Maximum horizontal distance across the hips
in the sitting position.
Applications:
Clearance at seat level;
the width of a seat should be not much less than this.
Corrections:
10mm for light clothing;
25mm for medium clothing; 50mm for heavy outdoor clothing.
Note:
This is a dimension with a substantial soft tissue component. In studies
of physique, etc., the bony dimension bicristal breadth is generally
used (measured between the lateral edges of the crests of the hip
bones).
