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FATIGUE OF MUSCLE
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fitted up this beautiful experiment, as devised by Marey, to show you this. The pithed frog (entirely devoid of sensation) lies on this cork plate, and a thread from the tendon of
Fig. 65. Arrangement of apparatus for the demonstration of fatigue. a, recording cylinder; b, railroad carrying the myograph, c; d galvanic element; e, induction coil; f, key.
the gastrocnemius passes to a light lever writing on the surface of this drum. The cork plate, bearing the frog, is on a stand that moves by clockwork from left to right, so that the plate moves a little to the right during one revolution of the drum. Thus the tracings are kept from blurring, each successive curve being
