Relationships of peak leg power, 1 maximal repetition half back squat, and leg muscle volume to 5-m sprint performance of junior soccer players - Chelly, M; Chérif, N; Ben Amar, M; Hermassi, S; Fathloun, M; Bouhlel, E; Tabka, Z; Shephard, R (J Strength Cond Res, 2010)