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Wu, Ge1; Siegler, Sorin2; Allard, Paul3; Kirtley, Chris4; Leardini, Alberto5; Rosenbaum, Dieter6; Whittle, Mike7; D'Lima, Darryl D.8; Cristofolini, Luca9; Witte, Hartmut10; Schmid, Oskar11; Stokes, Ian12
ISB recommendation on definitions of joint coordinate system of various joints for the reporting of human joint motion, I:​ ankle, hip, and spine
J Biomech. 2002;​35(4):​543-548