, Volume 57, Issue 4, pp 399-401

The receptor field of reflex contraction of the muscles of the anterior abdominal wall in man

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A study was made of the electrical activity of the muscles of the anterior abdominal wall and of the left iliac area in 24 patients with acute appendicitis.

In most of the cases mechanical stimulation of the parietal peritoneum and viscera provoked a rise in the electrical activity of the abdominal muscles. A similar increase was observed also during the mechanical stimulation of the hernial sac in patients with a nonstrangulated inguinal hernia. These results indicate that défense musculaire is a visceromotor reflex, the parietal peritoneum and visceral organs being included in its receptor link.

Muromskaya Railroad Hospital (Head-V. I. Presnyakov), Gor'kovskaya Railroad (Presented by Active Member AMN SSSR A. A. Vishnevskii) Translated from Byullenten' Éksperimental'noi Biologii i Meditsiny, Vol. 57, No. 4, pp. 24–26, April, 1964