
Thoracic Outlet Syndrome: Causes, Symptoms, and Chiropractic Solutions
Thoracic Outlet Syndrome (TOS) is a condition caused by compression of the nerves, arteries, or veins in the thoracic outlet, the space between the collarbone and the first rib. This compression can lead to pain, numbness, and weakness in the shoulders, arms, and hands. While conventional treatments include medication and, in severe cases, surgery, chiropractic care offers a non-invasive, drug-free approach that can provide significant relief and long-term recovery.

TOS occurs when structures in the thoracic outlet become compressed due to:
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Poor posture (e.g., forward head posture, rounded shoulders)
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Repetitive overhead movements (common in athletes, factory workers, and hairstylists)
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Trauma or injury (such as whiplash or fractures)
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Congenital abnormalities (e.g., extra rib or tight fibrous bands)
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Neurogenic TOS
Caused by compression of the brachial plexus (a network of nerves). This is the most common type.
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Venous TOS
Results from compression of the subclavian vein, leading to swelling and discoloration of the arm.
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Arterial TOS
Caused by compression of the subclavian artery, which is the least common but potentially the most serious.
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Numbness or tingling in the arms or fingers.
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Pain in the neck, shoulder, or arm
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Weakness or difficulty gripping objects
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Swelling or discoloration in the affected limb
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Cold sensitivity in the fingers
A 2019 study published in the Journal of Manipulative and Physiological Therapeutics found that spinal adjustments significantly improve pain and function in patients with neurogenic TOS.
Research in The Journal of Orthopedic & Sports Physical Therapy suggests that postural correction and manual therapy reduce symptoms in TOS patients without the need for surgery.
A case study in the Annals of Vertebral Subluxation Research (2022) showed remarkable improvement in TOS patients after chiropractic adjustments and myofascial release techniques.
Thoracic Outlet Syndrome?
Chiropractic adjustments can help restore proper alignment, relieve nerve compression, and improve blood flow, addressing the root cause of TOS without drugs or surgery. Here’s why chiropractic care is a top choice for TOS patients:




Questions About Thoracic Outlet Syndrome
TOS can be caused by poor posture, repetitive arm movements, trauma, anatomical abnormalities, or muscle tightness compressing nerves and blood vessels in the thoracic outlet.
Doctors use physical exams, X-rays, nerve conduction tests, and vascular studies to confirm TOS. Chiropractors perform specialized tests like Adson's Test and Roos Test to assess nerve and blood flow compression.
Chiropractic care is a non-invasive, drug-free treatment that corrects spinal misalignments, relieves nerve pressure, improves mobility, and reduces muscle tension - leading to long-term symptom relief.
Many patients experience improvement within a few weeks of chiropractic care, depending on the severity of their condition and their adherence to posture correction and rehab exercises.
Yes! Maintaining good posture, avoiding prolonged overhead activities, strengthening postural muscles, and getting regular chiropractic adjustments can help prevent TOS from developing or recurring.
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