Figure 3From: Lower extremity kinematics in children with and without flexible flatfoot: a comparative study Movement pattern of the knee joint. (A) Extension/flexion, (B) valgus/varus, and (C) internal/external rotation in children with (n = 20) and without (n = 10) flexible flatfoot during the stance phase (0-60% of the gait cycle) of comfortable walking. The standard deviations are shown in one direction.Back to article page