The plantar aponeurosis, also referred to as the plantar fascia, is a powerful layer of white fibrous tissue situated beneath the pores and skin on the only of the foot.
In the direction of the entrance of the foot, on the mid-metatarsal degree, it divides into 5 sections, every extending right into a toe and straddling the flexor tendons.
Laterally, it’s divided into three sections: the medial, the lateral, and the central. The central portion is crucial structurally and functionally, and is connected at its origin to the medial calcaneus (heel bone). The medial portion overlies the muscle tissue to the hallux (huge toe), whereas the lateral portion overlies muscle tissue to the little toe.
Throughout strolling, the plantar aponeurosis capabilities primarily throughout ‘heel rise’ to ‘toe off.’ It stabilizes the arch of the foot and permits flexion of the primary metatarsal, enabling the primary metatarsal to hold nearly all of the physique weight. It additionally supplies shock absorption when the foot hits the bottom.
Irritation or damage of the plantar aponeurosis (often called plantar fasciitis) is widespread in athletes and can trigger foot ache and should end in additional leg accidents if left untreated. The situation is handled with relaxation, ache relievers, or in excessive circumstances, extracorporeal shock wave remedy.