. Electro-physiology. Electrophysiology. II CHANGE OF FORM IN MUSCLE DURING ACTIVITY I'uleruiu pulls on the same lever in the opposite direction—such a contraction is termed " isotonic" (Fick) (Fig. 40). It will then be found as a rule that, with heavy loading, the height of such contractions decreases gradually with the magnitude of the constant tension, rapidly at first, and afterwards much more slowly, but by no means in proportion with the loading, so that the corresponding yield of work increases simultaneously without inter- ruption (cf. Santesson's tables, Scandinavischen Arch
. Electro-physiology. Electrophysiology. II CHANGE OF FORM IN MUSCLE DURING ACTIVITY I'uleruiu pulls on the same lever in the opposite direction—such a contraction is termed " isotonic" (Fick) (Fig. 40). It will then be found as a rule that, with heavy loading, the height of such contractions decreases gradually with the magnitude of the constant tension, rapidly at first, and afterwards much more slowly, but by no means in proportion with the loading, so that the corresponding yield of work increases simultaneously without inter- ruption (cf. Santesson's tables, Scandinavischen Archiv, i. 1889, p. 25 f.) Under certain conditions a direct increase in magnitude of contraction (height of twitch) is visible with increasing tension. As early as 1863, A. Fick observed in the adductor. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Biedermann, W. (Wilhelm), 1852-1929; Welby, Frances A. (Frances Alice). London : Macmillan
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