• 21 Jul, 2026
• UnityPain
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Low Back Pain Causes | Unity Pain Modesto CA

You Are Not Alone in This

If you wake up every morning with a stiff, aching back, or if sharp pain shoots through your lower spine when you try to do simple things like tie your shoes or lift a bag of groceries, you already know how exhausting this can be. Low back pain is one of the most common reasons people visit a doctor. It can make every part of your day harder — work, sleep, time with your family, and even rest. Living with this kind of pain day after day can wear you down, not just physically, but emotionally too.

The good news is that understanding what causes low back pain is the first step toward getting real help. When you know what is happening in your body, you can have better conversations with your care team and make more informed choices about your treatment. This article will walk you through the most common causes of low back pain in simple, clear language so you can start that journey today.

Muscle and Ligament Strains

One of the most common causes of low back pain is a muscle or ligament strain. This happens when the muscles or tough bands of tissue in your lower back get stretched too far or torn slightly. It can happen all at once — like when you lift something heavy the wrong way — or it can build up slowly over time from repeating the same movements at work or home.

Muscle strains often cause a dull, aching pain that gets worse when you move. You might feel tightness or muscle spasms that make it hard to stand up straight. Most of the time, these strains heal with rest and gentle movement. However, if the pain keeps coming back or never fully goes away, it may be a sign that something else is going on.

Disc Problems in the Spine

Between each bone in your spine, there are small cushions called discs. These discs work like shock absorbers. Over time, or after an injury, a disc can bulge outward or even rupture — this is often called a herniated disc. When this happens, the disc can press on nearby nerves, causing pain, numbness, or a burning or tingling feeling that travels down into your leg. This leg pain is sometimes called sciatica.

Disc problems can be painful and frustrating, especially when the pain travels far from your back. The pain may feel different depending on which nerve is being pressed. Some people feel it in their hip or buttock. Others feel it all the way down to their foot. Getting a proper evaluation, which may include imaging like an MRI, is important so that your care team can understand exactly what is happening and recommend the right next steps.

Arthritis and Joint Degeneration

As we get older, the joints in our spine can wear down. This is called osteoarthritis, and it is a very common cause of low back pain in adults, especially those over the age of 50. The cartilage that protects your joints can break down over time, causing the bones to rub together. This leads to pain, stiffness, and swelling. You might notice the pain is worse in the morning or after sitting for a long time.

Another condition related to joint changes is spinal stenosis. This happens when the space around the spinal cord becomes narrow, putting pressure on the nerves. It can cause pain, weakness, or numbness in the back and legs, especially when standing or walking. These conditions can feel discouraging, but many people find meaningful relief through the right combination of treatments and support.

Posture, Lifestyle, and Daily Habits

Sometimes the cause of low back pain is not a single injury or diagnosis, but rather the small habits we build over time. Sitting for long hours without proper support, slouching at a desk, carrying a heavy bag on one shoulder, or wearing unsupportive shoes can all put extra stress on your lower back over months and years. Carrying extra weight around the belly can also shift your center of gravity and strain your spine.

Lack of physical activity can weaken the muscles that support your spine, making it easier for pain to develop. On the other hand, overexerting yourself after a long period of inactivity can also lead to injury. Small, consistent changes in how you move and sit — guided by a professional — can make a meaningful difference over time.

Other Medical Conditions That Cause Back Pain

Not all low back pain comes from the muscles or spine structure. Sometimes another medical condition is the root cause. For example, kidney infections or kidney stones can cause pain felt in the lower back. Conditions like fibromyalgia, which causes widespread muscle pain, can also affect the lower back. In rare cases, back pain can be linked to more serious conditions, which is why persistent or severe pain should always be evaluated by a medical professional.

There are also inflammatory conditions like ankylosing spondylitis, which causes the spine to become stiff and inflamed over time. If your back pain is worse in the morning, improves with activity, and started when you were a younger adult, it is worth mentioning this pattern to your doctor. Identifying the true cause of your pain is the foundation of effective treatment.

Finding Care That Meets You Where You Are

No matter what is causing your low back pain, you deserve care that takes your symptoms seriously and works with your life. A good care team will listen to you, ask questions, and look at the full picture before recommending a path forward. Treatment may include a combination of approaches such as medication management, injections to reduce inflammation, physical therapy, or other supportive options.

At Unity Pain Management in Modesto, CA, the team is experienced in helping patients understand and manage low back pain through a range of personalized services. The clinic is insurance-friendly and also offers telehealth visits for added convenience. If you have been struggling with back pain and are not sure where to turn, reaching out for a professional evaluation is a strong first step. You do not have to keep managing this alone.

A Note of Hope

Low back pain can feel like it controls your life. But with the right diagnosis and support, many people are able to reduce their pain and get back to doing what matters most to them. Understanding the cause of your pain gives you power — the power to ask the right questions, explore the right options, and take steps toward a better day. Help is available, and you are worth the effort it takes to find it.

References

• Casiano, Vincent E., et al. “Back Pain.” StatPearls, National Library of Medicine, National Institutes of Health. 2023.
• Mayo Clinic Staff. “Back Pain — Causes.” Mayo Clinic. 2023.
• National Institute of Neurological Disorders and Stroke. “Low Back Pain Fact Sheet.” National Institutes of Health. 2023.
• Maher, Chris, Martin Underwood, and Rachelle Buchbinder. “Non-specific low back pain.” The Lancet. 2017.
• Deyo, Richard A., and James N. Weinstein. “Low Back Pain.” New England Journal of Medicine. 2001.