58 EQUINE ANATOMY. 



Action. Extends head and neck or draws them to side. 

 Nerve. Superficial cervical. 



GREAT COMPLEXUS. 



Origin, Anterior Portion. Transverse processes of first and 

 second dorsal vertebrae, and articular tubercles of cervical vertebrae. 



Posterior Portion. From spinous process of first dorsal, and 

 transverse process of first four or five dorsal vertebrae. 



Insertion. Occipital tuberosity. 



Action. Extensor of head. 



Nerve. Deep cervical. 



SMALL COMPLEXUS. 



Origin. Same as anterior portion of former. 

 Insertion. Mastoid process of temporal. 

 Action. Extends head and inclines it to one side. 

 Nerve. Deep cervical. 



TRANSVERSE SPINOUS OF NECK. 



Origin. To five last articular tubercles of cervical spine. 

 Insertion. Second, third, fourth, fifth and sixth cervical spinous 

 processes. 



Action. Extensor and flexor of cervical region. 

 Nerve. Deep cervical. 



INTER-TRANSVERSE OF NECK. 



Origin. Six short muscles between transverse processes of 

 cervical spine, except between first and second. 

 Action. Incline neck to same side. 

 Nerve. Superficial cervical. 



GREAT OBLIQUE OF HEAD. 



Origin. Spinous process of axis. 

 Insertion. Transverse process of atlas. 

 Action. Rotates atlas on odontoid process. 

 Nerve. Second cervical. 



SMALL OBLIQUE. 



Origin. Transverse process of atlas. 



Insertion. Styloid process, external surface of occipital and 

 mastoid crest. 



