Thickness of the Plantar Fascia in Stretched and Relaxed Positions in Patients With Plantar Fasciopathy

Inclusion Criteria: * History of plantar heel pain of at least 3 months * Clinical presentation of pain and/or tenderness to palpation in the area of the medial tubercle of the calcaneus * Average intensity of pain in the previous week equal to or greater than 3 on an 11-point visual analog scale (VAS) * Thickness of symptomatic plantar fascia of 4 mm or greater Exclusion Criteria: * Age under 18 * Pregnancy * History of systemic disease with manifestations similar to those of plantar fasciopathy * Pain medication in the last 24 hours * Steroid injection for plantar fasciopathy in the previous 6 months * Previous heel surgery or fracture of the lower leg or foot