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73 Cards in this Set

  • Front
  • Back
What type of joint is the ankle joint?
Hinge or ginglymus type of synovial joint
What four structures form the socket of the ankle joint?
1. Tibia
2.Fibula
3.Anterior inferior tibiofibular ligament
4.Inferior transverse ligament
Name the 3 ligaments associated with the distal tibiofibular joint
1. Interosseous tibiofibular ligament
2. Anterior inferior tibiofibular ligament
3. Posterior inferior tibiofibular ligament
what shape is the anterior inferior tibiofibular ligament?
Triangular
What shape is the posterior inferior tibiofibular ligament?
Quadrilateral
What is another name for the deep fibers of the posterior inferior tibiofibular ligament?
Inferior transverse ligament
List the four ligaments that comprise the deltoid ligament (medial collateral ligament)
1. Anterior tibiotalar ligament
2. Posterior tibiotalar ligament
3. Tibiocalcaneal ligament
4. Tibionavicular ligament
Which one of the deltoid ligament lies deep? What does it lie deep to?
Anterior tibiotalar.
It lies deep to the tibionavicular ligament
What is the Superior attachment of all four deltoid ligaments
Anterior surface (colliculus), apex, and posteioir surface (colliculus) of medial malleolus
Where does the anterior tibiotalar ligament insert?
Medial surface of the talus
Where does the posterior tibiotalar ligament insert? What does it help form?
Medial tubercle of the posterior process of talus.
It helps form the groove for the flexor hallucis longus.
Where does the tibiocalcaneal ligament insert?
Sustentaculum Tali
Where does the tibionavicular ligament insert? What other ligament does it blend with? Which other deltoid ligament does it overlie?
Tuberosity of the navicular.
It blends with the spring ligament.
It overlies the anterior tibiotalar ligament
Which of the deltoid ligaments is the strongest?
Tibiocalcaneal
Which of the deltoid ligaments is the weakest?
Tibionavicular
The tendons of two muscle lie superficial to the deltoid ligament, name them.
1. Tibialis posterior
2. Flexor digitorum longus
Name the three ligaments that make up the lateral collateral ligament
1. Calcaneofibular
2. Anteroir talofibular
3. Posterior talofibular
Describe the attachments of the calcaneofibular ligament. It is covered by two tendons, name them.
Apex of the lateral malleolus extending to an unnamed tubercle on the lateral surface of the calcaneus.
It is covered by the tendons of the peroneus longus and peroneus brevis
Describe the attachment of the anterior talofibular ligament
Anteroir margin of lateral malleolus to the neck of the talus.
It overhangs the tarsal sinus.
Describe the attachment of the posterior talofibular ligament
Its fibers course horizontally between the lateral malleolar fossa and the lateral tubercle of the posterior surface of the talus.
Which is the weakest of the 3 lateral collateral ligaments?
Calcaneofibular
What is unique about the anterior talofibular ligament?
Most commonly injured during inversion ankle sprain and it is the shortest of the lateral collaterals.
What is unique about the posterior talofibular ligament?
It is the deepest and strongest of the lateral collaterals.
It also helps form the groover for the flexor hallucis longus
Describe the fibulotalocalcaneal ligament
It attaches to the lateral malleolar fossa, the lateral tubercle of the posterior process of the talus, and the dorsal surface of the posterior third of the talus.
It helps to form the tunnel for the flexor hallucis longus
Describe the variation of the fibulotalocalcaneal ligament
60% well defined
20% poorly defined
20% replaced by deep fascia
List the four intertarsal joints
1. Talocalcanela
2. Talocalcaneonavicular
3. Calcaneocuboid
4. Great tarsal
What type of joint is the subtalar joint (talocalcaneal)?
Gliding or plane type
List the 5 ligaments of the talocalcaneal joint
1. Medial talocalcanel
2. Lateral talocalcaneal
3. Anterior talocalcaneal
4. Posterior talocalcaneal
5. Interosseous talocalcaneal
Describe the attachment of the medial talocalcaneal ligament. What other structures does its fibers blend with?
Medial tubercle of talus to posterior aspect of sustentaculum tali, it blends with the deltoid ligament which lies superficial and the interosseous talocalcaneal which lies deep.
Describe the attachment of hte lateral talocalcaneal ligament
Extends between the lateral tubercule of talus and the dorsal surface of posterior third of calcaneus
Describe the attachment of the lateral talocalcaneal ligament
Lateral surface of talus beneath fibular facet to the lateral surface of the calcaneus anterior and superior to the attachment of the calcaneofibular ligament
Describe the attachment of the interosseous talocalcanela ligament
Lies within the tarsal canal, courses obliquely from sulcus tali to slucus calcanei
Describe the attachment of the anterior talocalcaneal ligament
It attaches to the neck of the talus. Thus it is called the cervical ligament
What does the anterior talocalcaneal ligament (cervical) do?
Helps check over inversion.
