Carpal Tunnel Syndrome Options With Chiropractic Treatment

Uncover the advantages of chiropractic treatment for carpal tunnel syndrome and regain your hand’s strength and flexibility.

Abstract: Unlocking Relief for Carpal Tunnel Syndrome

Carpal tunnel syndrome (CTS) is a pervasive and often debilitating condition that I encounter frequently in my practice. It can cause pain, numbness, tingling, and weakness in the hand and wrist, stemming from compression of the median nerve as it passes through the narrow carpal tunnel. If left unaddressed, this condition can severely impair your ability to perform daily tasks, affecting both your professional and personal life. In this comprehensive educational post, I will guide you through the wrist’s intricate anatomy, the pathophysiology of CTS, and the diagnostic process we use. We will delve deeply into a highly effective, minimally invasive treatment: the cortisone injection. I will detail the precise anatomical landmarks, injection technique, and rationale behind our chosen approach, drawing on the latest evidence-based research and our extensive clinical experience. This article will also highlight the power of an integrative care model. I will explain how my role as a Doctor of Chiropractic (DC) and Advanced Practice Registered Nurse (APRN) combines with the medical oversight of our esteemed Medical Director, Dr. Maria Guadalupe Cardenas, a Board-Certified Internist with over four decades of experience. Together, at Injury Medical Clinic, we create a synergistic treatment paradigm that merges chiropractic adjustments, functional medicine, rehabilitation, and conventional medical interventions to provide holistic, patient-centered care for conditions like carpal tunnel syndrome.

Our Collaborative Care Philosophy: The Power of Integrative Medicine

At Injury Medical Clinic, our approach is rooted in the belief that the most effective patient care comes from a multidisciplinary, collaborative effort. My dual qualifications as a Doctor of Chiropractic (DC) and a board-certified Family Nurse Practitioner (FNP-BC), along with advanced certifications in functional and lifestyle medicine, give me a unique, broad perspective on health and wellness. However, our practice’s success rests on our partnership with Dr. Maria Guadalupe Cardenas, MD.
Dr. Cardenas is a highly respected, Board-Certified Internist with more than 40 years of invaluable clinical experience. She serves as our Medical Director and Collaborative Physician, providing essential medical oversight and guidance. This structure is common and highly effective in modern integrative and injury care settings. It allows us to blend the best of different medical worlds under one roof.

How Our Integrated Team Works for You

This collaboration allows us to offer a truly comprehensive suite of services tailored to each patient’s unique needs. Here’s how our team integrates to manage a condition like carpal tunnel syndrome:
Medical Oversight (Dr. Cardenas, MD): Dr. Cardenas provides the overarching medical governance for our practice. Her extensive experience in internal medicine is crucial for diagnosing complex conditions, managing comorbidities, and ensuring that all treatments, including procedures like injections, are medically appropriate and safe for the patient. She reviews patient cases, consults on treatment plans, and provides the medical authority for procedures within the scope of conventional medicine.
Advanced Practice & Chiropractic Care (Dr. Jimenez, DC, APRN): My role is multifaceted. As a Chiropractor, I focus on the biomechanical and structural aspects of health. For a carpal tunnel patient, this involves assessing and treating potential contributing factors in the entire kinetic chain—from the neck (cervical spine) and shoulder down to the elbow and wrist. Misalignments or nerve impingement in the neck, for instance, can mimic or exacerbate carpal tunnel symptoms, a condition often referred to as a “double crush” syndrome. Chiropractic adjustments can alleviate this proximal nerve irritation. As a Family Nurse Practitioner, I am trained and licensed to perform comprehensive physical exams, order and interpret diagnostic tests (such as nerve conduction studies), and administer medical treatments like therapeutic injections. This dual expertise allows for a seamless transition from structural diagnosis to medical intervention.
Functional Medicine: We look beyond the symptoms to understand the “why.” Chronic inflammation is a key driver of conditions like CTS. Using functional medicine principles, we investigate and address root causes of systemic inflammation, such as dietary triggers, gut health imbalances, or nutritional deficiencies. This may involve specialized testing and personalized lifestyle and nutrition plans to reduce the body’s overall inflammatory load and support healing of the median nerve.
Rehabilitation and Personal Injury Care: Our clinic is equipped to manage injuries, including those sustained in auto accidents or at work, which commonly cause CTS. Our rehabilitation programs include targeted exercises to stretch and strengthen the wrist and hand, ergonomic assessments to modify aggravating activities, and modalities like ultrasound or cold laser therapy to reduce inflammation and promote tissue healing.
This integrated model ensures that a patient presenting with hand pain receives a 360-degree evaluation. We don’t just inject the wrist; we assess the spine, evaluate systemic inflammation, provide rehabilitative support, and ensure an experienced medical doctor oversees the entire process. This is the future of patient care—comprehensive, collaborative, and profoundly effective.

