Briem, K., Eythorsdottir, H., Magnusdottir, R. G., Palmarsson, R., Runarsdottir, T., Sveinsson, T. Julkaisussa Journal of Orthopaedic & Sports Physical Therapy (2011)
Sefton, J. M., Yarar, C., Hicks-Little, C. A., Berry, J. W., Cordova, M. L. Julkaisussa Journal of Orthopaedic & Sports Physical Therapy (2011)