THE TRUNK MUSCLES. 



509 



Fig. 520. 



Obliquus superior— i- 



Trachelo-mastoid 

 Levator anguli scapulse 



Spinalis colli 

 Cervicalis ascendeus 

 Transversalis cervicis 



Rectus capitis posticus minor 

 Rectus capitis posticus major 



Obliquus inferior 



Semispinals capitis 

 (complexus and biventer) 



Levator anguli scapulae 

 Semispinalis colli 



Accessorius 

 (ilio-costali« dorsi) 



Spinalis dorsi 



Longissimus dor 



Ilio-costalis 

 (ilio-costalis lumborum) 



Sacro-spinalis 

 (erector spiiiae) 



Semispmaus 

 dorsi 



— Quadratus lumborum 



Multifidus spinse 



Dissection of muscles of back, showing transverso-costal and transverso-soinal tracts. 