A Clinical Scenario: Managing Carpal Tunnel Syndrome with a Targeted Injection

Today, I have a 65-year-old patient in my examination room who presents with the classic signs of carpal tunnel syndrome in her right hand. She describes a persistent “pins and needles” sensation, numbness that often wakes her at night, and a noticeable weakness in her grip. After a thorough physical examination and review of her history, we’ve decided that a carpal tunnel injection is an appropriate and effective next step to provide her with significant and rapid relief.
This procedure is straightforward but requires precision and a deep understanding of the wrist’s intricate anatomy. My goal is to deliver a combination of local anesthetic and anti-inflammatory steroid directly to the site of nerve compression, calming inflammation and creating more space for the median nerve. Let’s walk through this process step by step, just as I would perform it here in the clinic.

Step 1: Mapping the Anatomy – Identifying the Landmarks

Before administering a single drop of medication, the most critical phase is anatomical landmarking. Accurate identification of key structures ensures the injection is delivered safely to the target tissue while avoiding injury to the nerve itself or surrounding blood vessels. The wrist is a complex intersection of tendons, nerves, and bones, and precision is paramount.
Here are the landmarks I identify on the patient’s right hand:
The Distal Palmar Crease: This is the most prominent crease at the base of the palm, where the hand meets the wrist. It serves as our primary horizontal reference point. I take a moment to mark a line across this crease gently. This line roughly corresponds to the superior border of the transverse carpal ligament, the thick band of connective tissue that forms the “roof” of the carpal tunnel. The injection will be aimed just proximal to this ligament, into the tunnel entrance.
The Palmaris Longus Tendon: This is a fascinating and variable structure. The palmaris longus is a slender, superficial tendon that, when present, serves as a crucial guide to the median nerve, which lies directly beneath it. To identify it, I ask the patient to perform a specific maneuver: “Please touch your thumb to your pinky finger and flex your wrist forward, as if you’re trying to make the palm of your hand touch your forearm.”
In many individuals, this action causes the tendon to “pop” out visibly in the center of the wrist. However, the palmaris longus is congenitally absent in approximately 15-20% of the population (Yildiz et al., 2021). In my patient today, her tendon is present but diminutive, meaning it’s small and not easily visible on camera, but I can clearly palpate it with my fingertips. I feel its subtle, cord-like structure running down the midline of her wrist. Knowing its location is like having a direct arrow pointing toward the median nerve. Although it’s not visually prominent, my tactile sense confirms its path, which I mentally trace to the distal palmar crease.
The Flexor Carpi Radialis (FCR) Tendon: This is another essential landmark, located on the thumb side (radial side) of the palmaris longus. The FCR is a much more robust and consistently present tendon. To identify it, I ask the patient to make a fist and flex her wrist again. As she does this, I place my fingers on the radial aspect of her wrist and feel the strong, thick FCR tendon contract and become prominent. I ask her to relax, and the tendon softens, but I can still trace its course. The FCR tendon serves as a lateral boundary marker. The median nerve lies in the space between the palmaris longus tendon (or its expected path) and the FCR tendon.

