“…For instance, the high muscle force prevented the foot arch to collapse (Alessandra et al, 2009), and the length of hamstrings affected crouch gait (Ravera et al, 2010). Compared with the joint moments in several degrees of freedom, biased muscle attachment points in CP children did not change (Hainisch et al, 2012). However, these simulations did not consider the internal tissues of foot structure in models.…”