抄録
An electromyographic investigation on the abdominal wall muscles in visceroptotic subjects was performed using an eight channel electroence-phalograph with surface electrodes in 30 cases of visceroptosis. The results obtained are as follows:
1. In visceroptosis, the resting discharge from the internal obliques in erect posture is more than normal; the waves of discharge have an amplitude of 100-200 μV in these cases, while below 100 μV in normal.
2. This is apparently due to the fact that in visceroptosis the internal oblique which support the intra-abdominal viscera, especially stomach and colon, may have to work harder than in normal.
3. It may be, therefore, impossible to discuss the pathologic physiology of visceroptosis without asking about the anti-gravity function of the internal oblique muscles.
