foot Flashcards
What bones make up hind foot
Calcaneus and talus
What bones make up mid foot
cuboid, navicular, cuneiform
What bones make up forefoot
phalanges and metatarsals
Saphenous nerve
supplies skin over medial side of foot as far as 1st metatarsal
lateral dorsal cutaneous nerve
continuation of sural nerve into the foot
superficial peroneal nerve
supply skin of the medial part of the dorsum of the foot
deep peroneal nerve
supplies skin between 1st and 2nd toes
Extensor digitorum brevis
ONLY INTRINSIC MUSCLE OF THE DORSUM OF FOOT
- extends toes 2-4
medial calcaneal branch of tibial nerve
supply the heal area
medial plantar nerve
supplies skin of medial 3.5 digits
Lateral plantar nerve
supplies later 1.5 digits
Flexor retinaculum
thickening of plantar fascia
Plantar aponeurosis
- central part of plantar fascia
- very THICK and STRONG longitudinally arranged fibers
- SUPPORTS LONGITUDINAL ARCHES OF FOOT
- prevents injury
- extends from calcaneus to the toes
Medial plantar nerve
- larger than lateral plantar nerve
- LOCATED BETWEEN 1st and 2nd layers (deep to abductor hallucis brevis
- SUPPLIES CUTANEOUS BRANCH TO 3.5 digits
What muscles does Medial plantar nerve supply
- abductor hallucis
- flexor digitorum brevis
- flexor hallucis brevis
- 1st lumbrical