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Lower limbs > Lower leg joints > Flashcards

Lower leg joints Flashcards

1
Q

What is the membrane that connects the tibia and the fibula?

A

The interosseus membrane.

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2
Q

What are the apertures of the interossues membrane?

A

The superior and inferior aperture.

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3
Q

What is the line of definition for abduction and adduction for the toes.

A

The second digit.

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4
Q

What does the ankle joint consist of?

A

The talus, tibia, and fibula.

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5
Q

What is the roof, medial, and lateral aspect of the socket created in the knee joints?

A

Roof: tibia
Medial: medial malleolus of the tibia
Lateral: lateral malleolus of the fibula

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6
Q

In which position is the ankle joint more stable?

A

Dorsoflexion since the articular surface of the talus is wider anteriorly.

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7
Q

What strengthens the ankle joint?

A

Medial (deltoid) and lateral ligaments.

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8
Q

What is the division of the medial ligament of the ankle?

A

The tibionavicular, tibiocalcaneal, posterior and anterior tibiotalar ligaments.

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9
Q

What does the tibionavicular ligament originate from?

A

The medial malleolus

All medial ligaments originate from the medial malleolus.

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10
Q

What does the tibionavicular ligament attach to?

A

The navicular tuberosity and the spring ligament.

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11
Q

What does the tibiocalcaneal ligament attach to?

A

The sustentaculum tali.

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12
Q

What is the origin of the tibiocalcaneal ligament?

A

The medial malleolus.

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13
Q

What does the posterior tibiotalar ligament attach to?

A

The medial tubercle of the talus.

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14
Q

What does the anterior tibiotalar ligament attach to?

A

Medial surface of the talus.

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15
Q

True or false?

The anterior tibiotalar ligament is the outermost ligament!

A

False, it is located deep to the tibionavicular and tibiocalcaneal parts of the deltoid ligament.

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16
Q

What are the 3 lateral ligaments?

A

The anterior talofibular ligament, the posterior talofibular ligament, and the talocalcaneal ligament.

17
Q

What forms the subtalar joint?

A

The posterior facet of:
1) the inferior of the talus.
2) the superior of the calcaneus.

18
Q

Why is the subtalar joint considered a joint and not just a space?

A

It has both a synovial and fibrous membrane.

19
Q

What does the subtalar joint support?

A

Gliding and rotation.

GR IE? (read: geer ye?), seolah-olah dia ini joint padahal aslie kita ngira ngga. (it sound retarded)

20
Q

What ligaments support the subtalar joint?

A

The lateral, medial, posterior, and interosseus talocalcaneal ligaments supports the joint.

LMP - IO

21
Q

What is a complex joint involved in the foot?

A

The talocalcaneonavicular joint.

22
Q

What forms the talocalcaneonavicular joint?

A

The anterior and middle facets of the:
1. Inferior talus
2. Superior calcaneus

23
Q

What is the supported movement of TCN joint?

A

Gliding and rotation.

Involved in inversion, eversion, supination, and pronation.

24
Q

What reinforces the talocalcaneonavicular joint?

A

1) Superiorly by the interosseus talonavicular ligament
2) Inferiorly by the calcaneonavicular (spring) ligament.
3) Posteriorly by the talocalcaneal ligament.
4) Laterally by the bifurcate ligament (calcaneocuboid and calcaneonavicular ligament).

25
Q

What forms the calcaneocuboid joint?

A

The anterior calcaneal facet and the posterior cuboid facet.

26
Q

What movement is supported by the calcaneocuboid joint?

A

Sliding and rotation.

SR IE (read: sorry ye) involved with inversion and eversion.

27
Q

What ligament strengthens the calcaneocuboid joint?

A

The bifurcate ligament, the long plantar ligament, the short plantar ligament (calcaneocuboid).

28
Q

What is the origin of the long plantar ligament?

A

In between the calcaneal tuberosity and tubercle.

29
Q

What is the attachment of the long plantar ligament?

A

Inferior surface of navicular tubercle.

Behind the fibularis longus tendon.

30
Q

True or false?

The tarsometatarsal joint of the great toe and the medial cuneiform allows for greater motion than other joints.

A

Yes, particularly flexion, extension, and rotation.

31
Q
A
32
Q

What does the metatarsophalangeal joint allow?

A

Extension, flexion, limited adduction, abduction, rotation, and circumduction.

33
Q

What is a bunion?

A

A significant bone protrubance signifying the tarsometatarsal joint.

34
Q

What are some bunion disorders?

A

Hallux valgus (thumb), Tailor’s bunion (little), dorsal bunion.

35
Q

What are the ligaments that connect the dorsal aspect of metatarsals?

A

Deep transverse metatarsal ligaments.

Lower limbs (28 decks)

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