Foot and Ankle Anatomy Flashcards

1
Q

Nerve injury that leads to weakness and foot drop

A

Peroneal nerve injury

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2
Q

Loss of longitudinal arch of foot

A

Pes planus

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3
Q

Common site for swelling of joints in gout

A

1st MTP joint

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4
Q

Largest tarsal bone in the body

A

Calcaneus

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5
Q

Facet of calcaneus that is most involved in fractures

A

Posterior facet

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6
Q

Borders of ankle mortise

A

Superior: tibia (plafond)
Medial: medial malleolus (tibia)
Lateral: Lateral malleolus (fibula)

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7
Q

Part of the talus where most of the blood supply enters

A

Neck of the talus

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8
Q

Part of the talus covered by articular cartilage

A

Body/trochlea of the talus

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9
Q

Part of the talus often fractured by snowboarders

A

lateral process of the talus

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10
Q

Muscle that inserts on the tuberosity of navicular

A

posterior tibialis

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11
Q

Disease characterized by osteonecrosis of navicular

A

Kohler’s disease

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12
Q

Most lateral tarsal bone

A

Cuboid

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13
Q

Borders of tarsal tunnel

A

posterior medial malleolus, medial walls of calcaneus and talus, flexor retinaculum

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14
Q

Contents of tarsal tunnel

A

Tendons (TP, FDL, FHL), posterior tibial artery, tibial nerve

Tarsal tunnel - Tibial

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15
Q

Eponym for tarsometatarsal fractures/dislocations

A

Lisfranc fracture/dislocation

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16
Q

Ligament that serves as the primary support of the ankle

A

Distal tibiofibular ligament

17
Q

What type of joints are the tarsometatarsal, metatarsophalangeal, and interphalangeal joints?

A

TM: Gliding
MTP: Condyloid
IP: Hinge (ginglymus)

18
Q

Defined as heel strike of one foot to heel strike of the opposite foot

A

Step

19
Q

Defined as heel strike of one foot to subsequent heel strike of the same foot

A

Stride

20
Q

Layers of the foot

A

Plantar fascia
I: 3 muscles (Abductor hallucis, flexor digitorum brevis, abductor digiti minimi)
II: 2 muscles (quadratus, lumbricals) 2 tendons (FHL, FDL)
III: 3 muscles Flexor hallucis brevis, adductor hallucis, flexor digiti minimi brevis
IV: 2 muscles (plantar interossei, dorsal interossei) 2 tendons PL and PT

21
Q

Interossei in the feet that adduct toes

A

Plantar interossei

PAD Plantar adduct

22
Q

Interossei in the feet that abduct toes

A

Dorsal interossei

DAB Dorsal abduct

23
Q

Continuation of anterior tibial artery in the foot

A

Dorsalis pedis artery

24
Q

Terminal branches of posterior tibial artery

A

Lateral plantar and medial plantar artery

25
Q

Branch of the posterior tibial artery that terminates as the deep plantar arch

A

Lateral plantar artery

26
Q

Branch of the dorsalis pedis artery that supplies the distal tip of the toe

A

Proper plantar digital artery (versus dorsal digital artery that does not reach the tip of the toe)

27
Q

1 musculoskeletal injury

A

Ankle sprain

28
Q

Lesser toe defomity where there is metatarsophalageal joint hyperextension, associated with neurologic disease

A

Claw toe deformity

29
Q

Lesser toe deformity characterized by fixed flexion of the proximal interphalangeal koint and dorsal callus. MTPJ and DIPJ are both extended.

A

Hammertoe deformity

30
Q

Lesser toe deformity characterized by flexion of DIPJ

A

Mallet toe deformity

31
Q

4 different deformities that characterize clubfoot (talipes equinovarus)

A
CAVE
Cavus midfoot
forefoot Adductus
Subtalar Varus
hindfoot Equinus
32
Q

Most common pediatric foot disorder

A

metatarsus adductus

33
Q

Veins draining to great saphenous and small saphenous vein

A

Great saphenous - dorsal vein of big toe and dorsal venous arch of the foot

Small saphenous - dorsal vein of little toe and dorsal venous arch of the foot

34
Q

Nerve that runs alongside great saphenous vein anterior to medial malleolus

A

Saphenous nerve

35
Q

Nerve that runs alongside small saphenous vein posterior to lateral malleolus

A

Sural nerve

36
Q

Structures that run posterior to medial malleolus

A
Flexor hallucis longus tendon
Flexor digitorum longus tendon
Tibial posterior tendon
Posterior tibial artery
Tibial nerve
37
Q

Articulation of the talus and calcaneus, where inversion and eversion occurs

A

Subtalar joint

38
Q

Two joints that comprise the transverse tarsal or Chopart joint

A

Talonavicular and calcaneocuboid

39
Q

This fracture is also called the lover’s fracture, occurring when a person jumps from a great height, associated with lumbar vertebrae and neck of the femur

A

calcaneus