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1330/2222 Human Anatomy > Unit 4 Ankle > Flashcards

Unit 4 Ankle Flashcards

1
Q

Ankle Mortise

A
  • U shape
  • Formed by tibia & fibula
  • Ankle articulation
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2
Q

Tarsal Articulation

A
  • Navicular
  • Talus
  • Calcaneus
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3
Q

Joints

A
  • Distal tibiofibular
  • Talocrural
  • Subtalar
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4
Q

Joints Function

A
  • Full ROM of ankle
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5
Q

Distal Tibiofibular Joint

A
  • Distal aspect of tibia & fibula
  • Maintain rigid shape of ankle mortise
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6
Q

Distal Tibiofibular Characteristics

A
  • Tight syndesmosis
  • Fibrous
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7
Q

Distal Tibiofibular Ligaments

A
  • Anterior & posterior tibiofibular
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8
Q

Talocrural Joint

A
  • Talus & ankle mortise
  • Dorsi & plantar flexion
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9
Q

Lateral Crural Ligaments

A
  • Anterior & posterior talofibular
  • Calcaneofibular
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10
Q

Median Crural Ligaments

A
  • Deltoid
  • Calcaneonavicular
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11
Q

Subtalar Joint

A
  • Underneath talus
  • Talus, calcaneus, navicular
  • Inversion & eversion
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12
Q

Subtalar Compartments

A
  • Talocalcaneonavicular (anterior)
  • Talocalcaneal (posterior)
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13
Q

Subtalar Compartment Division

A
  • Interosseous talocalcaneal ligament
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14
Q

Subtalar Ligaments

A
  • Interosseous talocalcaneal
  • Medial talocalcaneal
  • Lateral talocalcaneal
  • Anterior talocalcaneal (cervical)
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15
Q

Interosseous Membrane Function

A
  • Joins tibia (medial) & fibula (lateral)
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16
Q

High Ankle Sprain

A
  • Tearing of anterior/posterior tibiofibular ligaments
  • With fibular fracture
  • Pain upon dorsiflexion
17
Q

High Ankle Sprain Cause

A
  • Lateral rotation of foot
18
Q

Inversion Sprain

A
  • Ligaments stressed while foot inverted
  • Anterior talofibular ligament
  • Anterior calcaneofibular ligament
19
Q

Grade 1 Inversion Sprain

A
  • Stretching/slight tear
  • Mild tenderness
  • Swelling & stiffness
20
Q

Grade 2 Inversion Sprain

A
  • Incomplete tear
  • Moderate pain
  • Swelling & stiffness
21
Q

Grade 3 Inversion Sprain

A
  • Complete tear
  • Severe swelling
  • Bruising & instability
22
Q

Avulsion Fracture

A
  • Base of 5th metatarsal
  • Alongside eversion sprain
  • Peroneus brevis pulls base of 5th
23
Q

Avulsion Fracture Symptoms

A
  • Pain on lateral aspect
  • Significant swelling
24
Q

Ankle Flexor Muscles

A
  • Tibialis posterior
  • Flexor digitorum longus
  • Flexor hallucis longus
  • gastrocnemii plantaris soleus
  • peroneus brevis & longus
25
Q

Ankle Extensor Muscles

A
  • Tibialis posterior
  • Extensor digitorum longus
  • Extensor digitorum brevis
26
Q

Achilles Flexors

A
  • Gastrocnemii plantaris soleus
  • Medial & lateral

1330/2222 Human Anatomy (32 decks)

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