THE PRINCIPLES OF MYODYNAMICS. 8 1 



The muscles that directly and indirectly flex the 

 forearm are inore powerfid tha7i those zvhich di- 

 rectly and indirectly extend the forearm. 



I made transverse sections of the upper limb 

 of a muscular male, whose cadaver had been 

 preserved for dissection. First : I made a 

 transverse section of the fore arm three inches 

 above the wrist joint : (i) The section of the 

 muscles on the dorsal aspect showed an area of 

 about one and one-eighth square inches ; and 

 (2), the section of the muscles on the palmar 

 aspect showed an area of about two square 

 inches. Second: I made a transverse section of 

 the fore- arm four inches below the elbow joint : 



(1) The section of the muscles on the dorsal 

 aspect showed an area of about two square inches ; 



(2) the section of the muscles on the palmar 

 aspect showed an area of about four and one- 

 half square inches. Third : I made a transverse 

 section of the middle of the arm : (i) The sec- 

 tion of the muscles on the dorsal aspect showed 

 an area of about two and one-half square inches ; 

 and (2), the section of the muscles on the palmar 



