Kim YS, Park J, Hsu J et al. Effects of training frequency on lumbar extension strength in patients recovering from lumbar discectomy. J Rehabil Med 2010; 42: 839–845.
Bonetti F, Curti S, Mattioli S, Mugnai R, Vanti C, Violante FS, Pillastrini P.
Effectiveness of a 'Global Postural Reeducation' program for persistent Low Back Pain: a non-randomised controlled trial. BMC Musculoskelet Disord. 2010 Dec 16;11(1):285. [Epub ahead of print]
Kuni B, Schiltenwolf M. Multimodale Rückenschmerztherapie – der trainingswissenschaftliche Aspekt. Deutsche Zeitschrift für Sportmedizin Jahrgang 60, Nr. 2 (2009): 50-54
Sjolie AN, Ljunggren AE. The Significance of High Lumbar Mobility and Low Lumbar Strength for Current and Future Low Back Pain In Adolescents. Spine 2001; 26(23):2629-2636.