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Pectoralis minor syndrome (PMS) is a condition related to thoracic outlet syndrome (TOS) that results from the pectoralis minor muscle being too tight. [1] PMS results from the brachial plexus being compressed under the pectoralis minor [2] while TOS involves compression of the bundle above the clavicle. In most patients, the nerves are ...
Although the cause of RSP is multifactorial, two major contributors to RSP are the tightness of the pectoralis minor muscle and the weakening of lower trapezius muscle. [34] As the only scapulothoracic muscle anteriorly originating and inserting to the scapula , the pectoralis minor ’s function in favoring the internal and downward rotation ...
5 chest stretches. Tight chest muscles can cause the shoulders to round forward, putting strain on the back, so it’s important to take the time to stretch out the pectorals.
Discoloration of the hands, one hand colder than the other hand, weakness of the hand and arm muscles, and tingling are commonly present. [citation needed] Only 1% of people with carpal tunnel syndrome have concomitant TOS. [7] Repetitive motions can cause enlargement of muscles which causes compression of veins.
Plus, many people have tight, shortened pec muscles from sitting at desks or working on computers, which can further affect posture by causing the shoulders to slump forward and downward ...
In upper cross syndrome, the muscles in the front of the body, such as the chest and neck flexors, become tight and overactive. The muscles in the back of the body, including the upper trapezius ...
"The esophagus has muscle in it, and if that muscle starts spasming, that can cause chest pain," Martin explains. In fact, "the symptoms are very difficult to differentiate from heart disease ...
Pectoralis minor muscle (/ ˌ p ɛ k t ə ˈ r æ l ɪ s ˈ m aɪ n ər /) is a thin, triangular muscle, situated at the upper part of the chest, beneath the pectoralis major in the human body. It arises from ribs III-V; it inserts onto the coracoid process of the scapula. It is innervated by the medial pectoral nerve.