SHOULDER^ ./AM/, FOREARM, HAND, POSTERIOR PART, .347 



( \~] Then lift the nerve on your tinker and follou the same by dividing the con- 



ive tissue in the direction of the branches <;iven off. 



Remember that the circumflex nerve sends its cutaneous branches to the skin 

 o\erthe insertion of the deltoid, according to Hilton's law. (Fig. 241.) The 

 imisculo-cutaneous n ids a cutaneous branch to supply the skin over tin- 



insertion of the supinator lon^us, according to the same law, since this muscle 



lie of the forearm flexors and is supplied by the musculo-cutaneous. The 



DORSAL BRANCH 

 I..VAR 



in;. i x< -ir or 



IIAA 

 NERVE 



BRAXCIl OF MVKTLO-SPIRAL 



RADIAL XERVB 



ic. 242. A DISSECTION <>i nn Ci T,VM--.I>I- NERVES ON THE DORSAL ASPECT OF THE 



HAND AND KINCKRS. (II. St. J. B.) 

 The branches of the median nerve are shown in black. 



distribution of the radial nerve is explained in the same way. You will note that 

 the cutaneous nerves divide into numerous small branches. (Fig. 242.) 



Tltc //i\'/> fa.-ii'iii is quite heavy below the elbow, but thin above the elbow. 

 ( )pposite the wrist it takes the name posterior annular ligament. Notice in figure 

 j.)3 that the muscles all become tendinous before they reach this ligament. 

 Remove the deep fascia as in the figure. " Dorsal fascia" is the name for the 

 d ep fascia on the back of the hand. 