The Rationale Behind the “Lexor Carpi Radialis Approach”

With these landmarks identified, I can now select my injection portal. Several evidence-based approaches exist for carpal tunnel injection. Still, my preferred method, and one widely supported in the literature, is the flexor carpi radialis (FCR) approach, also known as the ulnar-sided FCR approach (Smith et al., 2020).
Here’s the reasoning behind this choice:
Safety: The primary goal is to avoid direct injection into the median nerve, an event known as intraneural injection. This can cause severe pain and potential nerve damage. By positioning the needle just ulnar to the FCR tendon (the pinky-finger side), we place it in the safe zone. The median nerve reliably lies ulnar to the FCR, and this approach provides a clear path into the carpal tunnel space that surrounds the nerve without directly targeting it.
Efficacy: The objective is to bathe the inflamed tendons and the median nerve in the anti-inflammatory medication, a technique known as a perineural injection. We don’t need to hit the nerve itself. The medication is delivered into the carpal tunnel sheath, where it diffuses to surround the nerve and flexor tendons, reducing swelling and pressure.
Patient Comfort: This approach avoids passing the needle through the thicker, more sensitive palmaris longus tendon itself, potentially making the procedure more comfortable for the patient.
Based on this, I determine the precise entry point. I choose a spot about 1 cm proximal to the distal palmar crease I marked earlier. This location ensures that the needle enters the carpal tunnel just before it becomes most constricted under the transverse carpal ligament, allowing the medication to flow distally into the tightest part of the space. I then mark this specific injection site, along with my target point (where the palmaris longus path crosses the distal palmar crease), using the retracted tip of a ballpoint pen. This creates a small, temporary, sterile, precise indentation in the skin that serves as my bullseye.

Step 2: Preparing the Field – Aseptic Technique

With the anatomical map clearly defined on the patient’s skin, the next step is to ensure a sterile environment to prevent infection. Aseptic technique is non-negotiable in any invasive procedure, no matter how minor. An infection in the carpal tunnel space, known as suppurative tenosynovitis, is a surgical emergency. Therefore, we take meticulous care in our preparation.
First Cleanse (Alcohol): I begin by wiping the entire area with an alcohol prep pad. This initial pass serves two purposes: it starts the disinfection process by killing surface bacteria, and it conveniently erases the ink lines I drew earlier, leaving only the subtle indentations from the pen tip as my guide.
Second Cleanse (Povidone-Iodine): Next, I apply a generous amount of povidone-iodine, a powerful and broad-spectrum antiseptic. I use a sterile swab stick to apply it in an expanding circular motion, starting from the injection site and moving outward. This ensures I do not drag contaminants back toward the entry point. I leave the brownish-orange solution on the skin to dry, giving it the contact time needed to kill a wider range of pathogens.
Third Cleanse (Povidone-Iodine): For added security, I apply povidone-iodine a second time. This two-step antiseptic protocol is a best practice recommended to minimize the risk of introducing cutaneous flora into deeper tissues (McDonnell & Burke, 2013). We allow this final layer to air-dry completely before proceeding.

Step 3: Preparing the Medication and Anesthesia

While the antiseptic dries, I prepare the injection solution. The choice of medication is crucial for achieving both immediate and lasting relief.
My formulation for this procedure consists of:
1 mL of 1% Lidocaine without epinephrine: Lidocaine is a local anesthetic. Its purpose is twofold. First, it provides immediate pain relief by blocking sodium channels in the nerve fibers, preventing them from transmitting pain signals. This makes the post-injection period much more tolerable for the patient. Second, if I were to touch the median nerve during needle advancement inadvertently, the lidocaine would cause an immediate, but temporary, numbing sensation, confirming the nerve’s location without causing lasting damage. I specifically choose lidocaine without epinephrine. Epinephrine is a vasoconstrictor, and its use in areas with limited collateral circulation, like the digits or the carpal tunnel, is controversial and generally avoided to prevent ischemic injury to the nerve (Prabhakar et al., 2LidocaineL of a Corticosteroid Solution: The workhorse of this injection is the steroid. I use a standard preparation such as triamcinolone acetonide (Kenalog) or methylprednisolone acetate (Depo-Medrol). Corticosteroids are potent anti-inflammatory agents. Their cellular mechanism of action is complex: they inhibit the synthesis of multiple inflammatory mediators, including prostaglandins and leukotrienes, by blocking the enzyme phospholipase A2. They also stabilize lysosomal membranes in inflammatory cells and reduce capillary permeability. In the context of the carpal tunnel, the steroid works to:
Reduce Synovial Inflammation: The flexor tendons passing through the carpal tunnel are wrapped in synovial sheaths. In CTS, these sheaths become inflamed and swollen (tenosynovitis), which contributes significantly to compression of the median nerve. The steroid directly targets this inflammation, causing the sheaths to shrink.
Decrease Edema: The medication helps to reduce the fluid buildup (edema) within the confined space of the tunnel.
Create Space: By reducing the volume of the tunnel’s contents (the swollen tendons), the pressure on the median nerve is alleviated, allowing it to function normally again. This is why patients often experience a dramatic reduction in numbness and tingling within a few days of the injection.
I draw these two medications into a single syringe. I am using a 25-gauge, 1-inch needle. The 25-gauge size is a good balance: thin enough to be minimally traumatic and comfortable for the patient, yet rigid enough to allow precise control and navigation through the tissues without significant deflection. The 1-inch length is ideal for reaching the target depth within the carpal tunnel from our chosen entry point.

