Foot and Ankle Flashcards
What kind of joint is the ankle joint?
Hinge joint
What structures make up the ankle joint?
Distal end of the tibia, medial malleolus of the tibia, lateral malleolus of the fibula, and the talus bone
What is the most commonly sprained joint?
Ankle joint
What are the tarsal bones?
Talus, Calcaneus, Navicular, 1st, 2nd, 3rd cuneiforms, and cuboid
What is the bony projection on the medial side of the calcaneus bone which forms a groove for the flexor hallucis longus tendon?
Sustentaculum tali
What is the small trochlea on the lateral aspect of calcaneus bone that forms a place for peroneus longus and brevs tendonds to run?
Peroneal trochlea
What is the distal attachement of the fibularis brevis m.?
Tuberosity of the 5th metatarsal
What is the distal attachment of the fibularis tertius m?
Base of the 5th metatarsal
What is the distal attachment of the extensor hallucis longus m.?
Distal phalanx
What is the distal attachment of the extensor hallucis brevis m.?
Proximal phalanx
Tibialis anterior and posterior mm. both have distal attachments where?
Cuneiform bone
Do any of the anterior muscles of the leg move the knee joint?
No
Do any muscles of the lateral compartment of the leg cross the knee joint?
No
What intrinsic muscles of the foot are found on the dorsum?
Extensor Hallucis Brevis and Extensor Digitorum Brevis mm.
What are the actions of the extensor hallucis brevis and extensor digitorum brevis mm.?
Extension of the toes
What innervates the extensor hallucis brevis and extensor digitorum brevis mm.?
Deep fibular n.
What innervates most of the skin on the dorsum of the foot?
Superficial fibular n.