36. Joints of the Foot Flashcards

1
Q

What structures support the transverse arch? (4)

A

Tendon of tibialis posterior
Tendon of fibularis longus
Adductor hallucis
Deep transverse metatarsal ligament

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2
Q

What bones contribute to the lateral longitudinal arch? (4)

A

Calcaneus
Cuboid
Metarsals 4 + 5

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3
Q

What bones contribute to the medial longitudinal arch? (9)

A
Calcaneus
Talus
Navicular
3 x Cuneiforms
Metatarsals 1 - 3
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4
Q

What muscles provide dynamic support to the longitudinal arch?

A

Intrinsic foot muscles
Flexor hallucis longus
Flexor digitorum longus

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5
Q

Which ligaments provide passive support to the longitudinal arch?

A

Plantar calcaneonavicular (spring)
Short plantar (calcaneocuboid)
Long plantar
Plantar aponeurosis

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6
Q

Name the 8 joints of the foot

A
Subtalar
Talonavicular
Calcaneocuboid
Cuneonavicular
Tarsometatarsal
Intermetatarsal
Metatarsophalangeal
Interphalangeal
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7
Q

What 2 joints function together to form the transverse (mid) tarsal joint?

A

Talonavicular

Calcaneocuboid

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8
Q

Structural classification of the subtalar joint?

A

Plane synovial

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9
Q

What ligaments surround the subtalar joint?

A

Medial
Lateral
Interosseous (strong)
Posterior talcocalcaneal ligaments

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10
Q

Function classification of the transverse (mid) tarsal joint?

A

Talocalcaneonavicular joint - talocalcaneal part = plane synovial, talonavicular = ball and socket

Calcaneocuboid joint = plane synovial

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11
Q

Which ligaments surround the midtarsal joint?

A
Bifurcate ligament
Dorsal calcaneocuboid 
Long plantar
Short plantar
Spring
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12
Q

What does the bifurcate ligament attach?

A

Calcaneus –>

Navicular and cuboid

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13
Q

What does the dorsal calcaneocuboid ligament attach?

A

Calcaneus –>

Cuboid

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14
Q

What does the long plantar ligament attach?

A

Calcaneus –>

Cuboid and metatarsals

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15
Q

What does the short plantar ligament attach?

A

Calcaneus –>

Cuboid

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16
Q

What does the spring ligament attach?

A

Calcaneus –>

Navicular

17
Q

Which joints of the foot permit inversion and eversion?

A

Subtalar
Talcocalcaneal part of talocalcaneonavicular

Augmented by midtarsal joint

18
Q

What bones articulate at the tarsometarsal joint?

A

Anterior tarsal bones (cuboid and 3x cuneiforms)

Bases of the metatarsals

19
Q

Functional classification of MTP joints?

A

Synovial condyloid

20
Q

Movements possible at MTP joints?

A

Flexion extension

Adduction abduction

21
Q

Functional classification of IP joints?

A

Synovial hinge

22
Q

Movements possible at IP joints?

A

Flexion extension