392 THE MUSCULAR SYSTEM. 
The sealenus posticus arises from the posterior tubercles of the fourth, fifth, 
and sixth cervical 
transverse processes, 
and is inserted into the 
rough impression on 
A\< the outer side of the 
iY aoe second rib. : It is 
SS lea Reorvs carims ‘Concealed’ behind Fang 
Me ay? anricus MINCE! Y Fhe levator ‘aioe 
Rucie cars /SCapullec sama ine in 
" ANTICUS MASOR “contact ‘anteriounm 
with the scalenus 
medius. 
The rectus capitis 
anticus major arises 
from the anterior 
——Lonevs corr, tubercles of the trans- 
verse processes of the 
third, fourth, fifth, and 
ReEcTuUs CAPITIS LW 
ANTICUS MINOR 
be he <r ee ee 
SCALENUS is 5 
~~ aNTICUS sixth cervical verte- 
—_SCALENUS aap 
aoa bre. It forms a flat 
SCALENUS triangular muscle, 
KR POSTICUS 
\\ 
which is directed up- 
wards, to be inserted 
into the basilar process 
of the occipital bone 
behind the pharyngeal 
spine. It les on the 
cervical vertebrae be- 
hind the carotid 
essels and the 
pharynx, external to 
the longus colli, and internal at its origin to the scalenus anticus. . 
The rectus capitis anticus minor arises from the anterior arch of the atlas, and 
Fig. 287.—THE PREVERTEBRAL MUSCLES OF THE NECK. 
SCALENUS MEDIUS ——__— 
LEVATOR ANGULI SCAPULA —___ 
SPLENIUS COLLI ——— 
Posterior 
tubercles of. 
transverse 
processes SCALENUS POSTICUS ——— 
K f 
SSE 
_, SCALENUS 
ANTICUS 
Anterior 
RECTUS CAPITIS | tubercles of 
i" ANTICUS MAJOR [transverse 
processes 
CERVICALIS ASCENDENS — 
TRANSVERSALIS CERVICIS 
= SS SSS 
~LoNGuUSs COLLI 
TRACHELO-MASTOID — 
i COMPLEXUS — 
Articular processes< | 
| SEMISPINALIS COLLI — 
MULTIFIDUS SPINE ~— 
Fic. 288.—ScHEME OF MuscuLAR ATTACHMENTS TO CERVICAL VERTEBR2. 
is inserted into the basilar process between the previous muscle and the foramen 
magnum. It is concealed by the rectus capitis anticus major. 