The Role of Vapocoolant Spray

To make the initial needle entry as comfortable as possible, I use a vapocoolant spray (like PainEase Mist). This skin refrigerant provides transient topical anesthesia. When sprayed on the skin, it evaporates rapidly, causing a significant and immediate drop in skin temperature. This intense cold sensation temporarily blocks the superficial pain receptors (nociceptors).
I spray it directly onto the indented injection site. The patient will feel a very cold sensation. I watch the skin closely, waiting for it to “flash white“—a brief blanching of the skin that indicates it has reached the optimal temperature for maximal anesthetic effect. This happens within seconds. This simple step can dramatically improve the patient’s experience, reducing anxiety and the sharp sensation of the needle piercing the skin. My patient confirms, “Yes, that’s cold,” and almost immediately, I see the white flash. Now, we are ready.

Step 4: The Injection Procedure – Precision in Motion

The injection requires focus, a steady hand, and clear communication with the patient. The procedure’s success hinges on these final movements.

Patient Briefing and Safety Instructions

Before I begin, I provide the patient with a crucial instruction. This is a vital part of the safety protocol.
“I am about to begin the injection,” I explain calmly. “The needle will be advanced slowly toward the carpal tunnel. The tip of the needle may come very close to, or even gently touch, the median nerve. If this happens, you will likely feel a tingling or a mild, electric-like sensation that might shoot into your thumb, index, or middle finger. This is called a paresthesia. If you feel this, it’s actually good information for me, as it confirms the exact nerve location. The most important thing is not to jerk your hand away. Say the word ‘stop,’ and I will immediately halt my advance. We will then slightly retract and reposition the needle. Do you understand?”
The patient nods in understanding. This pre-procedure briefing empowers the patient, makes them a partner in their own safety, and prevents a sudden, reflexive movement that could cause injury.

The Injection Trajectory

With the patient prepared, I proceed:
Bevel Orientation: I orient the needle so the bevel (the slanted opening at the tip) points distally, down toward the fingers. This orientation encourages the fluid to flow away from the needle tip and down into the carpal tunnel, following the path of least resistance.
Angle of Entry: I position the needle at the prepared site, just ulnar to the FCR tendon and 1 cm proximal to the distal palmar crease. I insert the needle through the skin at a 30- to 45-degree angle, aiming it toward my target point where the palmaris longus path crosses the distal palmar crease. This angle lets me traverse the subcutaneous tissue and aim directly for the carpal tunnel entrance.
Advancement: I advance the needle slowly and deliberately. As I move deeper, I can feel the different tissue planes. I will feel a subtle “pop” or a change in resistance as the needle tip pierces the flexor retinaculum (the deep fascia of the forearm) and enters the carpal tunnel space. Throughout this advance, I am asking the patient, “Are you doing okay? Any tingling?”
In this particular case, my patient reports no paresthesia. This is perfectly acceptable and, in fact, quite common. It simply means my needle trajectory has successfully entered the carpal tunnel space without making direct contact with the nerve. The primary goal is a perineural, not intraneural, injection. Research, including ultrasound-guided studies, shows that clinical success does not depend on eliciting paresthesia (Lee et al., 2019). The key is being in the correct tissue plane.
Aspiration and Injection: Once I feel I am at the correct depth, just inside the carpal tunnel, I perform a critical safety check: aspiration. I gently pull back the syringe plunger. If blood returns to the syringe, it indicates the needle tip is inside a blood vessel (like the nearby ulnar artery). If this happens, I must reposition the needle. In this case, no blood returns, confirming I am in a safe location.
I then begin to inject the 2 mL solution slowly and with minimal pressure. Rapid or forceful injection can cause a painful spike in pressure within the confined tunnel and increase the risk of the solution dissecting into the nerve itself. As I inject, the fluid containing the lidocaine and steroid flows into the carpal tunnel, bathing the median nerve and the inflamed flexor tendons. The patient may feel fullness or pressure in the wrist, which is normal.
Withdrawal: Once the entire volume is delivered, I withdraw the needle smoothly along its entry path. The procedure is complete.
I immediately ask the patient about her pain level during the procedure. “Zero pain,” she reports with a smile. This is the outcome we strive for—a procedure that is not only therapeutically effective but also well-tolerated.

