Every wrist and ankle of the human physique incorporates a construction known as the flexor retinaculum. A flexor retinaculum consists of a fibrous band of fascia, which is a sheet of dense connective tissue that covers or binds different physique buildings. The flexor retinaculum of the foot, also referred to as the laciniate ligament, covers the tendons of the flexor muscle groups of the ankle.
The particular tendons lined are the tibialis posterior, flexor digitorum longus, and flexor hallucis longus, which all assist to flex the foot in order that the toes level downward. The perform of the flexor retinaculum of the foot is to stop subluxation, or partial dislocation, of those tendons.
The flexor retinaculum of the foot additionally covers the posterior tibial artery and vein and the tibial nerve. Every of those buildings comes from the posterior (again) compartment of the leg, by the ankle, and into the only real of the foot. They cross by the flexor retinaculum instantly posterior to (behind) the medial malleolus, which is the community of nerve tissue and muscle that surrounds the ankle joint.