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One of the many causes of constipation is the faulty position the body assumes during the time of defecation.
To complete the act more successfully, it is desirable to bring the abdominal muscles into play, producing pressure on the colon and intestine, and forcing the fecal matter into the rectum. Such an accumulation may evacuate itself more forcibly, as a result of the bulk, and the stimulation of the rectal nerves governing the evacuation.
The majority of those persons whose occupations compel them to remain sitting the most of the day, as bookkeepers, coachmen, chauffeurs, various officials, students, many artisans, and also obese persons who take little or no exercise, find no difference between the seat ordinarily occupied during the day's activities, and the seat of the lavatory chamber. Figure 1 shows the position of the body on the ordinary lavatory seat. While in this condition the abdominal viscera remain
THE PRACTICABILITY OF THE MODIFICATION OF THE LAVATORY CHAMBER. JAMA. 1918;70(20):1457. doi:10.1001/jama.1918.26010200003009b