Welcome to our two-part series on Carpal Tunnel Syndrome (CTS), where we delve into effective, non-surgical treatments paired with a functional exercise program. This first installment will explore symptoms, key anatomy, and diagnostic procedures. In part two, we'll focus on treatment strategies and targeted exercises. Recent research indicates that Conservative Manual Therapy can be just as effective as surgery, with only 15% of patients ultimately requiring surgical intervention.
Our Success Rate is 90%
Our 90% success rate in treating Carpal Tunnel Syndrome highlights the effectiveness of our multimodal, interdisciplinary approach, which focuses on both pain reduction and improved function.
Article Index:
Causes of CTS
Carpal Tunnel Syndrome (CTS) can be triggered by anything that compresses or irritates the median nerve within the carpal tunnel. While certain activities are more frequently associated with CTS, they are not the only contributing factors. Some key factors include:
Work-related activities: Repetitive motions, vibrations, increased wrist stress, and exposure to cold.
Medical conditions: Higher rates of CTS are seen in individuals with diabetes, thyroid disorders, rheumatoid arthritis, menopause, pregnancy, and various hormonal imbalances.
Genetic factors: Wrist shape or ligament thickness in the wrist can contribute to CTS.
Combining these factors can cause the median nerve to become "tethered," leading to increased friction, inflammation, heightened pressure within the carpal tunnel, and even fibrosis. The primary question when addressing CTS is, "What is the best approach?"
Non-Surgical Approaches Versus Surgery
Untreated median nerve compression can lead to lasting damage, making early intervention crucial. For non-severe Carpal Tunnel Syndrome (CTS), conservative treatments like manual therapy and exercise are often highly effective. While some cases may eventually require surgery, exploring non-surgical options first to achieve significant relief and potentially avoid more invasive procedures is important. Educating patients on the risks of untreated CTS ensures they make informed decisions and prioritize timely treatment.
Impact of Nerve Compression
Addressing Carpal Tunnel Syndrome (CTS) promptly is essential for three key reasons:
Microvascular Ischemia: Reduced blood flow to the nerve can lead to significant damage due to oxygen deprivation.
Myelin Sheath Damage: Compression often harms the myelin sheath, impairing nerve signal transmission and hand function.
Demyelination: Chronic compression can strip the nerve fibers of their protective covering, leading to degeneration and irreversible changes.
Fortunately, these complications can often be prevented with timely manual therapy and exercise. With the seriousness of CTS in mind, let's explore the symptoms and effective treatment options.
Exciting New Insights on CTS
Groundbreaking research published in the Journal of Physical Therapy (2020) offers a fresh perspective on treating Carpal Tunnel Syndrome (CTS). This four-year study compared Conservative Manual Therapy—including desensitization, cervical mobilization, and nerve gliding exercises—to surgical procedures. The striking results: both approaches were equally effective, with only 15% of those undergoing manual therapy eventually needing surgery.
This challenges earlier beliefs that up to 60% of patients would require surgery post-therapy, suggesting that manual therapy should often be the first line of treatment. The study also emphasizes the importance of addressing the entire CTS kinetic chain, from neck to hand, rather than viewing CTS as a localized issue.
While further research is warranted, this study underscores the significant potential of Conservative Manual Therapy in managing CTS. This article will explore these findings in more detail and highlight their impact on effective CTS management.
Recognizing CTS Symptoms
Carpal Tunnel Syndrome (CTS) can affect one or both wrists and hands, often starting in the dominant hand. Key symptoms include:
Persistent or intermittent numbness
Tingling or abnormal sensations (paresthesias)
Burning, aching, or shooting pain
Stiffness and swelling (edema)
Pain radiating up the arm into the neck
Increased discomfort at night, especially for those with repetitive tasks like typing
Difficulty grasping or pinching objects, leading to frequent dropping
It's essential to remember that median nerve compression can occur at various points from the neck to the hand, sometimes mimicking CTS. A thorough examination of all potential entrapment sites is crucial for accurate diagnosis.
Understanding the Anatomy of CTS
The carpal tunnel is a narrow passage in the wrist, formed by small wrist bones (scaphoid, trapezium, hamate, and pisiform) at the base and covered by the transverse carpal ligament. Picture it as a compact tunnel where the median nerve, responsible for hand sensations and movement, runs beneath this ligament.
Within this tight space, the carpal tunnel also houses nine flexor tendons crucial for finger and thumb movement:
Four flexor digitorum superficialis tendons bend the middle joints of the fingers.
