. A manual of diseases of the nervous system. Fia. 3.—Method op eliciting thb FOOT-CLOKUS. EliPLEX. 28 trace a line on a revolving cylinder covered with blackened paper,tracings may be obtained (Fig. 4), which are almost as regular as. Ftd. 4.—Tracing- of the in Paeaplegia.(The tracing reads from right to left.) those of a tuning-fork.* The clonus in the extensors of the knee hasthe same time, and the two are of the same nature. A clonus quitesimilar may sometimes be obtained in other muscles—peronei, flexorbrevis pollicis. Similar contractions may be obtained in the musclesof th
. A manual of diseases of the nervous system. Fia. 3.—Method op eliciting thb FOOT-CLOKUS. EliPLEX. 28 trace a line on a revolving cylinder covered with blackened paper,tracings may be obtained (Fig. 4), which are almost as regular as. Ftd. 4.—Tracing- of the in Paeaplegia.(The tracing reads from right to left.) those of a tuning-fork.* The clonus in the extensors of the knee hasthe same time, and the two are of the same nature. A clonus quitesimilar may sometimes be obtained in other muscles—peronei, flexorbrevis pollicis. Similar contractions may be obtained in the musclesof the arms. Normally those most distinct are (1) in the biceps andsupinator longus, obtained by a tap at the wrist, especially on the radius,to which the biceps tendon is attached; and (2) in the triceps, by a tapon its tendon above the olecranon. When excessive, and there is persis-tent contraction in the flexors of the fingers, a similar contraction can beobtained in them, or in the supinators, and even a clonus, by maintain-ing the increased tension. With the increased excitabihty of disease,a contraction can easily be obtained in the masseters by tapping thechin when the jaw is depressed, and a clonus may occasionally bepro
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