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Anatomy Exam 4 > Foot Joints > Flashcards

Foot Joints Flashcards

1
Q

What forms the arch of the foot?

A

Tarsal and metatarsal bones of the foot

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2
Q

What do the arches of the foot do?

A
  1. Add to weigh bearing resilience
  2. Shock absorption
  3. Propel the lower limb during walking
  4. Provide a spring in bodies step
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3
Q

What are the 3 arches of the foot?

A
  1. Medial longitudinal arch
  2. Lateral longitudinal arch
  3. Transverse arch
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4
Q

What does the medial longitudinal arch consist of?

A
  1. Calcaneus
  2. Talus
  3. navicular
  4. Three cuneiforms
  5. three medial metatarsals
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5
Q

Describe the medial longitudinal arch

A
  1. Higher and more important than the lateral longitudinal arch
  2. Supported by the spring (calcaneonavicular) ligament and the plantar aponeurosis
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6
Q

What does the lateral longitudinal arch consist of?

A
  1. Calcaneus
  2. cuboid
  3. Lateral 2 metatarsals
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7
Q

Describe the lateral longitudinal arch

A
  1. Flatter
  2. Rests on ground while standing- disappears in a way
  3. Supported by long plantar ligament, short plantar ligament, and plantar aponeurosis
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8
Q

What forms the transverse arch?

A
  1. Cuboid
  2. Three cuneiforms
  3. Bases of all the metatarsals
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9
Q

What are the bones of the ankle joint?

A
  1. Trochlea of talus
  2. Tibia
  3. Fibula
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10
Q

What are the ligaments of the ankle joint?

A
  1. Deltoid ligament

2. Lateral ligament

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11
Q

Describe the deltoid ligament

A

Located on medial side of the joint with 4 bands

  1. Anterior tibiotalar
  2. posterior tibiotalar
  3. Tibionavicular
  4. Tibiocalcaneal
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12
Q

Describe the lateral ligament

A

Located on the lateral side of the ankle joint with 3 bands

  1. Anterior talofibular
  2. Posterior talofibular
  3. Calcaneofibular
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13
Q

What are the actions of the ankle joint?

A
  1. Dorsiflexion

2. Plantar flexion

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14
Q

What is a subtalar joint?

A
  1. Plane type of synovial joint
  2. Talus rests on the calcaneus
  3. Permits inversion and eversion
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15
Q

What is a tarsometatarsal joint?

A
  1. Plane type of synovial joint

2. Four anterior tarsal bones with the bases of the metatarsals

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16
Q

What is an intermetatarsal joint?

A
  1. Plane type of synovial joint
  2. Permits slight gliding movements
  3. Articulation between the bases of the metatarsals
17
Q

What is a metatarsal phalangeal joint?

A
  1. Condyloid type of synovial joints
  2. Permits flexion, extension, abduction, adduction and rotation
  3. Articulation between the heads of the metatarsals and the bases of the proximal phalanges
18
Q

What is an interphalangeal joint?

A
  1. Hinge type of synovial joint

2. Permits flexion and extension

19
Q

What happens in an ankle spring

A

-Lateral ligaments get damaged typically
Extensive inversion cause in most cases
-Ankle joint is the most frequently injured major joint
-Usually an inversion injury - causing damage to the lateral ligaments

20
Q

What is a Potts fracture?

A
  1. When foot forcefully everted

2. It often results in fracture of the medial and lateral malleoli, and fibula

Anatomy Exam 4 (8 decks)

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