Liebensteiner M.C., Platzer H.P., Burtscher M., Hanser F., Raschner C. (2012): The effect of gender on force, muscle activity, and frontal plane knee alignment during maximum eccentric leg-press exercise. Knee Surg Sports Traumatol Arthrosc 20, 510–516. DOI 10.1007/s00167-011-1567-0.