Weitere Mitteilungen über die Geschwindigkeit der Erregungsleitung im markhattigen menschlichen Nerven

Piper, H.

doi:10.1007/bf01680920

Cited by 6 publications

(5 citation statements)

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“…Whole nerve (RLN) stimulation would certainly be technically easier to implement. However, preferential stimulation of axons of larger diameters is unavoidable in such case, since those fibers are more sensitive to current than their smaller counterparts 7,8 . An additional difficulty in targeting the axons specifically innervating the ILMs pertains to their scatter within the RLN (Fig.…”

Section: Introductionmentioning

confidence: 99%

Contraction Patterns of Intrinsic Laryngeal Muscles Induced by Orderly Recruitment in the Canine

et al. 1996

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The specific performance of intrinsic laryngeal muscles has been difficult to evaluate, especially in living subjects. To reproduce natural contractions, we artificially induced orderly recruitment of their innervating axons according to the size principle. In 5 dogs, both recurrent laryngeal nerves (RLNs) were stimulated with 50 through 10 Hz, 300 to 1000 microA currents while 600 Hz, 1000 to 0 microA decreasing blocking currents were administered. Surface electromyography electrodes placed on the thyroarytenoid, posterior cricoarytenoid, and lateral cricoarytenoid muscles were used to determine the amplitudes (in mA) of compound muscle action potentials. There was a highly statistically significant difference (P<.004) between the thyroarytenoideus which had the fastest rate of recruitment (8.38%), and posterior cricoarytenoideus, which had the slowest (4.81%). There was an intermediate recruitment rate (6.72%) of the lateral cricoarytenoideus, a divergence attributed to a more equal distribution in fast and slow types of myofibers and a smaller sample. We submit that RLN axons can be recruited in an orderly manner according to their sizes and that the rates are unique to the muscle classes they innervate. The parameters defining these contraction patterns may offer key information for laryngeal pacing.

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Section: Introductionmentioning

confidence: 99%

Contraction Patterns of Intrinsic Laryngeal Muscles Induced by Orderly Recruitment in the Canine

et al. 1996

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“…Der Beginn der Neurografie motorischer Nerven mit der Registrierung der elektrischen Aktivität des stimulierten zuckenden Muskels und der Bestimmung der Nervenleitgeschwindigkeit, geht vermutlich zurück auf Studien von Hans Piper veröffentlicht 1908 und 1909 3 4 . Darin beschreibt er seine aufwendige Methode:…”

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“…Die Lokalisierung der Elektroden war so, dass die Mitten der Trichteröffnungen 7 cm und 15 cm unterhalb der Ellenbeuge standen. Als reagierendes Instrument diente ein großes Saitengalvanometer aus dem Institut von Professor Edelmann und Sohn, München.“ 4…”

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Motorische Neurografie: Historisches und Wissenswertes

Buchner

2023

Klinische Neurophysiologie

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“…Piper (10) has repeated in a more careful way his former work on the velocity of the nervous impulse, recording by the string galvanometer both the muscular action-current and the stimulus to the nerve. The rate is found to be 123 m. per sec.j and to be independent…”

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confidence: 99%

The galvanic phenomena.

Dunlap¹

1911

Psychological Bulletin

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Weitere Mitteilungen über die Geschwindigkeit der Erregungsleitung im markhattigen menschlichen Nerven

Cited by 6 publications

References 0 publications

Contraction Patterns of Intrinsic Laryngeal Muscles Induced by Orderly Recruitment in the Canine

Contraction Patterns of Intrinsic Laryngeal Muscles Induced by Orderly Recruitment in the Canine

Motorische Neurografie: Historisches und Wissenswertes

The galvanic phenomena.

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