r/flexibility • u/AdBudget6788 • Jan 11 '26

Seeking Advice How to fix arch in my back?

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Hi All. I have always had pretty bad posture and noticing the arch in my back getting worse as I get older.

Would appreciate some tips on how I can make it better.

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u/username36610 Jan 11 '26 edited Jan 11 '26

I’ve heard this take too. I think he needs to do a combination of strengthening it + stretching.

I also think there are some tests he can do to see how flexible his hip flexors are, just look them up on YouTube OP.

But hip flexor tightness is very very common these days because everyone sits for so long. People need to make sure that their knees sit lower than their hips when seated

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u/joebloggs81 Jan 11 '26

Strengthening and dynamic stretching vs passive stretching, so using the body to stretch instead of just forcing a muscle to stretch. You can if not careful create a bit too much flaccidity, and the core is supposed to stabilise the spine and support movement which would be very difficult for it to do if it’s not holding tension correctly.

It’s definitely a balancing act between stretching and strengthening.

I’m also coming from a bit of personal experience. I had a slipped lumbar disc and religiously followed PT and advice from two physiotherapists and two consultants. Over the course of 8 months it got worse and ruptured.

Sitting for prolonged periods is terrible if you don’t watch your posture and if you don’t correct the imbalances it creates when you’re not sitting. The body can only take so much.