THE ARTICULATIONS OF THE TRUNK 



187 



Membrane of the sternum 

 (U.S. : Posterior intersternal ligament) 



*Membrana sterni 

 Interclavicular ligament 

 Lig. interclaviculare 



If. 



Posterior sternoclavieular ligament 



LIL'. sternoclaviculare 



Ffret rib 



Triangularis 



sterni muscle 



M. transversus 



thoracis 



Ensiform or 

 xiphoid process 



Processus xiphoideus 



Seventh rib 



-\ 



Internal intercostal 

 muscles 



Mm. intercostales 

 interni 



\ 



(Posterior or inter- 

 nal intercostal 

 aponeuroses 

 Ligg. intercostalia 

 / ( . interna 



Transversalis abdominis muscle 

 M. transversus abdominis 



FIG. 415. POSTERIOR OR INTERNAL INTERCOSTAL APONEUROSES, AND THEIR RELATION TO THE 

 TKIANGULARIS STERNI AND TRANSVERSALIS ABDOMINIS MUSCLES. STERNOCLAVICULAR 

 ARTICULATION. (ANTERIOR WALL OF THE THORAX SEEN FROM BEHIND.) 



Articulationes sternocostales Chondrosternal articulations. 



24 2 



