ANKLE & FOOT Flashcards

(64 cards)

1
Q

what is the ankle & foot made up of?

A

tarsal bones
metatarsal bones
phalanges

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2
Q

tarsal bones

A

talus
calcaneus
navicular
cuneiforms
cuboid

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3
Q

3 parts of the talus

A

head (articular surfaces)
neck (talus sulcus)
body (trochlea, processes)

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4
Q

TALUS - head: articular surfaces for…

A

navicular
calcaneus: anterior, middle, posterior
inferior tibia
medial malleolus
lateral malleolus

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5
Q

TALUS - neck

A

talus sulcus

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6
Q

TALUS - body

A

trochlea
posterior process: medial & lateral tubercle
lateral process

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7
Q

CALCANEUS - body: articular surfaces…

A

superior, anterior, middle, posterior facets for talus
facet for cuboid
-calcaneus sulcus
-calcaneal tuberosity
-sustentaculum tali
-fibular (peroneal) tubercle/ trochlea
-groove for fibularis longus tendon

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8
Q

what is the navicular bone made up of?

A

body
navicular tuberosity

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9
Q

CUNEIFORMS

A

1st cuneiform (medial)
2nd cuneiform (intermediate/ middle)
3rd cuneiform (lateral)

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10
Q

what is the CUBOID bone made up of?

A

body
fibular (peroneal) sulcus/ groove

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11
Q

metatarsal bones

A

base
shaft / body
head

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12
Q

PHALANGES

A

proximal: 1-5
middle: 2-5
distal: 1-5
*great toe doesn’t have a middle
(base, shaft/body, head)

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13
Q

talocrural (ankle) / mortise joint - type & movements

A

type: synovial, hinge, diarthrosis, uniaxial
movements: dorsiflexion, plantar flexion

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14
Q

talocrural (ankle) joint - articular surfaces

A

inferior articular & medial malleolar surfaces of tibia
lateral malleolar surface of fibula
trochlea of talus

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15
Q

ankle joint - LATERAL ligaments

A

calcaneofibular ligament (CFL)
anterior talofibular ligament (ATFL)
posterior talofibular ligament (PTFL)

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16
Q

how is the ankle joint (lateral ligaments) typically injured?

A

with an INVERSION ankle sprain

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17
Q

ankle joint - MEDIAL ligaments

A

anterior tibiotalar ligament
tibionavicular ligament
tibicalcaneal ligament
posterior tibiotalar ligament

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18
Q

distal/ inferior tibiofibular joint

A

type: fibrous, syndesmosis, amphiarthrosis, uniaxial
articular surfaces: inferior end of fibula & inferior end of tibia
ligaments: interosseous membrane, anterior & posterior inferior tibiofibular ligaments
movements: gliding

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19
Q

what is the distal tibiofibular joint supported by?

A

posterior (inferior) tibiofibular ligament
anterior (inferior) tibiofibular ligament

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20
Q

subtalar / talocalcaneal joint - type & movements

A

type: synovial, plane, diarthrosis, triaxial
movements: gliding, rotation, inversion & eversion

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21
Q

subtalar / talocalcaneal joint - articular surfaces

A

posterior, anterior & middle articular surface for calcaneus on talus
facets on superior surface of calcaneus

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22
Q

subtalar / talocalcaneal joint - ligaments

A

fibrous capsule
medial, lateral & posterior talocalcaneal ligaments

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23
Q

TALOCALCANEONAVICULAR JOINT - type & movements

A

type: synovial, ball & socket, also PLANE, diarthrosis, multiaxial
movements: gliding, rotation, inversion & eversion

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24
Q

TALOCALCANEONAVICULAR JOINT - articular surfaces

A

facet on head of talus
facet on proximal side of navicular
anterior talar facet
middle talar facet
sustentaculum tali

