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

Figure 1 Analysis of the influence of ankle flexion and extension exercises on knee osteoarthritis patients’ psychological state. A: The research group had a postinterventional Self-Rating Depression Scale score that was lower than the preinterventional value and that of the control group; B: The research group had a postinterventional Self-Rating Anxiety Scale score that was lower than the preinterventional value and that of the control group. Note: ^aP < 0.05; ^bP < 0.01. SDS: Self-Rating Depression Scale; SAS: Self-Rating Anxiety Scale.