scalenus


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scalenus

[skā′lē·nəs]
(anatomy)
One of three muscles in the neck, arising from the transverse processes of the cervical vertebrae, and inserted on the first two ribs.
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nerve roots arising anterior to the anterior scalenus muscle) or to the course of nerve roots (e.
Observation Sex Total Female Male Cx rib only 48 (40%) 6 (32%) 54 (39%) Cx rib and fibrous band 37 (31%) 9 (47%) 46 (33%) Cx rib and hypertrophied 7 (6%) 1 (5%) 8 (6%) scalenus muscle Cx.
pectoralis, scalenus y serratus ventralis thoracis) que proveen una mayor flexibilidad en la locomocion terrestre (Sargis, 2001; Argot, 2003; Flores y Diaz, 2009).
3cm in width was seen to be arising from the middle of the anterior surface of scalenus medius muscle .
posterior and lateral heads of the scalenus muscle and the third rib.
Key words: Neck muscles, scalenus anterior, palpation, clinical anatomy
V1: The first part after its origin passes backwards and upwards between longus colli and scalenus anterior muscles behind the common carotid artery and the vertebral vein up to foramen transversarium of C6 vertebra.
A moderate decrease in right lateral flexion and right rotation associated with muscular spasms (bilaterally) at the cervical paraspinal and scalenus muscles was present.
The subclavian vein lies anteriorly, separated from the artery by anterior scalenus as it inserts into the first rib at the tubercle of Lisfranc.
The scalenus muscle is above the serratus magnus muscle and in front of the ribs.
Abnormalities include: a drooping shoulder girdle, a cervical rib or fibrous band, an abnormal first rib, continual hyperabduction of the arm, or--rarely--compression of the edge of the scalenus anterior muscle.