Compare the Force to Sitting in a Chair

The forces on the butt/backside are very small relative to the forces felt during sitting. To provide quick, demonstrative estimate: Even if someone did 2,000 lifts per day (assuming peak forces of 200 N and 3 seconds per lift), the force from the elastic bands on the butt would be less than the force experienced if someone just sat down in a chair for an hour.

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