Анатомическая иерархия

Общая анатомия > Мышцы; мышечная система > Мышцы нижней конечности > Мышцы > Червеобразные мышцы



Origin: Tendons of flexor digitorum longus

Insertion: Medial aspect of extensor expansion over lateral four digits

Nerve: Plantar nerve

Action: Flex proximal phalanges and extend middle and distal phalanges of lateral four digits

The Lumbricales are four small muscles, accessory to the tendons of the Flexor digitorum longus and numbered from the medial side of the foot; they arise from these tendons, as far back as their angles of division, each springing from two tendons, except the first. The muscles end in tendons, which pass forward on the medial sides of the four lesser toes, and are inserted into the expansions of the tendons of the Extensor digitorum longus on the dorsal surfaces of the first phalanges.

Variations.—Absence of one or more; doubling of the third or fourth. Insertion partly or wholly into the first phalanges.

This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).


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