Muscles of the Feet Flashcards
Extensor Digitorum Brevis
O : Dorsal surface of the calcaneus
I : Lateral side of the extensor digitorum longus muscle of toes 2-4 via the dorsal digital expansion into the middle and distal phalanges
A : Extend toes 2-4 at the metatarsophalangeal, proximal interphalangeal and distal interphalangeal joints
Extensor Hallucis Brevis
O : Dorsal surface of the calcaneus
I : Dorsal surface of the base of the proximal phalanx of the 1st toe
A : Extends the 1st toe at the metatarsophalangeal joint
Abductor Hallucis
O : Tuberosity of the calcaneus, flexor retinaculum and plantar aponeurosis
I : Proximal phalanx of the 1st toe
A : Extends the 1st toe at the metatarsophalangeal joint
Abductor Digiti Minimi Pedis
O : Tuberosity of calcaneus and plantar aponeurosis
I : Lateral plantar side of the base of the proximal phalanx of the 5th
A : Abducts the 5th toe at the metatarsophalangeal joint
Flexor Digitorum Brevis
O : Tuberosity of calcaneus and the plantar aponeurosis
I : Medial and lateral sides of the middle phalanges of toes 2-5
A : Flex middle phalanges of toes 2-5