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
y serratus ventralis thoracis) que proveen una mayor flexibilidad en la locomocion terrestre (Sargis, 2001; Argot, 2003; Flores y Diaz, 2009).
The nerve may also be entrapped within the scalenus
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.
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