Post-Procedure Care and The Role of Integrative Rehabilitation

The injection is a powerful tool to break the cycle of inflammation and pain, but it is often just one piece of a larger, more comprehensive treatment puzzle. True long-term success comes from addressing the underlying factors that contributed to the CTS in the first place. This is where our integrative model truly shines.

Immediate Post-Injection Care

Immediately after the injection, I apply gentle pressure to the site with a sterile gauze pad, then cover it with a simple adhesive bandage. I instruct the patient on post-procedure care:
Initial Rest: “For the next 24-48 hours, please try to take it easy with this hand. Avoid any heavy lifting, forceful gripping, or repetitive motions. The lidocaine will provide pain relief for a few hours, but after it wears off, you may experience some soreness at the injection site. This is normal.”
The “Steroid Flare“: “It’s also possible to experience a temporary increase in pain a day or two after the injection. This is called a ‘steroid flare’ and happens as the steroid medication crystallizes in the tissue before it starts to dissolve and take effect. It’s not a sign that something is wrong. You can manage this with ice packs and over-the-counter pain relievers like acetaminophen or ibuprofen, as long as they are medically appropriate for you.”
Monitoring for Signs of Infection: “Although very rare, it’s important to watch for any signs of infection, such as increasing redness, swelling, warmth, or any pus-like drainage from the site. If you experience this or a fever, please get in touch with our office immediately.”
The Onset of Relief: “The full anti-inflammatory effect of the steroid typically begins within 3 to 7 days. This is when you should start to notice a significant reduction in your symptoms of numbness, tingling, and pain.”

Long-Term Strategy: Chiropractic, Rehabilitation, and Functional Medicine

The injection creates a crucial window of opportunity. With pain and inflammation significantly reduced, the patient can now engage in the rehabilitative therapies essential for long-term recovery and preventing recurrence.
Chiropractic Care for the “Double Crush“ Phenomenon: As a chiropractor, I will perform a thorough assessment of the patient’s entire upper kinetic chain. The nerves that supply the hand originate in the neck (cervical spine). If a subluxation (misalignment) or disc issue in the neck compresses a nerve root (e.g., C6 or C7), it can make the median nerve more vulnerable to compression further down at the wrist. This is the “double crush syndrome” (Upton & McComas, 1973). Gentle, specific chiropractic adjustments to the cervical and thoracic spine can restore proper motion, alleviate nerve root irritation, and improve overall nerve function, providing relief that a wrist-only treatment would miss.
Targeted Rehabilitation: We will initiate a customized physical therapy program. This is not just a generic sheet of exercises; it’s a progressive plan that includes:
Tendon Gliding Exercises: A specific series of hand movements designed to gently slide the flexor tendons and the median nerve back and forth through the carpal tunnel. This helps to break up minor adhesions and improve the nerve’s mobility within the sheath.
Nerve Flossing/Gliding: Similar to tendon gliding, these exercises are specific movements of the neck, arm, and wrist designed to gently mobilize the entire length of the median nerve from the neck to the hand, ensuring it can slide freely at all potential compression points.
Stretching: We focus on stretching the wrist flexor muscles, which can tighten and contribute to pressure in the tunnel.
Strengthening: Once the inflammation subsides, we introduce gentle strengthening exercises for the hand and forearm to improve support and stability.
Ergonomic and Lifestyle Modification: A crucial component of our functional medicine approach is identifying and modifying the aggravating activities. We conduct a detailed review of the patient’s daily life: What is her occupation? What are her hobbies? We provide specific advice on:
Workstation Ergonomics: Adjusting chair height, keyboard position, and mouse usage to maintain a neutral wrist posture.
Tool Modification: Using tools with larger, padded handles to reduce grip force.
Activity Pacing: Taking frequent breaks during repetitive tasks to stretch and rest the hands.
Splinting: We often recommend wearing a neutral wrist splint, especially at night. Many people flex their wrists while sleeping, which compresses the carpal tunnel. A splint keeps the wrist straight and neutral, allowing the nerve to rest and recover overnight.
Functional Medicine and Nutrition: Systemic inflammation is a major contributor to CTS. We may explore anti-inflammatory dietary strategies, such as increasing the intake of omega-3 fatty acids (found in fish oil) and antioxidant-rich fruits and vegetables. We might also recommend supplements like Vitamin B6, which some studies show supports nerve health and may benefit mild CTS (Ryan-Harshman & Aldoori, 2007). Addressing underlying metabolic issues like pre-diabetes or thyroid dysfunction, which are known risk factors for CTS, is also a key part of our holistic approach, managed in collaboration with Dr. Cardenas.

