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Reference: (Research Study for taking PMSv)
Cummings GS, Higbie EJ 1997. A weight bearing method for determining forefoot posting for orthotic fabrication. Physio Research Intern, Vol 2(1):42-50.
Primus Metatarsus Supinatus Values (PMSv)
Linked to Embryological Foot Types
"The weightbearing technique under investigation in this study was developed by Brian Rothbart, in an attempt to provide a more functional measure of the forefoot for orthotic prescription (Rothbart, 1994)." Cummings and Higbie, Page 43