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Lower Extremity Anatomy > Joints of Foot and Ankle Part 3 > Flashcards

Joints of Foot and Ankle Part 3 Flashcards

1
Q

open kinetic chain

A

calcaneus and foot moving on talus

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2
Q

closed kinetic chain

A

talus moving, forefoot is fixed, calcaneus is mostly fixed

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3
Q

open kinetic chain pronation

A

Dorsiflexion
Abduction
Eversion

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4
Q

open kinetic chain supination

A

dorsiflexion (talus)
abduction (talus)
inversion (calcaneus)
tibia external rotation

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5
Q

closed kinetic chain pronation

A

plantar flexion (talus)
adduction (talus)
eversion (calcaneous)
tibia internal rotation

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6
Q

Open Kinetic Chain

A

roll and slide in opposite directions

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7
Q

Closed Kinetic Chain

A

roll and slide of mortise on the trochlea

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8
Q

Ankle joint innervation

A
  • Deep fibular nerve
  • Accessory deep fibular when present
  • Tibial nerve
  • Saphenous nerve
  • Sural nerve
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9
Q

subtalar innervation

A 
Tibial nerve
Lateral dorsal cutaneous (sural)
Medial plantar
Deep fibular
Accessory deep fibular when present
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10
Q

talocalcaneonavicular innervation

A

Medial plantar

Deep fibular

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11
Q

Calcaneocuboid innervation

A

Lateral plantar
Sural
Deep fibular
Accessory deep fibular when present

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12
Q

Cuneocuboid joint and cuboidonavicular innervation

A

Lateral plantar and deep fibular

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13
Q

innervation of 1st and 2nd Cuneonavicular, medial intercuneiform, cuneometatarsal 1-2

A

Deep fibular

Plantar side: Medial plantar

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14
Q

innervation of 3rd cuneonavicular, 3rd cuneometatatarsal, , lateral intercuneiform

A

Deep fibular and lateral plantar

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15
Q

innervation of Cuboid metatarsal 4,5

A

Sural
Superficial fibular
LPN

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16
Q

Intermetatarsal joint

innervation

A

-Dorsum: deep fibular
-Plantar:
deep branch of lateral plantar: between 2nd and 3rd and 3rd and 4th metatarsal bases
Superficial branch of LPN: between 4th and 5th metatarsal base

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17
Q

innervation of MTP joints and IP joints

A

Branches from the dorsal and plantar digital nerves that pass by the joint
2-4th MTP joints can also receive innervation from deep branch of LPN

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18
Q

PIP joints between

A

head of proximal phalanx and base of middle phalanx

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19
Q

DIP joints between

A

head of middle phalanx and base of distal phalanx

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20
Q

Interphalangeal Joints (IP Joints)

A
  • Proximal and distal have similar structure
  • Gingylmus (hinge), synovial joints; diarthrosis
  • Joint capsule ataches to articular margin
  • Movements: dorsiflexion/plantarflexion
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21
Q

Hallux only has an i

A 
nterphalangeal joint (IP)
Between head of proximal phalanx and base of distal phalanx
22
Q

Medial and Lateral collateral ligaments of the __ interphalangeal joint

A

From the tubercles of the phalangeal head proximally to tubercles of phalangeal base distally

23
Q

Plantar interphalangeal ligament of the __ interphalangeal joint

A

From the head of a phalanx proximally to base of phalanx distally

24
Q

All the muscles, ligaments/capsule that attaches to the sesamoid bones

A
  • Flexor hallucis brevis (medial and lateral)
  • Abductor hallucis muscle (medial)
  • Adductor hallucis muscle (lateral)
  • Deep transverse metatarsal ligament (lateral)
  • Sesamophalangeal ligaments (medial and lateral)
  • Metatarsophalangeal suspensory ligament (medial and lateral)
  • Intersesamoid ligament (medial and lateral)
  • Plantar plate
25
Q

