Thoracic outlet syndrome (TOS) is a condition that occurs when the nerves or blood vessels in the thoracic outlet (the space between your collarbone and your first rib) are compressed. This can cause pain, numbness, and weakness in your shoulder, neck, and arm.
Here are 5 things you need to know about TOS:
What is TOS? TOS is a condition that occurs when the nerves or blood vessels in the thoracic outlet are compressed. This can cause pain, numbness, and weakness in your shoulder, neck, and arm.
What are the symptoms of TOS? The symptoms of TOS can vary from person to person, but they often include:
Pain in the shoulder, neck, or arm
Numbness or tingling in the fingers
Weakness in the arm
Swelling in the hand or arm
Coldness in the hand or arm
Raynaud's phenomenon (a condition that causes the fingers to turn white, blue, or red in response to cold or stress)
What are the causes of TOS? The exact cause of TOS is unknown, but it is thought to be caused by a combination of factors, including:
Anatomical abnormalities, such as a cervical rib (an extra rib that extends from the neck) or a narrowing of the thoracic outlet
Trauma, such as a sports injury or a car accident
Repeated use of the arms, such as in certain occupations or sports
Pregnancy
How is TOS thoracic outlet syndrome test diagnosed? There is no single test that can definitively diagnose TOS. Doctors typically rely on a combination of physical examination, imaging tests, and electrodiagnostic studies to make a diagnosis.
How is TOS treated? There is no one-size-fits-all treatment for TOS. The best treatment for you will depend on the severity of your symptoms and the underlying cause of your TOS. Treatment options may include:
Physical therapy
Pain medication
Injections
Surgery
If you are experiencing symptoms of TOS, it is important to see a doctor to get a diagnosis. TOS is a treatable condition, and early diagnosis and treatment can help to improve your chances of a full recovery.
Here are some additional tips for living with TOS:
Avoid activities that aggravate your symptoms.
Use proper posture and ergonomics at work and at home.
Keep your shoulders relaxed.
Strengthen your neck and shoulder muscles.
Take breaks throughout the day to stretch and move your arms.
Get enough sleep.
Manage stress.
If you are struggling to manage your TOS symptoms, talk to your doctor. They may be able to recommend additional treatment options or refer you to a support group.