sacral index


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sa·cral in·dex

a ratio obtained by multiplying the greatest breadth of the sacrum by 100 and dividing by its length.

sacral index

The sacral breadth multiplied by 100 and divided by the sacral length.
See also: index
References in periodicals archive ?
Sacral index was measured by taking the breadth and length of individual sacrum with the help of Vernier Digital Caliper and adopting the method as demonstrated in Hrdlicka's Practical Anthropometry.
The sacral index (SI) is calculated with the formula:
Female has the greater sacral index than male (P < 0.