44 



TOPOGRAPHICAL ANATOMY OF 



carpus the tleshy belly is continued distalwards by a very dense, 

 flattened tendon. 



yi. aiiconaius. 



V M. extensor digitorum 

 communis. 



>r. flexor digitorum profundus, i/' 



M. l)iceps l)rachii. 



M. brachialis. 



Fig. 23.— Anterior Aspect of the Proximal Partof the^Radius and Ulna, with 

 Areas of Muscular Attachment. 



M. triceps brachii (caput mediale). '^ 

 " M. flexor digitorum profuiuliis 



Y^ M. biceps brachii. 



M. brachialis. — 



/Sr. triceps brachii (capites 

 longum et laterale). 



M. flexor carpi ulnaris. v/ 



Fig. 24. —Medial Aspect of the Proximal Part of the Radius and]Ulua, with Areas 

 of Muscular Attachment. 



3. Caput radiale. — The radial head of the deep flexor constitutes 

 the only member of the deepest layer of the flexor group. It is feeble 



