Toe Joint Flashcards
Flexor Digitorum Brevis
O: medial process of calc tuberosity
I: middle phalanges of toes 2-5
A: flexion of middle phalanges of toes 2-5
N: medial plantar nerve
Flexor Hallucis Brevis
O: cuboid, lat cuneiform, tendon of post tib
I: med and lateral sides of proximal phalanx of 1st toe
A: flexion of 1st toe prox phalanx
N: medial plantar nerve
Flexor Digiti Minimi brevis
O: base of 5th metatarsal
I: base of prox phalanx 5
A: flex 5th prox phalanx
N: lateral plantar nerve
Quadratus Plantae
O: med & lat sides of plant surface to calcaneous, distal to tuberosity
I: lateral and posterior margin of flex dig long tendon
A: flexion of toes 2-5 (pulls flex dig long tendon)
N: lateral plantar nerve
Lumbricals
O: flexor digitorum longus tendon splits
I: expansions of ext tendons of toes 2-5
A: flex MTP
N: 1- medial plantar nerve, 2-4 lateral plantar nerve
Extensor Digitorum Brevis
O: dorsal surface of calcaneus
I: middle and distal phalanges of toes 2-4 (with ext dig long tendon)
A: ext toes 2-4
N: deep fibular nerve
Extensor Hallucis Brevis
O: dorsal surface of calcaneus
I: base of prox phalanx 1st toe
A: ext 1st toe
N: deep fibular nerve
Abductor Hallucis
O: medial process of calcaneal tuberosity, flexor retinaculum
I: proximal phalanx of 1st toe, lateral side of posterior surface
A: flexion and abd of 1st toe at MTP joint
N: medial plantar nerve
Abductor Digiti Minimi
O: lateral process of calcaneal tuberosity
I: proximal phalanx of 5th toe, lateral side
A: ABD 5th toe
N: lateral plantar nerve
Dorsal Interossei
O: adjacent sides of metatarsals
I: 1st to medial side of second toe, 2-4 to lateral side of toes 2-4
A: ABD toes 1,3,4,5
N: lateral plantar nerve
Adductor Hallucis (2 heads)
O: Oblique - bases of MTs 2-4; Transverse - capsules of MTP jts 3-5
I: base of prox phalanx 1st toe
A: ADD and flex 1st toe
N: lateral plantar nerve
Plantar Interossei
O: medial side of metatarsals
I: medial side of proximal phalanges 3-5
A: ADD toes 1,3,4,5
N: lateral plantar nerve
