The subclavian artery and brachial plexus emerge between the anterior and posterior scalene muscles, and the subclavian vein runs anterior to the anterior scalene muscles into the outlet from ...

They then dissect the front and middle scalene muscles and remove the first rib. Supraclavicular surgery. ... and the first rib to reduce compression on a deep vein called the subclavian vein.

Venous thoracic outlet syndrome: This type of thoracic outlet syndrome happens when one or more veins (i.e., subclavian vein, ... In particular, it’s important to stretch the scalene muscles ...

Thoracic outlet syndrome occurs when something compresses the nerves, arteries, or veins that pass through the thoracic outlet. Learn more about this condition, including symptoms and treatment ...

Adson’s sign or Adson’s maneuver is used to diagnose thoracic outlet syndrome. The clinician has the patient extend their neck and turn their head to the side that is being tested.

Histochemical studies of scalene muscles have shown ... thoracic or cervical outlet syndrome comprises a constellation of symptoms that result from compression of the subclavian artery and vein, ...

The symptoms are due to inflammation in the neck muscles (called scalene muscles). ... Its underlying cause is a congenital narrowing of the space through which the major arm vein (subclavian vein) ...

Neurogenic thoracic outlet symptoms, such as numbness and paresthesia, are usually caused by compression of the brachial plexus by the cervical ribs, ligamentous bands or scalene muscles, Ahmad added.

TOS encompasses a variety of symptoms. Generally, the definition of TOS includes symptoms in the upper extremity related to compression on the nerves, artery, or vein in the thoracic outlet space just ...

COMPRESSION of the subclavian artery is well known as an essential aspect of the pathology of cervical rib, the scalenus syndrome and anomalies of the first thoracic rib. The demonstration of this ...