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Creighton Anatomy > Posterior Leg, Ankle, & Foot > Flashcards

Posterior Leg, Ankle, & Foot Flashcards

(53 cards)

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1
Q

Tarsal Bones

A

Cuneiforms
Cuboid
Navicular
Calcaneus
Talus

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2
Q

3 Cuneiforms

A

Medial
Intermediate
Lateral

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3
Q

1st, 2nd, & 3rd Rays

A

Phalanges
Metatarsal
Cuneiform

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4
Q

4th & 5th Rays

A

Phalanges
Metatarsal

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5
Q

Sesamoid Bones of Foot

A

Le in the tendons of the flexor hallicus brevis

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6
Q

Talocrural Joint

A

Hinge joint
Motions: plantarflexion & dorsiflexion

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7
Q

Subtalar Joint

A

Plane joint
Motions: pronation & supination

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8
Q

Inferior Tibio-fibular Joint

A

Basically no movement

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9
Q

Lis Franc Joint Complex

A

tarsometarsal joints between 1st cuneiform & 1st metatarsal; 2nd cuneiform & 2nd metatarsal

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10
Q

Transverse Tarsal Joints

A

Calacaneocuboid - plane synovial
Talocalcaneonavicular - ball & socket

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11
Q

Subtalar Joints

A

Talus and Calcaneus
Plane synovial
Inversion & eversion

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12
Q

Tarsometatarsal Joint

A

Plane type synovial
Gliding & sliding

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13
Q

Intermetatarsal Joint

A

Plane type synovial
Little movement

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14
Q

Metatarsophalangeal Joint

A

Condyloid type synovial
Flexion/extension, abduction/adduction, circumduction

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15
Q

Interphalangeal Joint

A

Hinge type joint
Flexion & extension

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16
Q

Lateral Ankle Ligaments

A

Anterior Talofibular
Posterior talofibular
Calcaneofibular

Resist ankle inversion

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17
Q

Medial Ankle Ligaments (deltoid)

A

Anterior Tibiotalar
Tibionavicular
Tibiocalcaneal
Posterior Tibiotalar

Resist ankle eversion

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18
Q

Inferior Ankle Ligaments

A

Anterior Inferior Tibiofibular
Posterior Inferior Tibiofibular

Minimal to No Movement

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19
Q

Plantar Calcaneonavicular Ligament

A

Medial Foot
“Spring Ligament”
Supports medial longitudinal arch of foot

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20
Q

Bifurcate Ligament

A

Lateral Foot
Dorsal calcaneocuboid & calcaneonavicular
Support lateral longitudinal arch of foot

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21
Q

Plantar Fascia (aponeurosis)

