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Newell, Robyn S.1,2,3; Blouin, Jean-Sébastien4,5,6; Street, John2,3,7; Cripton, Peter A.1,2,3; Siegmund, Gunter P.4,7
Neck posture and muscle activity are different when upside down:​ a human volunteer study
J Biomech. November 15, 2013;​46(16):​2837-2843