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The three plantar interosseous muscles are unipennate, as opposed to the bipennate structure of dorsal interosseous muscles, and originate on a single metatarsal bone.The three muscles originate on the medial aspect of metatarsals III-V.
The interosseous muscles of the foot are muscles found near the metatarsal bones that help to control the toes. They are considered voluntary muscles. They are generally divided into two sets: 4 Dorsal interossei - Abduct the digits away from the 2nd digit (away from axial line) and are bipennate.
First, second, and third muscle layers, and the dorsal and plantar interossei The intrinsic muscles in the sole are grouped in four layers: In the first layer, the flexor digitorum brevis is the large central muscle located immediately above the plantar aponeurosis.
Plantar interossei; Other. eyeball. Superior rectus muscle; Inferior rectus muscle; Medial rectus muscle; jaw (muscles of mastication, the closing of the jaw is ...
Plantar interossei muscles; Dorsal interossei muscles of the foot. Plantar interossei muscles This page was last edited on 21 January 2024, at 05:13 (UTC). Text is ...
The quadratus plantae arises with two slips from margins of the plantar surface of the calcaneus and is inserted into the tendon(s) of the flexor digitorum longus, and is known as the "plantar head" of this latter muscle. The three plantar interossei arise with their single heads on the medial side of the third-fifth metatarsals and are ...
Flexor digitorum brevis flexes the middle phalanges. It is occasionally absent. Between the toes, the dorsal and plantar interossei stretch from the metatarsals to the proximal phalanges of digits two to five. The plantar interossei adduct and the dorsal interossei abduct these digits, and are also plantar flexors at the metatarsophalangeal ...
The transverse arch is strengthened by the interosseous, plantar, and dorsal ligaments, by the short muscles of the first and fifth toes (especially the transverse head of the adductor hallucis), and by the fibularis longus, whose tendon stretches across between the piers of the arches. [1]