A

Attachments: medial tubercle of calcaneus; 5 metatarsal heads and navicular

Action: Supports medial and lateral arches of foot

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22
Q

3 arches of Foot & Purpose

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A

Medial
Lateral
Transverse

Shock absorption of foot

23
Q

Sagittal Plane Motions

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A

Dorsiflexion: 15-20 degrees
Plantarflexion: 50 degrees

24
Q

Frontal Plane Motions

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A

Eversion: 5-15 degrees
Inversion: 20-30 degrees

25
Supination of ankle
plantar flexion, inversion, & adduction
26
Pronation of ankle
dorsiflexion, eversion, & abduction
27
Deep Posterior Compartment of Leg
Tibialis Posterior Flexor Digitorum Longus Flexor Hallucis Longus
28
Tibialis Posterior
Attachments: interosseous membrane, posterior surface of tibia and fibula; tuberosity of navicular, cuneiform & cuboid, bases of 2nd, 3rd, & 4th metarsals Innervation: Tibial Actions: inversion, medial arch support, assist in plantar flexion
29
Flexor Digitorum Longus
Attachments: medial posterior tibia inferior; base of distal phalanges of later four digits Innervation: Tibial Actions: Flex lesser toes, medial arch support, assist in plantar flexion
30
Flexor Hallicus Longus
Attachments: Inferior 2/3 of posterior surface of fibula and inferior interosseous membrane; base of distal phalanx of great toe Innervation: Tibial Actions: Flex great toe, medial arch support, assist in plantar flexion & inversion
31
Tarsal Tunnel
Flexor retinaculum forms roof of tarsal tunnel FDL, Tibial artery, Tibial nerve, FHL, Tibialis Posterior pass behind the medial malleoulus
32
Superficial Posterior Compartment
Gastrocnemius Soleus Plantaris
33
Plantaris
Very small muscle and can be confused as a nerve Innervation: Tibial
34
Gastrocnemius
Attachments: medial 7 lateral condyle; calcaneus via achilles tendon Innervation: Tibial Actions: knee flexion & ankle plantarflexion
35
Soleus
Attachments: head and superior fibula and medial region of posterior tibia; posterior surface of calcaneus via Achilles Innervation: Tibial Actions: Plantarflexion
36
Achilles Tendon
Largest tendon in body Inserts onto posterior tubercle of the calcaneus Gastroc, soleus, & plantaris merge into tendon
37
Layer 1 of Plantar Intrinsic Foot Muscles (superficial)
Abductor Hallucis Flexor Digitorum Brevis Abductor Digiti Minimi
38
Layer 2 of Plantar Intrinsic Foot Muscles
Quadratus Plantae Lumbricals
39
Layer 3 of Plantar Intrinsic Foot Muscles
Flexor Digiti Minimi Brevis Adductor Hallicus Flexor Hallicus Brevis
40
Layer 4 of Plantar Intrinsic Foot Muscles
Plantar Interossei (3)
41
Dorsal Intrinsic Foot Muscles
Dorsal Interossei (4)
42
Neurovascular Bundle of Foot
Nerves: medial and lateral plantar Arteries: medial and lateral plantar
43
Arteries of Foot
Anterior Tibial: Dorsalis Pedis Posterior Tibial: Medial Calcaneal
44
Abductor Hallicus
Attachments: medial tubercle of tuberosity of calcaneus, plantar aponeurosis; medial side of proximal phalanx of digit 1 Innervation: medial plantar Actions: abducts & flexes 1st toe
45
Flexor Digitorum Brevis
Attachements: medial tubercle of tuberosity of calcaneus, plantar aponeurosis; both sides of middle phalanges of lateral 4 toes Innervation: medial plantar Actions: flex toes 2-5
46
Abductor Digiti Minimi
Attachments: medial & lateral tubercles of tuberosity of calcaneus, plantar aponeurosis; lateral side base of proximal phalanx of digit 5 Innervation: lateral plantar Actions: abducts & flexes 5th toe
47
Quadratus Plantae
Attachments: plantar surface of calcaneus; tendon of flexor digitorum brevis Innervation: lateral plantar Actions: assist with toe flexion
48
Lumbricals
Attachments: tendon of flexor digitorum longus; medial aspect of extensor expansion Innervation: medial plantar(medial head) & lateral plantar(lateral 3 heads) Actions: Flex MTP and extend IP joints of toes
49
Flexor Digiti Minimi Brevis
Attachments: base of 5th metatarsal; base of proximal phalanx of digit 5 Innervation: lateral plantar Actions: flex proximal phalanx of digit 5
50
Adductor Hallicus
Attachments: base of metatarsal 2-4, plantar ligaments of MTP; lateral side of base of proximal phalanx of great toe Innervation: lateral plantar Actions: assist with transverse arch
51
Flexor Hallicus Brevis
Attachmens: plantar surface of cuboid and cuneiforms; both sides of base of proximal phalanx of 1st digit Innervation: medial plantar Actions: flex proximal phalanx of 1st digit
52
Plantar Interossei (3)
Attachments: bases and medial sides of digit 3-5; medials sides of bases of phalanges of digit 3-5 Innervation: lateral plantar Actions: abduct toes and flex MTP
53
Dorsal Interossei (4)
Attachments: adjacent sides of metatarsals 1-5; 1st medial side of proximal phalanx of digit 2, 2nd-4th lateral sides of digit 2-4 Innervation: lateral plantar Actions: Abducts digits 2-4 & flex MTP

Creighton Anatomy (13 decks)

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