Anatomic and functional unit formed by

A
  • Proximal phalanx
  • Collateral ligaments
  • Plantar plate
26
Q

Metatarsophalangeal Joints

A

Metatarsal head with base of proximal phalanx

27
Q

metatarsophalangeal joints are __ joints

A

Ellipsoid, synovial joint; diarthrosis

28
Q

Metatarsophalangeal Joints movements

A

abduction/adduction; flex/ext; circumduction

29
Q

Metatarsophalangeal Joints capsule attaches

A

to articular margins, lined by synovium

30
Q

Extensor expansion supports

A

dorsal capsule

31
Q

Usually No ligaments between

A

1st and 2nd metatarsals, they usually do not articulate

32
Q

Intermetatarsal joints are __ joints

A

planar, synovial, diarthrosis

33
Q

Intermetatarsal joints between

A

2nd and 3rd (part of great tarsal joint)
3rd and 4th (part of great tarsal joint)
4th and 5th

34
Q 
Sesamophalangeal ligaments (phalangeosesamoid)
medial
A

tibial (medial) sesamoid to medial tubercle of proximal phalanx base

35
Q 
Sesamophalangeal ligaments (phalangeosesamoid)
 lateral
A

fibular (lateral) sesamoid to lateral tubercle of proximal phalanx base

36
Q

Intersesamoid ligament

A

Connects the medial and lateral sesamoids

37
Q

Collateral ligaments of 1st MTP joint (Proper collateral ligaments or metatarsophalangeal ligament)medial

A

from medial tubercle of met head to medial tubercle of proximal phalanx base

38
Q

Collateral ligaments of 1st MTP joint (Proper collateral ligaments or metatarsophalangeal ligament) lateral

A

from lateral tubercle of met head to lateral tubercle of proximal phalanx base

39
Q

Metatarsophalangeal suspensory ligaments (metatarsoglenoid ligaments or metatarsosesamoid ligaments or Accessory collateral ligaments)
MEDIAL

A

from medial tubercle of met head to medial sesamoid & plantar plate

40
Q

Metatarsophalangeal suspensory ligaments (metatarsoglenoid ligaments or metatarsosesamoid ligaments or Accessory collateral ligaments)
LATERAL

A

from lateral tubercle of met head to lateral sesamoid & plantar plate

41
Q

plantar plate attaches to

A

sesmoids

42
Q

Medial and lateral collateral ligaments of __ MTP joint or Proper collateral ligaments

A

Pass between tubercles of the met heads and proximal phalanx base

43
Q

Medial and lateral metatarsophalangeal suspensory ligaments of ___MTP (Metatarsoglenoid ligaments or accessory collateral ligaments)

A

From medial and lateral tubercles of met head to plantar plate

44
Q

Plantar Metatarsophalangeal Ligaments

A

Pass from plantar aspect of met head to plantar aspect of proximal phalanx

45
Q

Plantar (volar) plate

A

Fibrocartilaginous disc like structure located on the plantar to metatarsal head
*type 1 cartilage

46
Q

Plantar (volar) plate

Important in

A

MTP dorsoplantar joint stability; Shock absorption

Resists tensile and compressive forces

47
Q

plantar plate Has attachment to:

A

deep transverse metatarsal ligament, sling of extensor expansion, flexor tendon sheath, plantar fascia, collateral ligaments and proximal phalanx

48
Q

Ligament that connects adjacent metatarsal heads and plantar (volar) plates

A

Deep Transverse Metatarsal Ligament

49
Q

Deep Transverse Metatarsal Ligament is an important stabalizer of

A

the MTP joints

50
Q

Proximal edge of deep transverse metatarsal ligament is at the level of

A

the metatarsal condyles, distal doesn’t usually extend past met head

51
Q

Anatomy is different between the 1st metatarsal space (between met heads of digit 1and 2

A
  • Attaches to 2nd metatarsal head and plantar plate; splits into a dorsal and plantar slip
  • Plantar slip attaches to lateral sesamoid bone of 1st MTP joint
  • Dorsal slip attaches joint capsule of 1st MTP joint
  • The tendon of the adductor hallucis passes between the 2 slips

Lower Extremity Anatomy (16 decks)

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