Lower Back Pain When Standing Up? Here's What It Means and What to Do
Updated July 20261 minute read
Pain in your lower back when you stand up — especially after sitting — usually means stiff, irritated joints or muscles that don't like the quick shift from a bent to an upright position. It's most often mechanical and not serious. Moving gently for a few steps, avoiding long sitting, and gradual strengthening typically help. If it lasts beyond 2–3 weeks or pain travels down your leg, see a physical therapist.
What this usually means
Most likely causes. The common culprits are facet joint irritation (which dislikes leaning back and standing), a lingering lumbar strain, and general stiffness from prolonged sitting. Standing extends the spine, which briefly loads sensitive structures. Less common causes. Disc-related pain or, in older adults, spinal stenosis can show up when moving to standing, usually with extra symptoms like leg pain.
What you can try at home
Stand up in stages — shift forward, push through your legs, and take a few steps before fully straightening. Break up long sitting every 30–45 minutes. Gentle movement and walking usually beat sitting still. Gradual core and hip strengthening addresses the root cause.
When to see a physical therapist
If standing pain persists past 2–3 weeks, keeps returning, or limits your day, a PT can pinpoint the driver and build a plan.
Red flags — don't wait
Seek urgent care for groin numbness, loss of bladder/bowel control, leg weakness, fever, or pain after a major injury.
How a PT treats this
Treatment usually targets joint mobility, posture transitions, and core and hip strengthening so standing feels easy again.
Frequently asked questions
Sources (3)
- George SZ, et al. Interventions for the management of acute and chronic low back pain: revision 2021. Clinical practice guideline. J Orthop Sports Phys Ther. 2021. — PubMed
- Perolat R, et al. Facet joint syndrome: from diagnosis to interventional management. Insights Imaging. 2018. — PubMed
- MedlinePlus: Low back pain - acute. — NIH/MedlinePlus
This article is for education only and isn't medical advice. Always talk to a licensed clinician about your specific situation.