. Electro-physiology . Fin. 3S.—Excitation of a somewhat exhausted bloodless gastrocnemius of Frog, by groups of 1, 2, 3, 4, 5, uniform maximal break induction shocks. Increase in height of contraction with repeated excitation at short intervals ("staircase"). Decrease on longer duration of the pauses (tuning-fork, ,V sec.) (Engelmann.) the strength of the individual stimuli. On the application of minimal stimuli, there is, as a rule, no increment of the contrac- tion series, or at most a trace only, whereas in the maximal series it is invariably well developed (Fig. 38). If such a s
. Electro-physiology . Fin. 3S.—Excitation of a somewhat exhausted bloodless gastrocnemius of Frog, by groups of 1, 2, 3, 4, 5, uniform maximal break induction shocks. Increase in height of contraction with repeated excitation at short intervals ("staircase"). Decrease on longer duration of the pauses (tuning-fork, ,V sec.) (Engelmann.) the strength of the individual stimuli. On the application of minimal stimuli, there is, as a rule, no increment of the contrac- tion series, or at most a trace only, whereas in the maximal series it is invariably well developed (Fig. 38). If such a series is interrupted and resumed after a pause, the first of the new- contractions is smaller than the last before the interval (Tiegel, Eossbach, Buckmaster), but the muscle immediately resumes its increasing contractions. Within a certain range it is absolutely
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