What Causes Lower Back Pain?

Lower back pain is one of the most common reasons people search for a physiotherapist — and for good reason. Almost everyone experiences it at some point, whether from a sudden strain, poor posture, or a more persistent underlying issue. Understanding what’s behind your back pain is the first step toward finding real, lasting relief.

The Most Common Causes of Lower Back Pain

  • Muscle or ligament strain. Lifting something awkwardly, sudden movements, or overuse from repetitive activity can strain the muscles and ligaments supporting your spine. This is by far the most common cause of acute back pain.
  • Poor posture. Long hours sitting at a desk, looking down at a phone, or standing with poor alignment place extra load on the lower back over time, gradually leading to pain and stiffness.
  • Weak core muscles. Your core muscles support your spine every time you move. When they’re weak, your lower back has to compensate, which can lead to chronic discomfort.
  • Disc-related issues. A bulging or herniated disc can press on nearby nerves, sometimes causing pain that radiates down the leg (commonly known as sciatica).
  • Sedentary lifestyle. Prolonged sitting — whether at a desk, in a car, or on a couch — weakens supporting muscles and reduces flexibility, both of which contribute to back pain.
  • Pregnancy. Hormonal changes and shifting weight distribution during pregnancy commonly place extra strain on the lower back.
  • Underlying conditions. In some cases, back pain is linked to conditions such as arthritis, spinal stenosis, or inflammatory conditions like ankylosing spondylitis, especially when pain is persistent, worse in the morning, or accompanied by stiffness that improves with movement.

When Should You Be Concerned?

Most lower back pain improves within a few weeks with the right care. However, you should seek medical attention promptly if your back pain is accompanied by:

  • Numbness or tingling down one or both legs
  • Loss of bladder or bowel control
  • Unexplained weight loss
  • Fever
  • Pain following a significant fall or injury

These can be signs of a more serious underlying issue that needs urgent assessment.

How Physiotherapy Helps

A physiotherapist’s role isn’t just to treat the pain you’re feeling today — it’s to understand why it’s happening and address the root cause so it doesn’t keep coming back. At your first appointment, we’ll assess your posture, movement patterns, muscle strength, and flexibility to build a clear picture of what’s contributing to your pain.

From there, treatment might include:

  • Manual therapy to reduce muscle tension and improve joint mobility.
  • Targeted exercise programs to strengthen the core and supporting muscles around the spine.
  • Postural correction and ergonomic advice for how you sit, stand, and move throughout the day.
  • Education on safe movement patterns to prevent re-injury.

Unlike quick fixes, physiotherapy aims to build long-term resilience in your back, so you’re not just treating a flare-up but genuinely improving your spine’s ability to handle everyday life.

What You Can Do at Home

While you wait for your assessment, gentle movement is almost always better than complete rest. Short walks, light stretching, and avoiding long periods sitting or lying down can help keep your back from stiffening further. Applying heat can also help relax tense muscles.

That said, self-management only goes so far — especially if your pain persists beyond a couple of weeks or keeps returning. A proper assessment can identify exactly what’s driving your pain, rather than leaving you guessing.

Common Myths About Back Pain

“Bed rest is the best treatment.” In reality, prolonged bed rest often makes back pain worse by weakening supporting muscles further. Gentle, guided movement is almost always more effective.

“If it hurts, I should stop moving completely.” Some discomfort during early rehabilitation exercises is normal and doesn’t necessarily mean you’re causing harm. A physiotherapist can help you distinguish between productive discomfort and pain that signals you should modify an exercise.

“Back pain always means something is seriously wrong.” While it’s important to rule out serious causes, the vast majority of back pain is mechanical in nature — related to muscles, joints, and movement patterns — and responds well to physiotherapy.

Frequently Asked Questions

How long does lower back pain usually last?

Most acute back pain improves within two to six weeks with appropriate care. Pain lasting longer than this is considered persistent and usually benefits from a structured physiotherapy assessment.

Can sitting too long cause lower back pain?

Yes. Prolonged sitting, especially with poor posture, places sustained pressure on the lower spine and weakens the muscles that support it over time — one of the most common contributors we see in office workers.

Should I see a doctor or a physiotherapist first?

For most mechanical back pain without red-flag symptoms, a physiotherapist can assess, diagnose, and begin treatment directly. If we identify signs that need further medical investigation, we’ll refer you appropriately.

Get a Proper Assessment for Your Back Pain

If lower back pain has been affecting your daily life, don’t wait for it to become chronic. Book an assessment with Physio by Yağmur Bilokcuoğlu and get a treatment plan built specifically around what’s causing your pain.

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