Answer
The plantar aponeurosis supports the longitudinal arch and encloses the flexor tendons of the foot (397).
Work Step by Step
The plantar aponeurosis is a connective tissue fascia located between the ventral flexor muscles of the foot and the skin. It spreads from the calcaneum to the bases of the toes. Several ventral foot muscles--flexor digitorum brevis, abductor digiti minimi, abductor hallucis etc., originate in the plantar aponeurosis.