely different muscle groups? And more importantly—what kind of program (which exercises, how often?) would actually train my body to be able to sit upright without any back support at all?

Actually, that's exactly what I'm doing right now—mostly because sitting normally has become incredibly uncomfortable.

Sitting on a Pilates ball helps because it activates (and somewhat strengthens) your lower back muscles; since you have to maintain balance, you end up sitting more upright than you would in a standard chair.

Give the Pilates ball a shot then... I don't know if it'll work for you, but it certainly won't hurt.🤷

gentlepuma76 said:I'm not hitting the gym five times a week, and I don't plan to. Plus, there are questions about which exact muscles are being worked—would standard machines even build those specific muscles, or are they just hitting random stuff? Most importantly, what kind of routine (exercises, frequency) actually trains your body to sit upright without needing a backrest?

Look, you shouldn't even be at the gym every single day pounding the same muscle groups, or you'll just burn out and tear yourself apart. You can only go daily if you have a split where you hit different groups every session. Otherwise, 2-3 times a week is the limit.

The gym manager handles goal-oriented programs for you; at the place I used to go, they had everything printed in a huge binder right on the front desk for anyone to check out.

Personally, my favorite machine (can't even remember the name) is for the back; it isolates your legs so you're just working the muscles along your spine while leaning forward toward the floor, maybe hugging a 10lb weight to pull yourself up. After that, you walk like you swallowed a broomstick—you stay super upright, even when sitting. When I was training, I didn't even need a chair with a back because my posture just fixed itself.

Usually, for things like dance, you have to set your body in a way that puts zero stress on your spine—basically keeping your lower back in line with your upper body (hips out, core tucked). You do a lot of work against a wall or a doorframe to keep your lower back flush. That’s how you learn to stand for hours and eventually sit without feeling like garbage. Hopefully, that helps a bit.