Muscles of the Abdomen. 



165 



M. cremas 

 Punic, gperi 



219. The Broad Abdominal Muscles. 



M. transversus s. transversalis abdominis. Orig. : From the inner surface 

 of the seventh to the twelfth costal cartilages, lower lamella of the Fascia lumbo- 

 dorsalis, internal lip of the crest of the ilium and outer half of Poupart's ligament. 

 Insert.: Into an aponeurosis, curved as Linea semilunaris Spigelii; the aponeu- 

 rosis strengthens above the posterior wall, below the anterior wall of the fibrous 

 sheath of the Rectus abdominis. 



M. quadratus lumborum (see Fig. 225). Orig. : Posterior portion of the 

 crest of the ilium, fifth lumbar vertebra and Lig. ileo-himbale. Insert. : Transverse 

 processes of the four upper lumbar vertebrae and lower border of the twelfth rib. 



