By Dr. R. Greg Lusk, DC
When we experience joint, soft tissue (i.e.
muscle, ligament, tendon), or nerve pain, we've become conditioned to expect an
anatomical diagnosis from a healthcare practitioner, which speaks to the
structural source of our pain. A low back "disc bulge", a
"sacroiliac joint sprain", a "pulled muscle", and a
"pinched nerve" in the neck are a few such examples. While there is
value to labelling the problem as being from a specific piece of our anatomy, which
aids in treating in the appropriate area and not being misled by radiating or
referred symptoms, it often doesn't tell the full story. Particularly with
respect to our backs and necks, it is not easy to specifically say which tissue
is the pain source as our diagnostic tests are poor at selectively stressing
only one type of tissue at a time. Also, imaging such as x-rays and MRIs often
come back normal or have findings that may or may not be part of the problem.
As a result, a vague diagnosis such as Nonspecific Mechanical Low Back Pain is
very common as it is all encompassing with respect to possible mechanical
sources. However, adding a functional diagnosis often clarifies the clinical picture
and offers much more value to the pained individual.
What is a "functional" diagnosis? It
is the process of identifying movements and/or activities (i.e. functions) that
produce or aggravate symptoms, as well as those that may reduce or even abolish
symptoms. Patients will often be asked about these activities in an attempt to
discover consistencies. Using low back pain as an example, does bending
forward, sitting, getting up from sitting, and/or washing dishes cause pain? If
so, bending the spine forward (i.e. flexion) is an "intolerant"
position which produces pain as it is a consistent biomechanical position in
all of these activities, versus the neutral low back position where the back is
relatively flat with a slight curve inward toward the belly button. Conversely,
does standing, walking, and/or lying on your back make the back pain relatively
better? These activities all share spine extension (i.e. bending backward) as
the more dominant position, thereby making spine extension a
"preferred" direction. The opposite scenario is also possible, with
spine extension being aggravating while flexion is relieving, while at other
times the situation isn't entirely clear. To aid your healthcare provider in
determining these mechanical sensitivities it can often be helpful to keep a
record, or diary, of your pain. When symptoms are present or elevated, record
the activity you have been doing so the relative spine biomechanics can be
deduced.
In addition to any therapies or approaches
that may be provided to a patient with low back pain to help with symptoms, which
includes medication(s), spinal manipulation, exercises, acupuncture, massage
therapy, among many others, knowing the intolerant and preferred spinal
positions plays a crucial role in recovery. It empowers the patient with
information so they can stop "picking the scab" and perpetuating
their pain. Furthermore, the preferred direction of spinal loading is often
relieving to pain, completely resolving symptoms in some cases. Exploring
spinal loading directions and sensitivities in a clinical setting can form part
of the patient assessment and guides patient recommendations. Arming someone
with an independent method to control and possibly remove symptoms can help
expedite recovery and provides a tool for preventing recurring episodes in the
future, as there is a greater appreciation for the effects of directional
spinal loading.
This
article is for general information purposes only and is not to be taken as
professional medical advice.
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