In 18 years of treating patients in San Mateo, I've heard some version of this question almost every week: "Is this sciatica, or is it just my back?" It's a fair question. The two conditions feel similar, they share some causes, and they respond to many of the same treatments. But they are different — and understanding which one you have is the first step toward actually getting better.
Here's what I tell my patients: both conditions are, in the vast majority of cases, a muscle problem. Not a disc problem. Not a spine problem. A muscle problem. That's the most important thing I want you to take away from this article — because it changes everything about how you approach treatment.
What Is Lower Back Pain?
Lower back pain can involve a multitude of things — a bulging disc, a herniated disc, or simply the normal degeneration that comes from living an active life (or an inactive one — both cause problems in different ways). But in my experience, the most common cause of lower back pain is not structural. It's not severe. It's muscular.
The large, powerful muscles in your hips and legs — your glutes, hamstrings, hip flexors, and quads — are the primary movers of your lower body. When these muscles become chronically tight and stay that way, they project that tension directly into your lower back. The back muscles have to work harder to compensate for what the hip muscles aren't doing. Over time, that overwork turns into pain.
The most common cause of lower back pain isn't a disc problem. In 90% of the cases I see, tight muscles in the hips and legs are the root cause. When that's what's happening, it's relatively easy to resolve — and resolve quickly.
Lower back pain typically stays in the lower back. It may radiate into the buttocks, but it doesn't travel down the leg. You might feel a dull ache, stiffness, or sharp pain when you move — but the pain is localized to that lower lumbar area.
What Is Sciatica?
Sciatica is different. With sciatica, the sciatic nerve — the largest nerve in your body, running from your lower back down through each leg — gets irritated or compressed. The result is a shooting, burning, or electric-shock sensation that travels from your lower back or glutes down through the leg.
Here's the key distinction: sciatica causes leg pain. Lower back pain typically doesn't.
The most common cause of sciatica I see in my practice isn't a herniated disc pressing on the nerve. It's tight muscles in the glutes — specifically the piriformis muscle — pressing directly on the sciatic nerve. This variation is called Piriformis Syndrome, and it's far more common than most people realize.
"Most people come in thinking they have a herniated disc or something serious. In 90% of the cases I see, tight muscles are the real problem. And when that's the case, we can often make a significant dent in it within the first visit."— Dr. John Blenio, DC · High Amplitude Health, San Mateo
How to Tell the Difference
Here's a simple way to think about it: if the pain stays in your back and buttocks, it's likely lower back pain. If the pain travels down your leg, it's likely sciatica — or something related to the sciatic nerve.
Lower Back Pain
- Aching, stiffness, or sharp pain in the lower back
- May radiate into the buttocks
- Usually does not travel past the buttocks
- Often worse with bending, lifting, or twisting
- Caused by tight hip and leg muscles
- Can come from muscle strain, disc issues, or degeneration
Sciatica
- Shooting, burning, or electric pain down the leg
- Starts in the glute or lower back
- Can affect hamstrings, quads, side of hip, knee, calf, shin, or foot
- Does not always travel past the knee
- Often caused by tight piriformis pressing on the sciatic nerve
- Numbness or tingling are common
One important thing to know: sciatica pain doesn't always travel all the way down to the foot. Some patients feel it only in the glute and upper hamstring. Others feel it down to the knee. Some feel it all the way into the foot. The location of the pain depends on where along the nerve the compression is occurring.
Why Do Tight Muscles Cause This?
This is the question I spend a lot of time explaining to patients, because it's not intuitive. Here's how I explain it:
When the muscles in your hips get tight and stay that way for too long, those muscles eventually become fatigued. Muscles can tolerate tightness for a while without any symptoms — you might not even notice it at first. But if that tightness persists for weeks or months, the muscles become locked in a state of chronic contraction. They're simultaneously tight and exhausted. At that point, pain sets in.
For lower back pain, those tight, fatigued hip muscles are pulling constantly on your lower back — creating tension in the lumbar muscles that aren't designed to hold that load.
For sciatica, the piriformis muscle — a small but powerful muscle deep in your glute — becomes so tight that it begins to press directly on the sciatic nerve that runs underneath (or in some people, through) it. That compression is what creates the shooting, radiating pain down the leg.
