When a patient presents with the signs and symptoms of carpal tunnel syndrome (CTS), one would think that the examination and treatment would be fairly straightforward and “routine.” The problem is, no two cases of CTS are identical because of all the possible mitigating factors, or the presence of OTHER issues that may be contributing or may be the REAL cause for CTS in that particular person. The “Great Imposters” of CTS include both physical and chemical factors.
Physical factors include (but are not limited to):
- Cervical nerve root compression: Since the median nerve originates from the C6-T1 (and a little from C5) nerve roots exiting the spine, it only makes sense that a pinched nerve in the neck can mimic a pinched nerve at the wrist. The difference here is “usually” that the whole arm is involved, which is less likely in CTS only. Moving down from the neck, the next most common location for a mechanical pinch is at the
- Thoracic outlet: Here, the nerve roots coming from C5 to T2, like merging lanes of a highway, come together to make the three main nerves that enter the arm and along with the blood vessels, this “neurovascular bundle” leaves the upper chest region and travels through the thoracic outlet to enter into the arm. The thoracic outlet can become narrowed if there is an extra rib, a shift in the collar bone or shoulder blade, from muscles that are too tight (especially the anterior scalene and/or pectoralis minor), or from anything that occupies space within the thoracic outlet.
- Struther’s ligament: In a few of us (only about 2%), there is a ligament just above the elbow that can entrap the median (as well as the ulnar) nerve, creating a pinch and subsequent numbness below that point, mimicking CTS.
- Pronator tunnel: The median nerve is more commonly entrapped by the pronator teres muscle just below the elbow, and treating this location can be highly rewarding when managing stubborn CTS cases. Less common is entrapment in the mid-forearm, though it’s possible by either the interosseous membrane that connects the ulna and radius or from fracture of the ulna and/or radius. The most distal point of median nerve compression is at the carpal tunnel. Entrapments can be singular or multiple and when more than one “tunnel” compresses the median nerve, the term double or multiple crush is utilized. Management MUST address ALL points of compression to obtain long-term satisfying results.
Other “imposters” of CTS include a host of conditions including (but not limited to): thyroid disease, diabetes, arthritis, pregnancy, birth control pill use, obesity, and MANY others!
Chiropractic makes the most sense when it comes to managing CTS from mechanical causes. If response is slow or not satisfying, your doctor of chiropractic will order tests and/or consults to get to the bottom of what “imposters” may be contributing to your CTS symptoms!
Here at Columbia Basin Medical Center, we go out of our way to learn new and innovative ways to treat the most devastating conditions. Our priorities are to first treat the patient, not the disease. We work to bring you relief with an integrated approach that doesn’t solely rely on narcotics or other extremely addictive and harmful chemicals. Schedule your consultation today so we can bring you relief from pain in a healthy way!
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