Anatomy 4.3 Flashcards
What causes a lateral ankle sprain?
Inversion
What causes a medial ankle sprain?
Eversion (less common)
What is the most common ligament injured in the ankle?
Anterior talofibular ligament
What is the least common ankle injured in the ankle?
Posterior talofibular ligament
How is stability of the ankle joint assessed?
Anterior translation
Inversion and Eversion
How can we assess the integrity of the tibiofibular joints?
Compression
External rotation
What movements occur at the subtalar joint?
Pronation and supination
What are the main ligaments that support the subtalar joint?
Tibiocalcaneal ligament
Calcaneofibular ligament
Talocalcaneal interosseus ligament
Cervical ligament
What ligaments provide support to the transverse tarsal joint?
Long plantar ligament
Plantar calcaneonavicular ligament
Tibionavicular ligament
Short plantar ligament
What type of joint is the inferior tibialfibular joint?
Fibrous Syndesmosis
What articulates with the inferior tibiofibular joint?
Medial surface of the inferior end of the fibula articulates with a facet on the inferior end of the tibia
What ligaments are associated with the inferior tibiofibular joint?
Interosseous tibiofibular ligament
Anterior and posterior tibiofibular ligaments
Inferior transverse tibiofibular ligament
What type of joint is the ankle joint?
Hinge synovial
What does the ankle joint articulate with?
Inferior surface forms the roof of the malleolar mortise transferring the body’s weight to the talus
Medial malleolus articulates with medial surface of the trochlea of the talus
What are the lateral ligaments of the ankle joint?
Anterior talofibular ligament
Posterior talofibular ligament
Calcaneofibular ligament
What are the medial ligaments of the ankle joint?
Tibionavicular
Tibiocalcaneal
Anterior and posterior tibiotalar
(All make up the medial deltoid ligament)
What is movement in the ankle joint?
Dorsiflexion
Plantarflexion
What type of joint is the subtalar joint?
Plane synovial
What are the articulating surfaces of the subtalar joint?
Inferior surface of body of talus (posterior calcaneal articular facet) with superior surface of calcaneus (posterior talar articular surface)
What are the ligaments associated with the subtalar joints?
Medial, lateral, and posterior talocalcaneal ligaments
Interosseous talocalcaneal ligament
What is the movement of the subtalar joint?
Inversion and Eversion
What is the blood supply to the subtalar joint?
Posterior tibial and fibular arteries
What is the nerve supply to the subtalar joint?
Plantar aspect- medial or lateral plantar nerve
Dorsal aspect- deep fibular nerve
What type of joint is the talocalcaneonavicular joint?
Synovial ball and socket
What are the articulating surfaces of the talocalcaneonavicular joint?
Head of talus articulates with calcaneus and navicular bones
What are the ligaments associated with the talocalcaneonavicular joint?
Plantar calcaneonavicular ligament
What are the movements in the talocalcaneonavicular joint?
Gliding and rotary movements
What is the blood supply in the talocalcaneonavicular joint?
Anterior tibial artery via lateral tarsal artery
What is the nerve supply of the talocalcaneonavicular joint?
Plantar aspect- medial or lateral plantar nerve
Dorsal aspect- deep fibular nerve
What type of joint is the calcaneocuboid joint?
Plane synovial
What are the articulating surfaces of the calcaneocuboid joint?
Anterior end of calcaneus articulates with posterior surface of cuboid
What are the ligaments associated with calcaneocuboid joint?
Dorsal calcaneocuboid ligament
Plantar calcaneocuboid ligament
Long plantar ligaments
What is the movement in the calcaneocuboid joint?
Inversion and Eversion
What is the blood supply in the calcaneocuboid joint?
Anterior tibial artery via lateral tarsal artery
What is the nerve supply of the calcaneocuboid joint?
Plantar aspect- medial or lateral plantar nerve
Dorsal aspect- deep fibular nerve
What does the cuneonavicular joint articulate with?
Anterior navicular articulates with posterior surfaces of cuneiforms
What are the ligaments associated with the cuneonavicular joint?
Dorsal and plantar cuneonavicular ligaments
What is the movement in the cuneonavicular ligament?
No movement
What is the blood supply in the cuneonavicular joint?
Anterior tibial artery via lateral tarsal artery
What is the nerve supply in the cuneonavicular joint?
Plantar aspect- medial or lateral plantar nerve
Dorsal aspect- deep fibular nerve
What are the articulating surfaces of the tarsometatarsal joint?
Anterior tarsal bones articulate with bases of metatarsal bones
What are the ligaments associated with the tarsometatarsal joint?
Dorsal, plantar, and Interosseous tarsometatarsal ligaments
What movement occurs in the tarsometatarsal joint?
Sliding or gliding
What is the blood supply in the tarsometatarsal joint?
Anterior tibial artery via lateral tarsal artery
What is the nerve supply in the tarsometatarsal joint?
Deep fibular
Medial and lateral plantar nerves
Sural nerve
What type of joint is the intermetatarsal joint?
Plane synovial
What does the intermetatarsal joint articulate with?
Based of metatarsal bones articulate with each other
What ligaments are associated with the intermetatarsal joint?
Dorsal, plantar, Interosseous intermetatarsal ligaments
What movement occurs in the intermetatarsal joint?
No movement
What is the blood supply of the intermetatarsal joint?
Lateral metatarsal artery
What is the nerve supply in the intermetatarsal joint?
Digital nerves
What type of joint is the metatarsophalangeal joint?
Condyloid synovial
What articulates with the metatarsophalangeal joint?
Heads of metatarsal bones articulate with bases of proximal phalanges
What are ligaments associated with metatarsophalangeal joint?
Collateral ligaments
Plantar ligaments
What movement occurs in the metatarsophalangeal joint?
Flexion and extension
Some abduction and adduction
What is the blood supply in the metatarsophalangeal joint?
Lateral metatarsal artery
What is the nerve supply in the metatarsophalangeal joint?
Digital nerve
What type of joint is the interphalangeal joint?
Hinge synovial
What does the interphalangeal joint articulate with?
Head of one phalanx articulates with base of one distal to it
What ligaments are associated with the interphalangeal joint?
Collateral and plantar ligaments
What movement occurs in the interphalangeal joint?
Flexion and extension
What is the blood supply in the interphalangeal joint?
Digital branches of plantar arch
What is the nerve supply in the interphalangeal joint?
Digital nerves