Regularly sitting on the floor and changing positions (legs extended, crossed, or kneeling) is a simple and effective way to maintain joint mobility and functional independence over the long term.

noli's read

The idea that the ability to transition from the floor to a standing position (sitting-rising test) is an indicator of longevity is supported by observational studies, notably research published in the European Journal of Preventive Cardiology, which associates low scores with increased mortality. The mechanism relies on the maintenance of muscle strength, balance, and flexibility, which are key components of functional health. The argument regarding 'floor cultures' is an interesting anthropological observation, though difficult to isolate scientifically from other lifestyle factors. It is scientifically grounded to state that varying one's postures engages the joints more than prolonged sitting in a chair, promoting a better range of motion. This advice presents no notable risk for a healthy person and encourages gentle, accessible physical activity. It is a logical prevention approach, even if the specific benefits for joint 'stiffness' would merit further isolated clinical studies.

the sources

No named source held this one up — that absence is part of the verdict.