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. 2023 Sep 28;13(5):1182–1195. doi: 10.3390/clinpract13050106

Figure 2.

Figure 2

(A) The plantar fascia and the longitudinal arch of the foot form a truss. (B) Dorsiflexion of the toes during the late stance phase of gait tensions the plantar fascia around the metatarsal heads leading to an increase in the height and stability of the longitudinal arch of the foot “Windlass” mechanism. Source: Reprinted from Latt L.D.; Jaffe, D.E.; Tang, Y. Evaluation and Treatment of Chronic Plantar Fasciitis. Foot Ankle Orthop. 2020 [9] (SAGE Open access licensed under CC BY-NC-SA 4.0, no permission required).