Fig. 1From: Lateral wedges with and without custom arch support for people with medial knee osteoarthritis and pronated feet: an exploratory randomized crossover studyIntervention insoles. Left: the lateral wedge only condition consisted of a sulcus-length 5-degree lateral wedge. Right: the lateral wedge plus custom foot arch support involved the 5-degree sulcus-length lateral wedge built into a negative of the volumetric cast that provided the support across the entire footBack to article page