Sitting is a basic human resting position. The body weight is supported primarily by the buttocks in contact with the ground or a horizontal object such as a chair seat. The torso is more or less upright. Sitting for much of the day may pose significant health risks, and people who sit regularly for prolonged periods have higher mortality rates than those who do not. The form of kneeling where the thighs are near horizontal and the buttocks rest on the heels, for example as in Seiza and Vajrasana (yoga), is also often interpreted as sitting.

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