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The muscle passes under the superior and inferior extensor retinaculum of foot in company with the fibularis tertius, and divides into four slips, which run forward on the dorsum of the foot, and are inserted into the second and third phalanges of the four lesser toes.
The phalanges of the foot differ from the hand in that they are often shorter and more compressed, especially in the proximal phalanges, those closest to the torso. [3] A phalanx is named according to whether it is proximal, middle, or distal and its associated finger or toe. The proximal phalanges are those that are closest to the hand or foot.
Proximal phalanges and extensor tendons of the 4 lateral toes: Artery: Medial and lateral plantar arteries: Nerve: Medial and lateral plantar nerves (S3) Actions: Flexes metatarsophalangeal joints, extends interphalangeal joints: Identifiers; Latin: musculus lumbricalis pedis: TA98: A04.7.02.069: TA2: 2685: FMA: 37453: Anatomical terms of muscle
The interphalangeal joints of the foot are the joints between the phalanx bones of the toes in the feet. Since the great toe only has two phalanx bones ( proximal and distal phalanges), it only has one interphalangeal joint, which is often abbreviated as the " IP joint ".
The foot (pl.: feet) is an anatomical structure found in many vertebrates.It is the terminal portion of a limb which bears weight and allows locomotion.In many animals with feet, the foot is a separate [clarification needed] organ at the terminal part of the leg made up of one or more segments or bones, generally including claws and/or nails.
The two heads of each muscle form a central tendon which passes forwards deep to the deep transverse metatarsal ligament. [1] The tendons are inserted on the bases of the second, third, and fourth proximal phalanges [2] and into the aponeurosis of the tendons of the extensor digitorum longus [3] without attaching to the extensor hoods of the toes.
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.
Anatomical diagrams illustrating the components of the plantar fascia. Dissection of the plantar aponeurosis: LP, lateral part; CP, central part; MP, medial part; L, length; W, width. Five central part plantar aponeurosis bundles. The plantar fascia is the thick central portion of the fascia investing the plantar muscles.