List the four ligaments that help make up the talocalcaneonavicular joint
1. Interosseous talocalcaneal
2. Dorsal talonavicular ligament
3. Calcaneonavicular part of the bifurcate ligament
4. Spring ligament
Describe the attachment of the dorsal talonavicular ligament
Neck of talus to dorsal surface of navicular
Name the two parts of the bifurcate ligament
1. Calcaneocuboid
2. Calcaneonavicular
Describe the attachment of the calcaneonavicular portion of the bifurcate ligament
The stem blends with the cervical ligament at the tarsal sinus it passes anteromedially to attach to the dorsal srface of the navicular.
Describe the attachment of the calcaneocuboid portion of the bifurcate ligament
The stem blends with the cervical ligament at the tarsal sinus then courses anterolaterlally to the medial surface of the cuboid
Describe the attachment of the plantar calcaneonavicular (spring) ligament
Anterior surface of sustentaculum tali to the plantar surface of navicular and the navicular tuberosity
What other structues is the spring ligament in contact with? why?
Tibionavicular and tibocalcaneal ligaments and the tendon of the tibialis posterior. They help strengthen and support the spring ligament.
What is the function of the spring ligament?
It is very strong, it suppolrts the head of the talus. This maintains the medial longitudinal arch of the foot.
What happens is the spring ligament is stretched?
The medial longitudinal arch flattens
What type of joint is the calcaneocuboid?
Saddle type of synovial joint
Name the 5 ligaments that are part of the calcaneocuboid joint
1. Calcaneocuboid part of bifurcate
2. Long plantar
3. Plantar calcaneocuboid (short)
4. Dorsal calcaneocuboid
5. Lateral calcaneocuboid (variable)
Describe the attachment of the long plantar ligament
The medial and lateral processes of the calcaneal tuberosity and the depression between. It splits into superficial and deep fibers. Deep fibers attach to the peroneal ridge, Superficial fibers course over and attach to bases of mets 2, 3, and 4, and sometimes 5
What is unique about the long plantar ligament?
Longest ligament of foot
Describe the attachment of the plantar calcaneocuboid ligament
Anterior tubercle of calcaneus to the cuboid just posterior to the peroneal ridge and beak of the coronoid process
What is the purpose of the short and long plantar ligaments?
To support the lateral longitudinal arch of the foot
List the 3 classes of joints that the great tarsal joint consists of
1. Intertarsal
2. Tarsometatarsal
3. Intermetatarsal
Which bones participate in the great tarsal joint?
All tarsal bones but talus and calcaneus and mets 2, 3, and 4
A single articular capsule surrounds all of the bones involved.
What are the two variations in articulations of the great tarsal joint?
1. The articulation between the 3rd and 4th met is not part of the great tarsal joint in some feet
2. The cuboid and navicular articulate within the great tarsal joint in some feet.
How many functional intertarsal joints are there?
Two
1.Functional subtalar
2. Transverse talar
What is the functional subtalar joing comprised of?
Anatomical subtalar joint
Talocalcaneal portion of talocalcaneonavicular joint
What comprises the transverse tarsal joint, also known as the midtarsal joint?
Calcaneocuboid joint
Talonavicular portion of talocalcaneonavicular joint
Which functional joints does the talocalcaneonavicular joint participate in
Both the subtalar and transverse tarsal
Which functional joint does the great tarsal joint participate in?
None
Which two bones are anterior to the transverse tarsal joint?Which are posterior?
Anterior-Cuboid and navicular
Posterior-Talus and Calcaneus
Name the three joint cavities for the tarsometatarsal articulations
1. Medial tarsometatarsal joint
2. Great tarsal joint
3. Lateral tarsometatarsal joint
What Structures do the plantar tarsometatarsal ligaments blend with?
1. Long plantar ligament
2. Tendon of tibialis posterior
How many interosseous tarsometatarsal ligaments are there?
Three
1. Second met-medial cuneiform is Lisfranc's
2. Sedond met-lateral cuneiform
3. Fourth met lateral cuneiform
What is the functional tarsometatarsal joint?
Lisfranc's joint
It refers to all three antomical joints. Medial and lateral tarsometatarsal and the great tarsal
How many ligaments support the articulation between two metatarsals?
Three
Planter intermetatarsal
Dorsal intermetatarsal
Interosseous intermetatarsal
The heads of all 5 metatarsals are united by what ligament?
Deep transverse metatarsal ligament Also known as intercapitular ligament
Which muscle structures does the deep transverse metatarsal ligament separate?
Lumbricals which pass plantarly and interosei which pass dorsally.
What four ligaments do all the 5 MP joints have
1. Articular capsule
2. Medial collateral ligament
3. Lateral collateral ligament
4. Glenoid ligament
T or F there are dorsal MP ligaments?
False
What are glenoid ligaments?
Plantar MP ligaments
What is plantar plate?
Each glenoid ligament contains a cartilagenous pad adhered tightly to the base of the phalanges
What percentage of the population has two IP joints in the fifth toe?
60%
In 40 % the the middle and distal phalanges of the fifth toe are fused, so there is only one IP joint
What type of joints are MP joints?
Ellipsoid
What type of joints are IP joints?
Hinge
What four ligaments do IP joints share?
1. Articular capsule
2. Medial collateral ligament
3. Lateral collateral ligament
4. Plantar interphalangeal ligament