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ANAT 314 Material > Leg And Foot > Flashcards

Leg And Foot Flashcards

1
Q

What type of joint is the talocrural joint?

A

Synovial hinge

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2
Q

What are the movements of the talocrural joint?

A

Plantarflexion and dorsiflexion

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3
Q

What are the two collateral ligaments of the ankle joint?

A

Medial and lateral collateral ligaments

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4
Q

What types of joints are the following?
a) Talonavicular joint
b) Calcaneocuboid joint

A

a) Ball-and-socket
b) Plane/gliding

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5
Q

What are the movements of the synovial joints at the foot?

A

Flexion/extension (MTP, DIP, PIP) and abduction/adduction (MTP)

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6
Q

What are the subtalar joints?

A

Middle and anterior talocalcaneal joints (plane/gliding) and anatomic subtalar joint (gliding/plane)

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7
Q

What are the movements at the subtalar joint complex?

A

Eversion/inversion

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8
Q

What are the muscles of the anterior leg?

A

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

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9
Q

What are the functions of the anterior muscles?

A

Extensor hallucis longus - extension of hallux MTP and IP
Extensor digitorum longus - extension of toe
Tibialis anterior - inversion
Fibularis tertius - eversion

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10
Q

What are the nerve and blood vessels of the anterior muscles?

A

Deep fibular nerve and anterior tibial a,/v,

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11
Q

What are the muscles of the lateral compartment?

A

Fibularis longus and fibularis brevis

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12
Q

What are the functions of fibularis longus and brevis?

A

Plantarflexion and eversion

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13
Q

What are the nerve and blood vessels of the lateral compartment?

A

Superficial fibular nerve and branches of fibular a./v.

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14
Q

What are the muscles of the posterior leg?

A

Gastrocnemius, soleus and plantaris

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15
Q

What are the functions of the superficial posterior muscles?

A

Gastrocnemius - Knee flexion and plantarflexion
Soleus - Plantarflexion
Plantaris - Plantarflexion

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16
Q

What is the neurovasculature of the superficial posterior leg?

A

None

17
Q

What are the muscles of the deep posterior leg?

A

Tibialis posterior, flexor digitorum longus and flexor hallucis longus

18
Q

What are the functions of the deep posterior muscles?

A

FDL - plantarflexion and toe flexion
FHL - plantarflexion and flexion of hallux IP
TP - plantarflexion

19
Q

What is the neurovasculature of the deep posterior leg?

A

Posterior tibial a./v., fibular artery and tibial nerve

20
Q

What are the arches of the foot?

A

Medial longitudinal, lateral longitudinal and transverse arch

21
Q

What are the arch functions?

A

Load absorption, increased rigidity for propulsion

22
Q

What are the soft tissues of the arches of the foot?

A

Longitudinal - spring ligament, long and short plantar ligament
Transverse - tendon of tibialis posterior and fibularis longus

23
Q

What are the intrinsic muscles of the dorsum of the foot?

A

Extensor digitorum brevis and extensor hallucis brevis

24
Q

What are the functions of the intrinsic muscles at the dorsum of the foot?

A

EDB - extension of MTP and PIP
EHB - extension of hallux MTP

25
Q

What is in the 1st and 2nd layer of plantar muscles?

A

Flexor digitorum brevis, abductor digiti minimi, abductor hallucis, lumbricals, quadratus plantae

26
Q

What is the 3rd layer of plantar muscles?

A

Flexor hallucis brevis, adductor hallucis, flexor digiti minimi brevis

27
Q

What are the plantar muscles of the 4th layer?

A

Plantar interossei, dorsal interossei (tendon of fibularis longus and posterior tibialis)

28
Q

What gives motor innervation to the posterior compartment of the leg?

A

Tibial nerve

29
Q

What gives motor innervation to the plantar muscles?

A

Lateral and medial plantar nerve

30
Q

What gives sensory innervation to the foot?

A

Lateral and medial plantar nerve

31
Q

What gives motor innervation to the dorsum of the foot?

A

Deep fibular nerve

32
Q

What gives sensory innervation to the leg and foot?

A

Leg - sural nerves
Foot - Tibial, superficial fibular and deep fibular nerve

33
Q

What are the blood vessels of the foot?

A

Dorsum - dorsalis pedis a. and arcuate arch
Sole - lateral and medial plantar aa.

34
Q

What is found in the tarsal tunnel? (TDAVNH)

A

Tibialis posterior tendon, flexor digitorum longus tendon, posterior tibial a., posterior tibial v., tibial nerve, flexor hallucis longus tendon

ANAT 314 Material (24 decks)

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