Manual 78-82:Osteology of Leg Flashcards Preview

Anatomy Lower Limb > Manual 78-82:Osteology of Leg > Flashcards

Flashcards in Manual 78-82:Osteology of Leg Deck (95)
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1
Q

second longest and second strongest bone

A

tibia

2
Q

male v female tibia

A

male is nearly vertical

female - distal end more medial compared to proximal end

3
Q

inferior surface of tibia

A

tibial plafond

4
Q

superior surface of tibia

A

tibial plateau

5
Q

shape of the tibial plateau

A

oval

wider side tos ide

6
Q

larger condyle on tibia

A

medial condyle

7
Q

the roughened medial surface of medial condyle of tibia is an attachment site for…

A

tibial (medial) collateral ligament

8
Q

three structures in non-articular intercondylar ridge of tibia

A
  • anterior intercondylar fossa
  • intercodnylar eminence
  • posterior intercondylar fossa
9
Q

what 3 attachments are at the anteriro intercondylar fossa?

A
  • anterior horn of medial meniscus
  • anterior cruciate ligament
  • anteriro horn of lateral meniscus
10
Q

where are the medial and lateral intercondylar tubercles located?

A

on intercondylar eminence between two intercondylar fossa

11
Q

spine/ridge located b/w two intercondylar fossa

A

itnercondylar eminence

12
Q

what 3 attachments are there to the posterior intercondylar fossa

A
  • posterior horn of lateral meniscus
  • posterior horn of medial meniscus
  • posterior cruciate ligament
13
Q

apex of tibial tuberosity is directed…

A

inferior

14
Q

what attaches at tibial tuberosity

A

patellar ligament

15
Q

the patellar ligament is a continuation of ..

A

quadratus femoris tendon

16
Q

posterolateral depression on lateral tibial condyle

A

fibular facet

* oval shaepd

17
Q

what are the borders of shaft of tibia?

A

anterior (shin)
medial
lateral

18
Q

anterior border of tibia

A

tibial tuberosity to the medial malleolus

19
Q

attachments to anterior border of tibia

A

crural fascia (Deep fascia of leg)

20
Q

medial border of tibia

A

medial condyle to medial malleolus

21
Q

4 attachments to medial border of tibia

A
  • medial collateral ligament
  • popliteus
  • soleus
  • flexor digitorum longus
22
Q

anterior and medial borders of tibia corkscrew medially so at the medial malleolus …

A

anterior border becomes anterior border of malleolus

just as leg rotates medially in development

23
Q

lateral border of tibial shaft aka

A

interosseous crest

24
Q

lateral border of tibial shaft

A

extends from articular facet from fibula and divides to form tow ridges inferiorly (anterior and posterior borders of fibular notch)

25
Q

what attaches to the anterior and posterior borders of the fibular notch?

A

posterior inferior tibiofibular ligament

26
Q

what are the surfaces of the tibial shaft?

A

posterior
medial
lateral

27
Q

between the anterior and medial borders of tibia

A

medial surfaces

28
Q

describe the medial surface of tibia

A

smooth

convex

29
Q

what is the pes anserinus

A

sartorius
gracillis
semitendinosus

30
Q

what surface of the tibia is the pes anserinus located on?

A

medial (superior protion)

31
Q

what attach on the medial surface of the tibia superiorly

A

pes anserinus and tibial collateral ligamnet

32
Q

attachment at roughened area superior protion, medial surface of tibia

A

tibial/medial collateral ligament

33
Q

what attaches along inferior medial surface of tibial shaft

A

crural fascia

34
Q

what is the only muscular attachment to lateral surface of tibia?

A

tibialis anterior

- upper 1/2 to 2/3 grooved by m origin

35
Q

what 4 tendons cover the distal portion of lateral surface of tibia?

A

(medial to lateral)

  • tibialis anterior
  • extensor hallucis longus
  • extensor digitorum lonus
  • peroneus tertius
36
Q

which surface of the tibia are the soleal and vertical line located on?

A

posterior

37
Q

describe the soleal line

A
  • oblique ridge extending superolateral to inferomedial on posterior surface
  • partial origin of soleus m
38
Q

describe the vertical line

A
  • extends inferiorly from soleal line on posterior surface of tibia
39
Q

what structure are located lateral to the vertical line? medial?

