lOd 



Articulations of the Fingers. 



Zig. 

 trcwsversum 



(fansula 

 fibrosa 



-Art. 



metacarpo- 

 phalangea, 



I/iff, later. 



Art. intfr- 

 phalangea I. 



1/ig- In ten 



Art. r inter- 

 yhalangeaM. 



147. The Articulations of the Fourth and Fifth 



Finders of the Right Hand, from the palmar side. 



On each finger there are : 



1. The Articulatio metacarpo-phcdangea between the head of the meta- 

 carpal bone and the base of the first phalanx; the fibrous capsule is 

 thickened on the palmar side - - Ligamentum transi'ersum : the lateral 

 ligaments weak. The Articulatio mctacarpo-plmlanyea pollicis is a ginglymus 

 (flexion extension); the others fingers have here free movements 

 (flexion - - extension, ab- and adduction). 



2. The Articulatio hitc.rplialanyca prima between the head of the first 

 and base of the second phalanx (flexion - - extension). 



3. The Articulatio interpfialangea secunda between the head of the second 

 and base of the third phalanx (flexion - - extension); 2. and 3- have 

 strong lateral ligaments. 



