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Lower Extremity Anatomy > Joints of the Foot and Ankle Part 2 > Flashcards

Joints of the Foot and Ankle Part 2 Flashcards

(91 cards)

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1
Q

Articular facet for cuboid

A

part of calcaneus that articulates with the cuboid

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2
Q

Articular facet for cuboid is __ shaped

A

saddle;
concave superior to inferior,
convex medial to lateral

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3
Q

anterior process of the calcaneus

A
  • Projects over cuboid

- Visible on lateral radiograph

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4
Q

calcaneocuboid joint

A

between calcaneus and cuboid, part of midtarsal joint

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5
Q

beak of cuboid articulation with coronoid fossa of calcaneous helps

A

stabalize joint during inversion

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6
Q

calcaneocuboid joint is a

A

diarthrosis saddle joint (sellar)

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7
Q

calcaneocuboid joint joint capsule attaches to

A

articular margins

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8
Q

blood supply to the calcaneocuboid joint

A

dorsalis pedis, lateral plantar, perforating fibular, lateral tarsal

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9
Q

Dorsal (dorsolateral) calcaneocuboid ligament attaches from

A

distal dorsal calcaneus to proximal dorsolateral aspect of cuboid

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10
Q

Bifurcate ligament

A
  • Dorsal calcaneonavicular ligament

- Calcaneocuboid ligament (dorsomedial calcaneocuboid)

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11
Q

long plantar ligament (superfical calcaneocuboid) attaches from

A

trigonum plantare of calcaneus

to fibular ridge of cuboid AND plantar aspect of the bases of metatarsals 2-4(5)

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12
Q

which ligament separates origins of quadratus plantae ?

A

long plantar ligament

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13
Q

long plantar ligament creates ____ by its attachment to fibular ridge (cuboid ridge, or crest) and met bases

A

fibular (peroneal) canal

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14
Q

long plantar ligament helps maintain what arch

A

lateral longitudinal arch

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15
Q

short plantar ligament (deep calcaneocuboid) attaches from

A 
calcaneal tubercle (anterior tubercle of calcaneus) 
to cuboid, posterior to fibular ridge including the beak (coronoid process of cuboid)
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16
Q

short plantar ligament (deep calcaneocuboid) helps maintain

A

lateral longitudinal arch

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17
Q

stabalizing ligaments of calcaneocuboid joint

A
  1. dorsal (dorsolateral) calcaneocuboid
  2. bifurcate
  3. long plantar
  4. short plantar
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18
Q

2 joints of the midtarsal joint (transverse tarsal joint. chopart’s joint)

A

Calcaneocuboid joint + talonavicular portion of talocalcaneonavicular

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19
Q

midtarsal joint is a ___ joint

A

fucntional,

triplanar: supination and pronation

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20
Q

cyma line

A
  • Line through midtarsal joint

- Undisrupted “S”-shaped curve

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21
Q

3 anatomic joints:

