The major nerves and blood vessels serving the upper extremity lie within or adjacent to the scalene triangle as they pass through the upper part of the thoracic outlet over the first rib. The scalene triangle is therefore one of the principal sites for nerve and blood vessel compression that causes TOS.
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Nov 9, 2022 · The interscalene triangle (sometimes termed simply the scalene triangle) is a region of the neck with fundamental importance to the function ...
The first narrowing area is the most proximal and is named the interscalene triangle: This triangle is bordered by the anterior scalene muscle anteriorly, the ...
May 9, 2024 · The scalene triangle is defined by the first rib and the anterior and middle scalene muscles and is the most medial compartment. The subclavian ...
the scalene triangle, which is bordered by the scalenus anterior (anterior) and medius (posterior) muscles, and the first rib (inferior) – only the brachial ...
Almost all patients with neurogenic TOS exhibit both tenderness over the scalene triangle and exacerbation of pain, numbness and tingling in the arm and/or hand ...
Dec 24, 2021 · Do you feel pain under the corner of your shoulder blade? It might be that the second rib is slightly out of place, and causes this pain ...
Thoracic outlet syndrome (TOS) is not a single disorder but a collection of abnormalities in the same anatomic area that elicit similar symptoms.
Jun 4, 2021 · Thoracic Outlet Syndrome ; interscalene triangle. proximal space · anterior: anterior scalene muscle ; costoclavicular space. middle space.