Fig. 4
Percent change in tibiofemoral cartilage thickness and volume after different activities. 1Run pooled meta-analysis sourced from previously published systematic review [10], CI Confidence interval, Fr Froude number (calculated from walking velocity [m/s], lower limb length [m, floor to the greater trochanter], and the gravitational constant [9.81, in m/s2] and Fr = 0.25 (1.48 ± 0.05 m/s) represents comfortable walking pace for adults, hr hour, km kilometres, m metres, min minutes, NR not reported, rep repetitions, s seconds, SL single leg