A

posterior talocalcaneal,
talocalcaneonavicular,
and calcaneocuboid

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22
Q

talocalcaneal + talocalcaneonavicular

A

subtalar

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23
Q

talonavicular + calcaneocuboid

A

midtarsal

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24
Q

Ligaments in the Tarsal Sinus

A
  1. Interosseous talocalcaneal ligament
  2. Cervical ligament
  3. Bifurcate ligament
  4. Frondiform ligament
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25
lateral root of the frondiform ligament originates
lateral to EDB
26
lateral root of the frondiform ligament blends with
inferior fibular retinaculum
27
intermediate root of the frondiform originates from
sinus tarsi, medial to EDB
28
intermediate root of the frondiform is posterior to
cervical ligament
29
intermediate root of the frondiform unites with
lateral root to form superficial component of frondiform ligament
30
3 components of the medial root of frondiform ligament
1. lateral calcaneal component 2. medial calcaneal component 3. Talar component
31
Lateral calcaneal component originates
in sinus tarsi, posterior to intermediate root
32
Medial calcaneal component attaches
to floor of tarsal canal
33
talar component attaches
to roof of tarsal canal (neck of talus)
34
great tarsal joint consist of
bones of the midfoot
35
great tarsal joint articulations share
joint capsule lined with synovium
36
blood supply to the great tarsal joint
branches of dorsalis pedis (tarsal arteries), medial and lateral plantar arteries
37
great tarsal joint is a ___ joint
planar, synovial, diarthrosis
38
articulations of great tarsal joints
1. Cuneonavicular joints 2. Intercuneiform joints 3. Cuneocuboid joint 4. Cuboideonavicular joint (synovial joint present 50%) 5. 2nd and 3rd Cuneometatarsal joint 6. Intermetatarsal joint of 2nd and 3rd metatarsals 7. Intermetatarsal joint of 3rd and 4th metatarsals
39
Cuneonavicular joints
Between the 3 cuneiforms and navicular
40
Intercuneiform joints
Between medial and intermediate cuneiforms (1st) ; intermediate and lateral cuneiforms (2nd)
41
Cuneocuboid joint
Between lateral cuneiform and cuboid
42
Cuboideonavicular joint (synovial joint present 50%)
Between medial surface of cuboid and lateral surface of navicular
43
2nd and 3rd Cuneometatarsal joint
- Together can be referred to as the intermediate tarsometatarsal joint - between base of 2nd metatarsal and cuneiforms - between lateral cuneiform and base of 3rd metatarsal
44
Boundaries of great tarsal joint
- Lateral interosseous tarsometatarsal ligament - Cuboideonavicular interosseous ligament - Lisfrancs’s Ligament (Medial tarsometatarsal - Interosseous cuneocuboid ligament
45
ligaments of the great tarsal joint
1. Cuneonavicular joints 2. Intercuneiform joints 3. Cuneocuboid joint 4. Cuboideonavicular joint (synovial 50%) 5. 2nd and 3rd Cuneometatarsal joint (intermediate tarsometatarsal joint)
46
Cuneonavicular joints
Dorsal (3) and plantar (3) cuneonavicular ligaments | One between each cuneiform and navicular
47
which great tarsal joint has NO interosseous ligaments
Cuneonavicular joints
48
Intercuneiform joints
Dorsal (2), interosseous (2) and plantar (2) intercuneiform ligaments (One between each cuneiform)
49
intercuneiform and cuneocuboid joint supports
transverse arch
50
Cuneocuboid joint ligaments
Dorsal, interosseous, and plantar cuneocuboid ligaments
51
50% synovial joint
Cuboideonavicular joint
52
Cuboideonavicular joint ligaments
- Dorsal, interosseous, and plantar cuboideonavicular ligaments - Interosseous is small if synovial joint is present
53
Lisfranc's joint
tarsometatarsal joint
54
Lisfranc's joint is a
planar, synovial joint, diarthrosis, (not much movement)
55
lisfranc's joint: Functional joint between
metatarsals and cuboid/cuneiforms
56
The cuneiforms form
a mortise for the 2nd metatarsal base.
57
2nd metatarsal base functions as __ | Very important in the stability of Lisfranc’s joint
a tenon
58
The 2-4th metatarsal bases form
a shallow mortise for the lateral cuneiform
59
1st Cuneometatarsal Joint (Medial tarsometatarsal joint)
between medial cuneiform and 1st metatarsal Joint capsule attached to articular margins Planar, synovial; diarthrosis
60
1st Cuneometatarsal Joint blood supply
medial plantar and dorsalis pedis
61
2nd and 3rd Cuneometatarsal joint (intermediate tarsometatarsal joint)
Between - 2nd metatarsal base with all 3 cuneiforms - 3rd metatarsal base with lateral cuneiform
62
2nd and 3rd Cuneometatarsal joint (intermediate tarsometatarsal joint) is also a part of
great tarsal joint
63
2nd and 3rd Cuneometatarsal joint blood supply
branches from deep plantar arch and dorsalis pedis
64
Metatarsocuboid joint of 4 and 5 (Lateral tarsometatarsal joint)
- Between cuboid and bases of the 4th and 5th metatarsals | - Planar, synovial joint; diarthrosis
65
Metatarsocuboid joint of 4 and 5 blood supply
branches from arcuate, lateral tarsal and deep plantar arch
66
how many Dorsal tarsometatarsal ligaments of the tarsometatarsal joint
7 (sometimes 8)
67
Plantar tarsometatarsal
(irregular in number number 3-5)
68
No plantar ligaments to which tarsal bone
intermediate cuneiform
69
1st Dorsal tarsometatarsal
between medial cuneiform and 1st metatarsal base
70
2nd Dorsal tarsometatarsal
between medial cuneiform and 2nd metatarsal base
71
3rd Dorsal tarsometatarsal
between intermediate cuneiform and 2nd metatarsal base
72
4th Dorsal tarsometatarsal
between lateral cuneiform and 2nd metatarsal base
73
5th Dorsal tarsometatarsal
between lateral cuneiform and 3rd metatarsal base | sometimes between lateral cuneiform and 4th met base
74
6th Dorsal tarsometatarsal
between dorsomedial cuboid 4th metatarsal bases
75
7th Dorsal tarsometatarsal
between dorsolateral cuboid to 5th metatarsal base
76
Plantar tarsometatarsal: 1st medial cuneiform to
1st metatarsal base
77
Plantar tarsometatarsal : 2nd medial cuneiform
``` splits into 2 bands; to 2nd (deep) and 3rd (superficial) metatarsal bases ```
78
Plantar tarsometatarsal : 3rd from lateral cuneiform to
3rd (sometimes 4th) metatarsal base
79
Plantar tarsometatarsal : 4th from cuboid to
4th metatarsal base
80
Plantar tarsometatarsal : 5th from cuboid to
5th metatarsal base
81
Interosseous tarsometatarsal (3)
1. lisfranc's ligament (medial) 2. intermediate interosseous tarsometatarsal ligament 3. lateral interosseous tarsometatarsal ligament
82
Lisfranc’s ligament (1st or medial interosseous tarsometatarsal ligament) from
lateral aspect of medial cuneiform to medial aspect of 2nd met base
83
Stronger than other interosseous tarsometatarsal ligaments
Lisfranc’s ligament
84
Intermediate interosseous tarsometatarsal ligament from
medial aspect of lateral cuneiform to lateral aspect of 2nd met base
85
Lateral interosseous tarsometatarsal ligament from
lateral surface of lateral cuneiform to medial aspect of 4th met base)
86
*There is variation in attachments for the ___ & __ interosseous tarsometatarsal ligaments.*
intermediate and lateral
87
Long axis of calcaneus is directed
superiorly and laterally.
88
Superior angulation is referred to as
calcaneal pitch
89
___ between long axis of talus and calcaneus
~ 30 - 35⁰
90
2nd metatarsal base articulates with which cuneiforms
medial, intermediate, lateral
91
3rd metatarsal base articulates with which cuneiforms
just lateral

Lower Extremity Anatomy (16 decks)

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