CHAPTER XXIII 



RESPIRATION 



The respiratory movements in man. Examine the chest during quiet 

 respiration, and notice the parts in which movement is most evident ; 

 the same with forced respiration. Observe the alteration in obliquity 



sp 



fr 



FIG. 74. BURDON-SANDERSON'S STETHOGRAPH. fr, FRAME SUSPENDED OVER THE SHOULDER BY 



CORD, c ; b. V, BUTTONS APPLIED TO OPPOSITE SIDES OP THE CHEST WALL ; sp, STEEL SPRING ; 

 t, RECEIVING TAMBOUR ; t', RECORDING TAMBOUR. 



and other changes in position of the ribs, rib-cartilages, sternum, and 

 epigastrium. Apply the ear directly or through a stethoscope to the 

 chest wall and listen to the vesicular murmur. Count the rate of 



respiration and compare it with that of the pulse of the same individual. 



90 



