%0 Journal Article %J Human Movement %@ 1899-1955 %V 21 %N 1 %D 2020 %F Grambow2020 %T Serve efficiency developments at Wimbledon between 2002 and 2015: a longitudinal approach to impact tomorrow’s tennis practice %A Grambow, Ralph %A O’Shannessy, Craig %A Born, Philipp %A Meffert, Dominik %A Vogt, Tobias %P 65-72 %9 journal article %R 10.5114/hm.2020.88155 %U http://dx.doi.org/10.5114/hm.2020.88155