Conclusion: A Synthesis of Precision and Holism

The carpal tunnel injection I performed today is a perfect example of modern, evidence-based medicine. It is a precise, anatomically guided procedure designed to deliver targeted pharmacological relief. However, its true power is unlocked when it is embedded within a comprehensive, integrative framework.
At Injury Medical Clinic, under the medical direction of Dr. Maria Cardenas, we have cultivated an environment where the precision of a medical procedure coexists with the holistic principles of chiropractic care, the root-cause investigation of functional medicine, and the restorative power of physical rehabilitation. We don’t just treat the wrist; we treat the patient. We address the spine’s biomechanics, the biochemistry of inflammation, and the bio-reality of a person’s daily life.
By calming the fire of inflammation with a targeted injection, we open the door to true healing. We provide the structural realignment, the rehabilitative strength, and the lifestyle education necessary to not only resolve the current episode of carpal tunnel syndrome but to empower our patients with the tools to prevent its return. This synthesis of care is what allows us to guide our patients, like the 65-year-old woman I treated today, on a journey from debilitating pain to lasting, functional wellness.

References

• Lee, J. H., Kim, D. H., & Kim, D. H. (2019). Clinical efficacy of carpal tunnel injection with or without eliciting paresthesia. Journal of Orthopedic Surgery, 27(1), 2309499018820358. https://doi.org/10.1177/2309499018820358
• McDonnell, G., & Burke, P. (2013). Povidone-iodine: A review of its role as a surgical skin preparation agent. Journal of Hospital Infection, 85(2), 116–123. https://doi.org/10.1016/j.jhin.2013.07.001
• Prabhakar, A., Lambert, T., Kaye, R. J., Gordin, V., & Kaye, A. D. (2019). Adjuvants in clinical regional anesthesia practice: A comprehensive review. Best Practice & Research Clinical Anaesthesiology, 33(4), 415–423. https://doi.org/10.1016/j.bpa.2019.09.002
• Ryan-Harshman, M., & Aldoori, W. (2007). Carpal tunnel syndrome and vitamin B6. Canadian Family Physician, 53(7), 1161–1162. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1949212/
• Smith, J., Wisniewski, S. J., & Finnoff, J. T. (2020). Musculoskeletal Injections: A Review of the Evidence. In Musculoskeletal Sports and Spine Disorders: A Comprehensive Guide (pp. 1-21). Springer, Cham.
• Upton, A. R., & McComas, A. J. (1973). The double crush in nerve-entrapment syndromes. The Lancet, 302(7825), 359–362. https://doi.org/10.1016/S0140-6736(73)93196-9
• Yildiz, E., Hosseini, P., Sehra, R., Amin, F., & Amin, R. (2021). Anatomic variations of palmaris longus muscle and its clinical implications: a review of the literature. Cureus, 13(8), e17316. https://doi.org/10.7759/cureus.17316

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