A new clinical assessment test for functional load transfer: the Stork Test on the support side for pelvic girdle dysfunction

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Clinical indicators of pelvic girdle dysfunction are limited. However, research has shown that the pattern of intrapelvic motion is altered during single-leg support in subjects with pelvic girdle pain (PGP).
Functionally, no relative motion should occur within the pelvis during load transfer, whereas anterior rotation of the innominate bone relative to the sacrum occurs during weight bearing in the presence of PGP.

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