Here's something I tell every patient: healthy muscles don't hurt to roll. Grab a foam roller or a massage ball and roll through your glutes, hip flexors, hamstrings, and quads. If you find spots that are exquisitely tender — tight, almost bruised-feeling — that tenderness is telling you something. Those are the muscles causing your pain. Start there.
What Actually Works
Most patients come to me after trying rest, stretching, and over-the-counter pain medication. Here's the honest truth about each of those:
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1Rest Rest can calm an acute flare-up, but it doesn't fix the underlying muscle problem. The muscles are still tight when you start moving again — which is why the pain comes back.
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2Stretching Stretching can help and is always worth doing, but it has limited and often temporary results on its own. When muscles are locked in a chronic state of tightness, passive stretching alone rarely breaks that cycle completely.
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3Pain medication Pain medication provides relief from the symptom — but it doesn't address the cause. The tight muscles are still there. When the medication wears off, the pain often returns.
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4Active Release Therapy + Chiropractic + Exercise Rehab This combination works by breaking the cycle of muscle locking and tightness at the source. ART releases the specific muscles and adhesions causing compression. Chiropractic adjusting restores joint motion after the muscles are already relaxed. Exercise rehabilitation rebuilds the strength and mobility that keeps the pain from returning. Most patients feel 20% or more improvement after the first visit — and significant relief within 3–5 visits.
When to Seek Immediate Help
Most lower back pain and sciatica is muscular and responds well to conservative treatment. But there are symptoms that should prompt you to seek immediate medical attention rather than waiting to see if it resolves on its own.
If you experience severe tingling or numbness, significant muscle weakness, or muscle atrophy in the affected leg, see a medical doctor promptly. These symptoms suggest more significant nerve involvement that may require imaging (X-ray or MRI) to evaluate. Loss of bladder or bowel control is a medical emergency — go to the emergency room immediately.
In cases where a disc herniation is suspected, I refer patients out for imaging to confirm the diagnosis. I still may be able to help depending on severity — but I believe in collaboration. Getting a second or third opinion from an orthopedic physician is always a good idea. Two or three perspectives create a better plan of attack than one, and I actively encourage my patients to work with orthopedists when appropriate.
How to Keep It From Coming Back
Sciatica and lower back pain can return if you're not actively maintaining the mobility and strength of your hips and legs. Here's the simple routine I recommend to every patient:
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1Foam rolling Roll through your glutes, hamstrings, hip flexors, quads, and calves regularly — at least 3–4 times per week. When you find a tender spot, spend extra time there. That tenderness is a warning sign your muscles are getting tight again.
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2Massage ball A lacrosse ball or massage ball gets deeper into the glutes and piriformis than a foam roller can. Sit on it and let it sink into the tight spots. Start early — it's far easier to maintain loose muscles than to break a cycle of chronic tightness.
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3Regular stretching Hip flexor stretches, pigeon pose variations, and hamstring stretches help maintain length in the muscles most responsible for lower back and sciatic pain.
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4Strength and conditioning Weak glutes and hip stabilizers are a major contributor to both lower back pain and sciatica. Building strength in these areas — through targeted exercise rehab — significantly reduces your risk of recurrence.
"It's amazing how much relief can come from a massage ball or foam roller if the patient addresses the problem early. Healthy muscles don't hurt to roll — unhealthy, tight muscles hurt a lot. That pain is your signal."— Dr. John Blenio, DC
The Bottom Line
If your pain stays in your lower back and doesn't travel down your leg, you most likely have lower back pain — probably caused by tight hip and leg muscles. If the pain shoots, burns, or travels down your leg, sciatica or piriformis syndrome is the likely culprit — again, almost always muscular in origin.
In either case, the good news is the same: in 90% of cases, the problem is tight muscles, and tight muscles respond well to treatment. You don't need surgery. You don't need injections. You need the muscles to release — and with the right treatment, that can happen faster than most people expect.
If you're in San Mateo and you're dealing with lower back pain or sciatica that isn't getting better on its own, I'd be happy to take a look. Most patients leave their first appointment with a clear understanding of what's happening in their body — and a meaningful reduction in pain.
Book an appointment here, or call or text us at 650-735-1716.