Reference
Bahr, R., Fossan, B., Løken, S., & Engebretsen, L. (2006). Surgical treatment compared with eccentric training for patellar tendinopathy (jumper’s knee): a randomized, controlled trial. JBJS, 88(8), 1689-1698.
Fulkerson, J. P. (2002). Diagnosis and treatment of patients with patellofemoral pain. The American journal of sports medicine, 30(3), 447-456.
Ireland, M. L., Willson, J. D., Ballantyne, B. T., & Davis, I. M. (2003). Hip strength in females with and without patellofemoral pain. Journal of orthopaedic & sports physical therapy, 33(11), 671-676.
Lian, Ø. B., Engebretsen, L., & Bahr, R. (2005). Prevalence of jumper’s knee among elite athletes from different sports: a cross-sectional study. The American journal of sports medicine, 33(4), 561-567.
Witvrouw, E., Lysens, R., Bellemans, J., Cambier, D., & Vanderstraeten, G. (2000). Intrinsic risk factors for the development of anterior knee pain in an athletic population: a two-year prospective study. The American journal of sports medicine, 28(4), 480-489.
Reilly, D.T., Martens, M. (1972). Experimental analysis of the quadriceps muscle force and patello-femoral joint reaction force for various activities. Acta Orthopaedica Scandinavica,43(2), 126-137.
Hartmann, H., Wirth, K. & Klusemann, M. Analysis of the Load on the Knee Joint and Vertebral Column with Changes in Squatting Depth and Weight Load. (2013) Sports Medicine,43(10), 993–1008.
Fekete, G., Csizmadia, B.M., Wahab, MA, De Baets, P., Vanegas-useche, L.V., & Biro, I. (2014) Patellofemoral model of the knee joint under non-standard squatting. DYNA,81(183), 60-67.