GENERAL TABLE OF MUSCULAB INSEBTIONS. 321 



II. Ulna. 

 The ulna gives insertion : — 



a. By Us upper extremity (olecranon) to the — ■ 



1. Long extensor of the fore-arm. 



2. Large extensor of the fore-arm. 



3. Short extensor of the fore-arm. 



4. Middle extensor of the fore-arm. 



5. Small extensor of the fore-arm, or anconeus muscle. 



6. Oblique flexor of the metacarpus. 



7. Deep flexor of the phalanges, or perforans, 



6. By its iody, to the — 



1. Short flexor of the fore-arm, or, anterior brachial muscle. 



2. Lateral extensor of the phalanges. 



D. BONES OF THE OAKPUS. 



Supercarpal Bone. 

 The supercarpal bone, the only bone of the carpus which has muscular 

 attachments, gives insertion to two muscles : — 



1. External flexor of the metacarpus, or posterior ulnar. 



2. Oblique flexor of the metacarpus. 



B, BONES OP THE METACAEPUS. 

 I. Principal Metacarpal. 

 The principal metacarpal gives insertion to a single muscle : — 

 By its superior extremity, to the — 



Anterior extensor of the metacarpus. 



II. External Rudimentary Metacarpal. 

 This gives insertion to a single muscle : — 



External flexor of the metacarpus, or posterior ulnar. 



III. Internal Rudimentary Metacarpal. 

 This gives insertion to two muscles : — 



1. Oblique extensor of the metacarpus. 



2. Internal flexor of the metacarpus, or groat palmar muscle. 



p. BONES OF THE DIGITAL REGION. 



I. First Phalanx. 

 This gives insertion to two muscles : — 



1. Anterior extensor of the phalanges. 



2. Lateral extensor of the phalanges. 



II. Second Phalanx. 

 This gives insertion to two muscles : — • 



1. Anterior extensor of the phalanges. 



2. Superficial flexor of the phalanges. 



III. Third Phalanx. 



The third phalanx, or os pedis, gives insertion to two muscles :— 



1. Anterior extensor of the phalanges. 



2. Deep flexor of the phalanges. 



