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zFunctional Anatomy > Movement of the Ankle > Flashcards

Movement of the Ankle Flashcards

1
Q

What are the three sections of the talus?

A

head, neck, body

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2
Q

What are the three components of the ankle joints?

A

trochlea of talus, medial malleolus, lateral malleolus

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3
Q

What is the proper name of the ankle joint?

A

tarocrural joint

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4
Q

What type of joint is the tarocrural joint?

A

hinge synovial

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5
Q

What is pes valgus?

A

pronation, rolling in

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6
Q

What is pes varus?

A

supination, rolling out

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7
Q

Where does the talus fit in the ankle joint?

A

fits loosely into malleolar mortise formed by distal ends of tibia and fibula

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8
Q

What are the lateral ligaments of the ankle?

A

anterior talofibular ligament, calcaneofibular ligament, posterior talofibular ligament

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9
Q

What are the medial (deltoid) ligaments of the ankle?

A

anterior tibiotalar part, posterior tibiotalar part, tibionavicular part, tibiocalcaneal part

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10
Q

What are the tibiofibular joints?

A

proximal tibiofibular joint (plane)

distal tibiofibular joint (syndesmosis/fibrous)

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11
Q

What are the superficial posterior muscles of the leg?

A

gastrocnemus, soleus, plantaris

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12
Q

What are the deep posterior muscles of the leg?

A

popliteus, tibialis posterior, flexor digitorum longus, flexor hallucus longus

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13
Q

What are the anterior muscles of the leg?

A

tibialis anterior, extensor digitorum longus, extensor hallucis longus, fibularis tertius

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14
Q

What are the lateral muscles of the leg?

A

fibularis longus, fibularis brevis

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15
Q

Gastrocnemius

A

P: lateral: lateral aspect of lateral condyle of femur. Medial: popliteal surface of femur, superior to medial condyle
D: calcaneal tendon - posterior surface of calcaneus
Action: knee flexion, ankle plantarflexion
Innervation: tibial nerve

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16
Q

Solues

A

P: posterior aspect of head of fibula, soleal line, middle 1/3 medial border of tibia
D: calcaneal tendon - posterior surface of calcaneus
Action: ankle plantarflexion
Innervation: tibial nerve

17
Q

Plantartis

A

P: lateral supracondylar line of femur
D: calcaneal tendon - posterior surface of calcaneus
Action: weak plantarlexor
Innervation: tibial nerve

18
Q

Popliteus

A

P: lateral surface of lateral condyles of femur
D: posterior surface of tibia, superior to soleal line
Action: unlocks knee
Innervation: tibial nerve

19
Q

Popliteal fossa

A

endangerment site
medial border of biceps femoris, lateral borders of semitendinosus + semimembranosus, lateral border of medial head of gastrocnemium, medial border of lateral head of gastrocnemius and plantaris

20
Q

Tibialis posterior

A

P: IOM, posterior surface of tibia inferior to soleal line and posterior surface of fibula
D: tuberosity of navicular and across the plantar surface of the foot to the base of 2nd-4th metatarsals
Action: ankle plantarflexion and inversion
Innervation: tibial nerve

21
Q

Flexor digitorum longus

A

P: medial part of posterior surface of tibia, inferior to soleal line
D: plantar surface of base of distal phalanges of lateral 4 digits
Action: flexion of lateral 4 digits and ankle plantarflexion
Innervation: tibial nerve

22
Q

Flexor hallucis longus

A

P: inferior 2/3 of posterior surface of fibula, inferior IOM
D: plantar surface of base of distal phalanx of hallux
Action: flexion of hallux, weak ankle plantarflexion
Innervation: tibial nerve

23
Q

Tibialis anterior

A

P: inferior anterior surface of fibula and IOM
D: dorsum of distal phalanx of hallux
Action: ankle dorsiflexion and hallux extension
Innervation: deep fibular nerve

24
Q

Extensor digitorum longus

A

P: lateral condyle of tibia, superior surface of fibula and IOM
D: dorsum of middle and distal phalanges 2-5
Action: ankle dorsiflexion and extension of digits 2-5
Innervation: deep fibular nerve

25
Q

Fibularis tertius

A

P: inferior anterior surface of fibular and IOM
D: dorsum of base of 5th metatarsal
Action: ankle dorsiflexion, eversion
Innervation: deep fibular nerve

26
Q

Fibularis longus

A

P: head and superior 2/3 of lateral surface of fibula
D: plantar surface of base of 1st metatarsal and medial cuneiform
Action: ankle eversion and plantarflexion
Innervation: superficial fibular nerve

27
Q

Fibularis brevis

A

P: inferior 2/3 lateral surface of fobula
D: lateral surface of base of 5th metatarsal
Action: ankle eversion, plantarflexion
Innervation: superficial fibular nerve

zFunctional Anatomy (10 decks)

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