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. Author manuscript; available in PMC: 2014 Mar 26.
Published in final edited form as: Clin Biomech (Bristol). 2012 Nov 10;28(1):98–103. doi: 10.1016/j.clinbiomech.2012.10.006

Figure 4. PFJF and tibial shear experienced by a typical subject during jerking and catching.

Figure 4

(PFJF = patellofemoral joint reaction force; AS = anterior shear; PS = posterior shear; GRF = ground reaction force)