82 



PHYSIOLOGY OF MUSCLE AND NERVE 



flexor digitorum sublimis, or of the muse, abductor indicis. 1 The 

 former type of contraction, however, must be repeated in rapid suc- 



FIG. 49. Mosso's EHGOGRAPH. 



c, is the carriage moving to and fro on runners by means of the cord d, which passes 

 from the carriage to a holder attached to the last two phalanges of the middle finger 

 (the adjoining fingers are held in place by clamps) ; p, the writing point of the carriage, 

 c, which makes the record of its movements on the kymograph; w, the weight to be 

 lifted. (Howell.) 



FIG. 50. NORMAL FATIGUE CURVE OF THE FLEXORS OF THE MIDDLE FINGER OF RIGHT 



HAND. 

 Weight 3 kilograms, contractions at intervals of two seconds. (Maggiora.) 



cession, because even a load of as much as 6 kg. lifted at intervals of 

 1 Storey, Am. Jour, of Physiol., viii, 1903, 355. 



