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Humans can perform defecation in a number of different postures. The two most common are the squatting and sitting position. The squatting posture is used for Japanese toilets and in squat toilets. The sitting defecation posture is used in Western toilets, with a lean-forward position or a 90-degrees posture. The squatting position is commonly
used in the absence of toilets and other devices. The type of posture chosen by an individual may affect certain medical conditions and urination. Articles have been written promoting the squat method, indicating that sitting can cause too much internal pressure. However, the sitting method helps protect privacy and leaves little or no chance of getting fecal matter on your clothes or ankles.
The sitting method may feel more comfortable and can minimize strain in thighs, calves, ankles and the lower back. The sitting posture is less common in the developing world. Toilet seats are a recent development, only coming into widespread use in the nineteenth century. The sitting posture causes the defecating human to assume a narrow rectal angle.Some people believe this is obstructive and can cause difficulty for the person in emptying their bowels. Critics of the sitting posture say that squatting is “the only natural defecation posture”. The squatting position is also known as the “Catcher’s Position” because of its similarity to the posture of a baseball player. Surgeon Denis Burkitt has suggested that the squatting defecating posture can prevent colorectal cancer.
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