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Foot Anatomy

Quadratus Plantae Muscle Anatomy: Origin, Insertion, Action, Innervation

The quadratus plantae muscle is found on the bottom of the foot.

Quadratus Plantae Anatomy Study: Origin, Insertion, Action and Innervation Origin: Lateral head: attaches to the lateral side of the calcaneus and to the long plantar ligament Medial Head: attaches to the medial surface of the calcaneus Insertion: Attaches into the dorsal and plantar surface of the tendons of the flexor digitorum longus. Action: Assists Flexor…

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Abductor Hallucis Muscle Anatomy: Origin, Insertion, Action, Innervation

The abductor Hallucis attaches the heel bone to a bone of the big toe.

Abductor Hallucis Anatomy Study: Origin, Insertion, Action and Innervation Origin: Flexor retinaculum, the medial process of the calcaneal tuberosity, the plantar aponeurosis, and the intermuscular septum between it and flexor digitorum brevis Insertion: Medial side of the base of the proximal phalanx of the great toe, with some of its fibers attaching more proximally to…

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Adductor Hallucis Muscle Anatomy: Origin, Insertion, Action, Innervation

The Adductor Hallucis Muscle is found on the bottom of the foot .

Adductor Hallucis Muscle Anatomy Study: Origin, Insertion, Action and Innervation Origin: Oblique head: base of the second to fourth metatarsals and from the fibrous sheath of the tendon of the peroneus longus. Transverse head: plantar metatarsal ligaments and deep transverse ligaments. Insertion: Lateral side of the base of the proximal phalanx of the great toe and…

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Extensor Digitorum Brevis Muscle Anatomy: Origin, Insertion, Action, Innervation

Extensor Digitorum Brevis Muscle Anatomy Study Origin: Anterior, superolateral surface of the calcaneus, in front of the lateral groove for peroneus brevis, from the interosseous talocalcaneal ligament, and from the stem of the inferior extensor retinaculum. Insertion: Lateral sides of the tendons of extensor digitorum longus for the second, third, and fourth toes. Action: Extension of the four…

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