The Foot Flashcards
Which nerve provides cutaneous innervation to the anterior and medial leg and foot
Saphenous
Which nerve provides cutaneous innervation to the dorsal of the foot
superficial peroneal (fibular)
Which nerves provide cutaneous innervation to the bottom of the foot?
Lateral plantar and medial plantar (tibial), and calcaneal branches (on heel)
Extensor digitorum brevis AIOI
O: Dorsal surface of Calcaneous
I: Lateral sides of extensor digitorum longus of toes 2-4
A: Extend toes 2-4
Inn: Deep fibular n
Extensor Hallucis Brevis AIOI
O: Dorsal surface of calcaneus
I: Base of proximal phalanx of hallux
A: Extend hallux
Inn: Deep fibular n
What is inflammed in plantar fasciitis
Inflamation of plantar aponeurosis
Which nerve is implicated in plantar fasciitis
Medial calcaneal branch of tibial n
Abductor Hallucis OIAI
O: Medial calcaneus
I: Medial base of proximal phalynx
A:abduct and flex hallux
Inn: Medial plantar nerve
Flexor Digitorum Brevis AIOI
O: Medial tubercle of calcaneus
I: Middle phalanges of lateral 4 toes
A: Flex digits 2-5
Inn: Medial Plantar nerve
Abductor digiti minimi OIAI
O: Tubrcle of calcaneus
I: Lateral base of phalynx
A: Abduct and flex digit 5 (little toe)
Inn: Lateral plantar n
Lumbricals OIA
O: Tendons of Flexor digitorum longus
I: Medial side of dorsal tendon expansion
A: Flex MTP joints and extend IP joint of digits 2-5
Inn: 1st lumbrical- Medial plantar n. All others: Lateral plantar n
Quadratus Plantae AOI
O: Medial and lateral surface of calcaneus
I: Lateral side of FDL tendon
A: Flex digits 2-5 (assist FDL)
Inn: Lateral plantar n
Flexor Hallucis Brevis AIOI
O: Cuboid and lateral cuneiform
I: Proximal Phalanx
A: Flex MTP joint of hallux
Inn: Medial Plantar nerve
Adductor Hallucis AIOI
O: Transverse head: Plantar ligament of MTO joint
Oblique head: Metatarsals 2 and 4
I: Lateral side of proximal phalanx
A: Adduct and flex hallux
Inn: Lateral plantar n
Flexor Digiti Minimi brevis AIOI
O: Base 5th metatarsal
I: Base proximal phalanx
A: Flex digit 5 (lil toe) at MTP
Inn: Lateral plantar n
Plantar Interossei AIOI
O: Base of medial side of 3-5 (unipennate)
I: Medial side of phalanx 3-5
A: PAD- Plantar ADDuct and Flex
Inn: Lateral Plantar n
Dorsal Interossei AIOI
O: Metatarsals 1-5 (bipennate)
I: 1st on medial side, 2-4 on lateral side
A: DAB- Dorsal aBDuct and flex
Inn: Lateral plantar n
Which foot muscles are innervated by the Medial plantar nerve (S2-S3)
Abductor hallucis, Flexor Digitorum brevis, 1st lumbrical, Flexor Hallucis Brevis
(A Happy Frog Dances Fondly, First Hopping Backwards)
Deep plantar arch arises from what
Dorsalis pedis
What makes an anastemosis in the plantar of the foot
Anterior tibial and posterior tibial arteries
What kind of joint is the distal tibiofibular joint
syndesmosis
What type of joint is the ankle joint
Synovial hinge joint
Function of anterior talofibular ligament
resist anterior tranlsation of talus
Function of calcaneofibular ligament
resist inversion
