Plantar Surface of Foot Flashcards
Name the tarsal bones
- Talus
- Calcaneus
- Navicular
- Cuboid
- Medial, intermediate and lateral cuneiforms
What bones form the hindfoot
Calcaneus and talus
What bones form the midfoot
Cuboid, navicular and the cuneiforms
Where does the plantar aponeurosis extend from and to
The calcaneus distally to the fibrous digital sheaths (splits into 5)
Anatomically, how many layers are there in the plantar surface of the foot
4
How many muscles are associated with the plantar surface of the foot
14
Name the muscles of the first layer
- Abductor hallucis
- Flexor digitorum brevis
- Abductor digiti minimi
Where does the abductor hallucis extend from and to
Medial tubercle of calcaneus and the flexor retinaculum to the medial base of the proximal phalynx
Where does the flexor digitorum brevis extend from and to
Medial tubercle of the calcaneus to the middle phalanges of the lateral 4 toes
Where does the abductor digiti minimi extend from and to
Medial and lateral tubercles of the calcaneus to the lateral base of proximal phalynx
Name the muscles of the second layer
- Lumbricals (x4)
2. Quadratus plantae
What flexor tendons are located within the second layer
Flexor digitorum longus and flexor hallcuis longus
Where do the lumbrical muscles extend from and to
The tendons of FDL to the medial side of the dorsal tendon expansion
Where does the quadratus plantae extend from and to
The medial and lateral surfaces of the calcaneus to the lateral side of the FDL tendon
Name the muscles of the third layer
- Flexor hallucis brevis
- Adductor hallucis
- Flexor digiti minimi brevis
