Low Back Pain: Where Is My Pain Coming From?

by Dr. Perez on July 30, 2012

Low back pain can emanate from many anatomical locations (as well as a combination of locations), which always makes it interesting when a patient asks, “…doc, where in my back is my pain coming from?”  In context of an office visit, we take an accurate history and perform our physical exam to try to reproduce symptoms to give us clues as to what tissue(s) may be the primary pain generators. In spite of our strong intent to be accurate, did you know, regardless of the doctor type, there is only about a 45% accuracy rate when making a low back pain diagnosis?  This is partially because there are many tissues that can be damaged or injured that are innervated by the same nerve fibers and hence, clinically they look very similar to each other. In order to improve this rather sad statistic, in 1995 the Quebec Task Force published research reporting that accuracy could be improved to over 90% if we utilize a classification approach where low back conditions are divided into 1 of 3 broad categories:

1.    Red flags – These include dangerous conditions such as cancer, infection, fracture, cauda equina syndrome (which is a severe neurological condition where bowel and bladder function is impaired). These conditions generally require emergency care due to the life threatening and/or surgical potential.
2.    Mechanical back pain – These diagnoses include facet syndromes, ligament and joint capsule sprains, muscle strains, degenerative joint disease (also called osteoarthritis), and spondylolisthesis.
3.    Nerve Root compression – These conditions include pinching of the nerve roots, most frequently from herniated disks. This category can include spinal stenosis (SS) or, combinations of both, but if severe enough where the spinal cord is compromised (more commonly in the neck), SS might then be placed in the 1st of the 3 categories described above.

The most common category is mechanical back pain of which “facet syndrome” is the most common condition. This is the classic patient who over did it (“The Weekend Warrior”) and can hardly get out of bed the next day. These conditions can include tearing or stretching of the capsule surrounding the facet joint due to performing too many bending, lifting, or twisting related activities. The back pain is usually localized to the area of injury but can radiate down into the buttocks or back of the thigh and can be mild to very severe.

If this should happen, ice the area for a few days and avoid further stress to the lower back, especially heavy lifting and bending at the waist.  Laser treatment can help accelerate healing of the facet capsules and microtears in surrounding muscle, and chiropractic adjustments can help ensure the range of motion is not degraded during healing.

Till next time,

Dr. Perez, San Francisco Chiropractor
(415) 627-9077
Online Appointment Scheduling

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When you woke up today, you thought this was like any other Friday. You’re on your way to work, and traffic is flowing smoother than normal.  Suddenly, someone crashes into the back end of your car and you feel your head extend back over the headrest and then rebound forwards, almost hitting the steering with your forehead. It all happened so fast. After a few minutes, you notice your neck and head starting to hurt in a way you’ve not previously felt.   When the police arrive and start asking questions about what had happened, you try to piece together what happened but you’re not quite sure of the sequence of events.  Your memory just isn’t that clear. Within the first few days, in addition to significant neck and headache pain, you notice your memory seems fuzzy, and you easily lose your train of thought. Everything seems like an effort and you notice you’re quite irritable. When your chiropractor asks you if you’ve felt any of these symptoms, you look at them and say, “…how did you know? I just thought I was having a bad day – I didn’t know whiplash could cause these symptoms!”

            Because these symptoms are often subtle and non-specific, it’s quite normal for patients not to complain about them. In fact, we almost always have to describe the symptoms and ask if any of these symptoms “sound familiar” to the patient.

As pointed out above, patients with Mild Traumatic Brain Injury (MTBI) don’t mention any of the previously described symptoms and in fact, may be embarrassed to discuss these symptoms with their chiropractor or physician when they first present after a car crash.  This is because the symptoms are vague and hard to describe and, many feel the symptoms are caused by simply being tired or perhaps upset about the accident.  When directly asked if any of these symptoms exist, the patient is often surprised there is an actual reason for feeling this way.

The cause of MTBI is due to the brain actually bouncing or rebounding off the inner walls of the bony skull during the “whiplash” process, when the head is forced back and forth after the impact. During that process, the brain which is suspended inside our skull, is forced forwards and literally ricochets off the skull and damages some of the nerve cells most commonly of either the brain stem (the part connected to the spinal cord), the frontal lobe (the part behind the forehead) and/or the temporal lobe (the part of the brain located on the side of the head). Depending on the direction and degree of force generated by the collision (front end, side impact or rear end collision), the area of the brain that may be damaged varies as it could be the area closest to initial impact or, the area on the opposite side, due to the rebound effect. Depending on which part of the brain is injured, the physical findings may include problems with walking, balance, coordination, strength/endurance, as well as difficulties with communicating (“cognitive deficits”), processing information, memory, and altered psychological functions.

The good news is that most of these injuries will recover within 3-12 months but unfortunately, not all do and in these cases, the term, “post-concussive syndrome” is sometimes used.

In my practice, once the auto accident patient has been cleared of all red flags and it is determined that the injury is limited to soft tissue with possible vertebral misalignment, the initial focus of care is to reduce pain and reduce inflammation.  As the pain subsides, passive stretching is utilized with some gentle adjustments to the neck vertebrae.  The LiteCure laser is sometimes used to accelerate soft tissue healing.  Towards the end of care, strengthening exercises are prescribed to bring the neck and spine to pre-injury status.

More information on whiplash can be found on our clinic website.

Dan Perez, D.C.

(415) 627-9077

Online Scheduling

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Neck Pain Exercise Options

by Dr. PerezJuly 18, 2012 Exercises

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What to Do as Soon as You Strain and Hurt Your Back

by Dr. PerezJune 13, 2012 Low back pain

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Trying to figure out exactly what your health insurance covers can be a tricky ordeal.    Patients often inquire if their health insurance will “cover” chiropractic or massage therapy.   The answer is not so simple, because there are things that one must first understand about health insurance coverage.  This post will help clarify how health insurance [...]

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A Different Exercise for back pain

by Dr. PerezMay 31, 2012 Exercises

If you experience general, chronic lower back pain and stiffness, and you sit for long hours each day at work or have a history of repetitive trauma to your back, it may be due to abnormal muscle contraction along your spine. You see,  the muscular system is controlled by your brain and nervous system.  Your [...]

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