Clinical value of ankle flexion and extension exercises combined with a psychological intervention in knee osteoarthritis

Figure 4 Analysis of the impact of ankle flexion and extension exercises on knee osteoarthritis patients’ pain and fatigue. A: The research group had a postinterventional Visual Analog Scale score that was lower than the preinterventional value and that of the control group; B: The research group had a postinterventional MFI score that was lower than the preinterventional value and that of the control group. ^aP < 0.05; ^bP < 0.01. VAS: Visual Analog Scale; MFI: Multidimensional Fatigue Inventory.