One flexor pollicis longus tendon bends the thumb.
Four flexor digitorum profundus tendons bend the tips of the fingers.
The close quarters of these structures make the carpal tunnel highly prone to compression and irritation, leading to CTS symptoms.
Anatomy of the Hand and Wrist
Watch our video “Anatomy of the Hand & Wrist " to learn more about wrist and hand anatomy. "
Physical Examination
A thorough physical examination is essential in diagnosing suspected Carpal Tunnel Syndrome (CTS). This involves taking a detailed history of both work and leisure activities and assessing the wrist and hand for potential median nerve entrapment sites from the neck to the hand. The videos below demonstrate key orthopedic and neurological techniques commonly used to evaluate CTS.
Wrist & Hand Examination
This video goes through inspection and observation, palpation, Active and Passive Ranges of motion, and orthopedic examination of the wrist and hands.
Cervical Examination
This video goes through inspection, observation, palpation, Active and Passive Ranges of motion, and orthopedic examination of the cervical region.
Upper Limb Neuro Exam
The upper limb neurological examination is part of the overall neurological examination process and assesses the motor and sensory neurons that supply the upper limbs. This assessment helps detect any nervous system impairment and is used both as a screening and investigative tool.
Peripheral Vascular Examination
A peripheral vascular examination is valuable for ruling out signs of vascular-related pathology. The detection and subsequent treatment of PVD can potentially mitigate cardiovascular and cerebrovascular complications. This video reviews some common procedures we perform in daily clinical practice.
Nerve Conduction Tests vs. Ultrasound
Nerve conduction studies are often considered the gold standard for diagnosing CTS, as they measure the speed of electrical signals through the nerve to detect damage. However, they may not always be more accurate than a detailed physical examination.
Ultrasound has become a more reliable diagnostic tool for CTS. It uses high-frequency sound waves to create real-time images of the median nerve and surrounding tendons, offering a lower false-positive rate and reducing the risk of misdiagnosis. Non-invasive, radiation-free, and precise, ultrasound is an excellent option for diagnosing CTS and tracking treatment progress.
Differential Diagnosis
Several conditions can mimic Carpal Tunnel Syndrome (CTS), making a thorough differential diagnosis crucial. While CTS is often suspected through physical examination, it's important to rule out other potential causes before confirming the diagnosis. Consider the following conditions:
Anterior Interosseous Syndrome: Affects the anterior interosseous nerve, leading to difficulty making the OK sign or pinch weakness.
Cervical Radiculopathy: Compression or irritation of nerve roots in the cervical spine, causing arm pain and neurological symptoms.
Degenerative Arthritis: Progressive cartilage degeneration in joints, resulting in pain and limited mobility.
Diabetic Neuropathy: Nerve damage from chronic high blood sugar and microvascular complications associated with diabetes.
Multiple Sclerosis: An autoimmune disease that damages the protective coverings of nerve fibers in the brain and spinal cord.
Peripheral Neuropathies (Ulnar or Radial): Damage to the ulnar or radial nerves, causing sensory and motor symptoms in the upper extremities.
Pronator Teres Syndrome (PTS): Compression of the median nerve in the forearm, often mimicking CTS but with different characteristics like a negative Phalen’s test.
Tendonitis: Inflammation or irritation of a tendon, causing pain and tenderness near a joint.
Tenosynovitis: Inflammation of the synovial sheath around a tendon, leading to pain and restricted movement.
Thoracic Outlet Syndrome: This is a compression of nerves or blood vessels between the collarbone and first rib that results in arm and hand pain, numbness, and weakness.
These conditions share symptoms with CTS, underscoring the need for a comprehensive evaluation to ensure accurate diagnosis and appropriate treatment.
Conclusion - Carpal Tunnel Syndrome Part 1
As we conclude this first part of our series on Carpal Tunnel Syndrome, you've gained a solid understanding of the symptoms, anatomy, and diagnostic procedures crucial for accurately identifying CTS. With a remarkable 90% success rate in non-surgical treatments, our approach emphasizes the power of conservative manual therapy paired with functional exercises. In Part 2, we'll dive into the specific treatment strategies and exercises that have proven so effective in helping our patients avoid surgery and reclaim their daily function.
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DR. BRIAN ABELSON, DC. - The Author
With over 30 years of clinical practice and experience in treating over 25,000 patients with a success rate of over 90%, Dr. Abelson created the powerful and effective Motion Specific Release (MSR) Treatment Systems.
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