“Recent Advanced in the Understanding and Management of Carpal Tunnel Syndrome: A Comprehensive Review”; Urits, I., Gress, K., Charipova, K., Orhurhu, V., Kaye, A., & Viswanath, O.; Hot Topics in Pain and Headache, August 2019 Summary: Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy. It involves compression of the median nerve at the wrist and accounts for 90% of nerve entrapment diagnoses in the US, affecting millions of Americans. Age and gender may influence the development of CTS, with diabetes mellitus being the most strongly associated risk factor. Common symptoms include a pins and needles sensation in the first three fingers and nocturnal burning pain relieved by morning activity. Conservative treatments are typically adequate, but severe cases may require injections or surgery. Emerging treatments like laser and shockwave therapy show variable efficacy, necessitating further research for safety and effectiveness. “Comparison of a Targeted and General Massage Protocol on Strength, Function and Symptoms Associated with Carpal Tunnel Syndrome: A Randomized Pilot Study”; Moraska, A., Chandler, C., Franklin, G., Edmiston-Schaetzel, A., Calenda, E. L., & Enebo, B.; Journal of Alternative and Complimentary Medicine, April 2008 Summary : Carpal tunnel syndrome (CTS) is a significant public health issue, and identifying effective conservative treatments is crucial. This study evaluated two massage therapy protocols for their impact on strength, function, and symptoms in CTS patients. Conducted as a randomized pilot study with double pretests, 27 subjects with CTS were randomly assigned to receive either general massage (GM) or CTS-targeted massage (TM) twice weekly for six weeks. Measurements included hand grip and pinch strength, symptom and function evaluations, and the Grooved Pegboard test. Results showed significant improvements across all measures over time (p < 0.001), lasting at least
four weeks posttreatment. TM led to a greater increase in grip strength (17.3%) compared to GM (4.8%). Both GM and TM improved subjective measures of CTS, but only TM significantly enhanced grip strength. This suggests massage therapy, particularly TM, could be a practical conservative treatment for CTS, though further research is needed. “The Effectiveness of Manual Therapy on Pain, Physical Function, and Nerve Conduction Studies in Carpal Tunnel Syndrome Patients: A Systematic Review and Meta- Analysis”; Jiménez-Del-Barrio, S., Cadellans-Arróniz, A., Ceballos-Laita, L., Estébanez-de-Miguel, E., López-de-Celis, C., Bueno-Gracia, E., Pérez-Bellmunt, A.; International Orthopaedics, February, 2022 Summary: This systematic review and meta-analysis evaluated the effectiveness of manual therapy in improving symptoms, physical function, and nerve conduction in carpal tunnel syndrome (CTS) patients. Databases including MEDLINE, Web of Science, SCOPUS, Cochrane Library, TRIP, and PEDro were searched until September 2021 for randomized controlled trials. Out of 81 potential studies, six involving 401 patients met the criteria. The results showed significant improvements: Pain intensity (SMD–2.13), symptom severity (SMD –1.67), functional status (SMD –0.89), motor nerve conduction (SMD –0.19), and sensory nerve conduction (SMD –1.15). The study concludes that manual therapy techniques, particularly soft tissue and neurodynamic mobilizations, are effective in treating CTS. Summary of research recommendations: ● Swedish (classic) massage ● Trigger point therapy ● Madenci massage technique ● Soft tissue mobilization ● Neurodynamic technique ● Ultrasound therapy coupled with massage therapy ● Targeted carpal tunnel massage protocols Allen’s test In Allen’s test, the therapist compresses both the radial and the ulnar arteries with a firm pressure, thereby occluding blood flow. For 30 seconds, the client makes a fist several times. After 30 seconds, the therapist releases pressure from the ulnar artery to witness a restoration of blood flow. The therapist then reapplies pressure on the ulnar artery while releasing pressure off the radial artery for a restoration of blood flow. Failure to witness a restoration of blood flow to the hand indicates myofascial restrictions along either the radial or the ulnar sides of the antebrachium. Note: The therapist could release pressure from the radial artery prior to releasing ulnar artery pressure with no consequence to the testing (Zisquit et al., 2022). Finkelstein test In the Finkelstein test, the client places the thumb within their fist, then ulnar deviates the hand. This motion stretches the abductor pollicis longus and flexor pollicis longus tendons. If sharp pain results, this indicates De Quervain’s tenosynovitis. Feeling a stretch of these pollicis tendons is expected; pain that radiates proximally upon the forearm is not a natural occurrence (Som et al., 2023) Tinel’s sign The practitioner lightly taps upon the carpal tunnel within the client’s palm. Recreation of CTS symptoms indicates a positive indication for carpal tunnel syndrome (Lesher, 2018).
DIFFERENTIAL DIAGNOSIS
Carpal tunnel syndrome is often confused with other conditions that manifest themselves in similar expected signs and symptoms. Thoracic outlet syndrome, Guyon’s canal syndrome, radial nerve impingement, pectoralis minor syndrome, frozen shoulder, and subscapular impingement are all conditions easily mistaken or deemed “carpal tunnel” by health professionals. Phalen’s test In Phalen’s test, the client presses the dorsal surfaces of the hands together in front of themselves with their wrists flexed as much as possible. This position is held for up to 60 seconds. The classic signs of CTS will manifest with this test if the condition is present. For true CTS patients, acute pain and sensation is felt within 5 seconds. This test can also be performed in reverse position (e.g., with wrists extended; Cleveland Clinic, 2023. Healthcare Consideration: A positive indication with Phalen’s test performed with the wrist flexed indicates a bone/joint displacement injury. A positive indication with Phalen’s test performed with wrists extended indicates a myofascial-related challenge to address with the CTS patient. Finger loop test In the finger loop test, the client interlocks the index finger and the thumb in opposite positions. The client presses their fingers against each other to hold this interlocked position. If a client cannot maintain this locked position with firm pressure application (as if to pull the fingers apart), carpal tunnel syndrome is indicated.
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