OIA on Feet Flashcards
extensor hallucis brevis origin
dorsal surface of calcaneus
extensor hallucis brevis insertion
base of proximal phalanx of hallux (dorsal surface)
extensor hallucis brevis action
extension of hallux
extensor hallucis brevis innervation
deep fibular
extensor digitorum brevis origin
dorsal surface of anterolateral calcaneus
extensor digitorum brevis insertion
base of middle phalanx of digits 2-4 (on lateral side of extensor digitorum longus tendons)
extensor digitorum brevis action
extension of digits 2-4
extensor digitorum brevis innervation
deep fibular (peroneal)
abductor hallucis origin
- medial process of calcaneal tuberosity
2. plantar aponeurosis
abductor hallucis insertion
base of proximal phalanx of hallux (medial side)
abductor hallucis action
flexion and abduction of hallux
abductor hallucis innervation
medial plantar
flexor digitorum brevis origin
- medial process of calcaneal tuberosity (anterior aspect)
2. plantar aponeurosis
flexor digitorum brevis insertion
splits to attach on both sides of the middle phalanx of digits 2-5
flexor digitorum brevis action
flexion of digits 2-5
flexor digitorum brevis innervation
medial plantar
abductor digiti minimi origin
lateral process of calcaneal tuberosity
plantar aponeurosis
abductor digiti minimi insertion
base of proximal phalanx of 5th digit (lateral side)
abductor digit minimi action
abudction of 5th digit
assists in flexion of 5th digit at MTP joint