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25
TALOCALCANEONAVICULAR JOINT - ligaments
fibrous capsule dorsal talonavicular plantar calacaneonavicular / spring calcaneonavicular portion of bifurcate ligament
26
TALOCALCANEONAVICULAR JOINT - plantar calcaneonavicular ligament
SPRING LIGAMENT (inferiorly) -head of talus articulates with calcaneus & spring ligament BELOW & navicular INFRONT
27
CALCANEOCUBOID JOINT - type & movements
type: synovial, saddle, diarthrosis, uniaxial movements: gliding & rotation
28
CALCANEOCUBOID JOINT - articular surfaces
anterior articular surface of calcaneus posterior articular surface of cuboid
29
CALCANEOCUBOID JOINT - ligaments
fibrous capsule calcaneocuboid portion of bifurcate ligament plantar calcaneocuboid/ short plantar ligament LONG plantar ligament dorsal calcaneocuboid
30
CUBOIDEONAVICULAR JOINT - type & movements
type: fibrous, uniaxial movements: gliding & rotation
31
CUBOIDEONAVICULAR JOINT - articular surfaces
articular surface on lateral aspect of navicular articular surface on posteromedial side of cuboid
32
CUBOIDEONAVICULAR JOINT - ligaments
fibrous capsule dorsal cuboideonavicular interosseous cubodeonavicular long planter
33
how is the CUBOIDEONAVICULAR JOINT connected?
by the dorsal, plantar & interosseous ligaments
34
DISTAL INTERTARSAL JOINT - type & movements
type: synovial, plane, diarthrosis, uniaxial movements: gliding & rotation
35
DISTAL INTERTARSAL JOINT - articular surfaces
articular surface of navicular, cuboid, cuneiform & metatarsals
36
DISTAL INTERTARSAL JOINT - ligaments
fibrous capsule dorsal plantar cuneonavicular intercuneiform cuneocuboid
37
TARSOMETATARSAL JOINT - type & movements
type: synovial, plane, diarthrosis, uniaxial movements: gliding
38
what does the TARSOMETATARSAL JOINT link?
links the forefoot to the rearfoot
39
TARSOMETATARSAL JOINT - articular surface
articular surface of distal tarsals base of metatarsals
40
TARSOMETATARSAL JOINT - ligaments
fibrous capsule dorsal interosseous long plantar
41
INTERMETATARSAL JOINT - type & movements
type: synovial, plane, diarthrosis, uniaxial movements: gliding
42
INTERMETATARSAL JOINT - articular surfaces
adjacent surfaces of bases of metatarsals
43
INTERMETATARSAL JOINT - ligaments
fibrous capsule dorsal, plantar, interosseous intermetatarsal deep transverse metatarsal
44
METATARSOPHALANGEAL JOINT - type & movements
type: synovial, condyloid, diarthrosis, biaxial movements: flexion, extension, ADD, ABD
45
METATARSOPHALANGEAL JOINT - articular surfaces
convex heads of metatarsals concave bases of proximal phalanges
46
METATARSOPHALANGEAL JOINT - ligaments
fibrous capsule MCL LCL
47
INTERPHALANGEAL JOINTS
distal interphalangeal proximal interphalangeal interphalangeal of HALLUX only
48
INTERPHALANGEAL JOINT - type & movements
type: synovial, hinge, diarthrosis, uniaxial movements: flexion & extension
49
INTERPHALANGEAL JOINT - articular surfaces
heads of proximal phalanges bases of distal phalanges
50
INTERPHALANGEAL JOINT - ligaments
fibrous capsule MCL LCL
51
PLANTAR FASCIA
flat, thick band of CT that connects calcaneal tuberosity to ligaments around heads of metatarsal bones -supports arch on bottom of foot, very strong
52
PLANTAR FASCIITIS
if plantar fascia is stretched or overworked and becomes inflamed
53
what is retinaculum - & its function
retinaculum = band of thickened deep fascia occurs where tendons pass through (usually around joints) FUNCTION: stabilize tendons; hold them in place
54
RETINACULA of ankle
superior & inferior extensor retinaculum: -medial view = holds down extensor tendons superior & inferior fibular retinaculum: -lateral view = holds down fibular / peronal tendons flexor retinaculum: -medial view = holds down flexor tendons
55
BURSA
fluid filled sac that cushions & lubricates against friction between tendon & bone when moving against each other
56
main region in ankle that gets high friction & requires a BURSA
between calcaneus & achilles tendon
57
what are the TWO bursa between the calcaneus & achilles tendon
Superficial or Subcutaneous Calcaneal Bursa Deep or Retrocalcaneal Bursa
58
what are foot arches & what are they essential for?
arches in our feet formed by bones, ligaments & tendons connected together -essential for movement, weight bearing & shock absorption
59
what are the 3 distinct arches of the foot
-TWO "longitudinal" arches (one on each side) -ONE "transverse" arch (runs across midfoot)
60
MEDIAL LONGITUDINAL ARCH
most prominent foot arch ("the arch") -runs from front to back along medial side of foot -absorbs majority of shock of impact while walking, running, jumping
61
Pes Cavus (medial longitudinal arch)
an unusually high medial longitudinal arch
62
LATERAL LONGITUDINAL ARCH
runs parallel to medial arch, along lateral edge of foot -most visible in people with very high arches
63
Pes Planus (lateral longitudinal arch)
occurs when longitudinal arches are lost ="flat feet"
64
TRANSVERSE ARCH
runs across midfoot from medial to lateral -provides support & flexibility to foot