To crunch or not to crunch : an evidence-based examination of spinal flexion exercises, their potential risks, and their applicability to program design

von Contreras, Bret (Autor), ... Schoenfeld, Brad Jon (Autor)
Erschienen in Strength and conditioning journal, 33 (2011), 4, S. 8-18, Lit.

Barbell hip thrust

von Contreras, Bret (Autor), ... Cronin, John B. (Autor), Schoenfeld, Brad Jon (Autor)
Erschienen in Strength and conditioning journal, 33 (2011), 5, S. 58-61, Lit.