A

lateral : tibialis posterior partial origin, nutrient foramen
medial: attachment of flexor digitorum longus

40
Q

what tendons cover the distal smooth portion of the posterior surface of tibia?

A
  • FDL, TP, FHL

tibialis post lies deep and other two are opposite what you think - hallucis lateral, digitorum more medial

41
Q

what are the 5 surfaces of the distal part of tibia?

A
  • anterior, posterior, lateral, medial and inferior
42
Q

what surface of the distal tibia is continuous with the lateral surface of tibial shaft?

A

anterior surface

43
Q

what landmark is on the anterior surface of the distal tibia?

A

transverse groove - attachment of capsule of ankle joint

44
Q

what surface on the distal tibia is continuous with the posterior surface of tibial shaft?

A

posterior surface

45
Q

which surface on distal tibia has a groove for tibialis posterior and FHL tendons?

A

posterior surface

46
Q

the fibular notch is located on the ________ surface of distal tibia

A

lateral

47
Q

the fibular notch is for articulation with …

A

on tibia for articulation with fibula

48
Q

what attaches to the fibular notch

A
  • anterior tibiofibular ligament

- posterior tibiofibular ligament

49
Q

what distal tibia surface is continuous with medial malleolus?

A

medial surface

50
Q

what is the shape of the inferior surface of tibia?

A
  • quadrilateral shape
  • wider anteriorly than posterioly, concave anteroposteriorly, convex side to side
  • aka tibial plafond
51
Q

shape of medial malleolus

A
  • pyramidal shaped
  • extends inferiorly beyond the rest of tibia
  • lateral surface articulates with talus
52
Q

shape of facet on medial malleolus

A

comma shaped

53
Q

the lateral surface of medial malleolus articulates with …

A

talus

54
Q

the anterior and superior colliculi are located on which surface of the distal tibia

A

inferior

- they are slight elevations

55
Q

what attaches to the anterior and posterior colliculi on inferior tibia

A

deltoid ligament

- also attaches intercollicular sulcus, anterior and posterior borders of medial malleolus

56
Q

what is the name of the groove along the posterior border of the distal tibia

A

malleolar sulcus

57
Q

what tendons are located in the malleolar sulcus?

A

tibialis posterior
flexor digitorum longus
- the flexor retinaculum also attaches near malleolar sulcus

58
Q

tibial arterial supply
proximal
distal
shaft

A
  • genicular anastomosis
  • malleolar anastomosis
  • anterior tibial artery
  • nutrient artery (off of post tib a) goes inside
59
Q

if accessory ossification centers are present in tibia, where are they located?

A
  • can be one or two

- located in medial malleolus and/or tibial tuberosity

60
Q

ossification in tibia - primary

A
  • shaft
  • appears 7th wk in utero
  • fusion at puberty
61
Q

ossification in tibia - secondary

A
  • proximal and distal end
  • proximal appears at birth; fuses 16-18 yrs
  • distal appears at 1 yr; fuses 15-17 yrs
62
Q

what does not fibula articulate with?

A

tibia and talus

NOT femur

63
Q

what is the function of the fibula

A

muscle attachment - NOT a weight bearing bone

64
Q

shape of head of fibula

A

quadrate

65
Q

apex of fibula head is …

A

styloid process

66
Q

what attaches to the styloid process of fibula

A
  • biceps femoris

- lateral collateral ligament of knee joint

67
Q

what attaches to the anterior aspect of head of fibula

A
  • peroneus longus
  • extensor digitorum longus
  • anterior ligament of head of fibula
68
Q

what attaches to the posterior aspect of head of fibula?

A
  • soleus muscle

- posterior ligament of head of fibula

69
Q

how many ligaments attach to head of fibula? muscles?

A
  • 3

- 4

70
Q

what courses around the neck of the fibula?

A

common peroneal n.

71
Q

what are the surfaces of the shaft of fibula?

A

4 anterior, medial, posterior, and lateral

72
Q

the anterior surface of the shaft of the fibula is origin of …

A
  • EHL
  • EDL
  • peroneus tertius

(anterior compartment muscles - not TA (attaches superolaterally on tibia and interosseous membrane)

73
Q

what take origin from the medial shaft of fibula?

A

partial origin of tibialis posterior

74
Q

what m. take origin from lateral shaft of fibula?

A

peroneus brevis and longus

75
Q

what muscles take origin from posterior surface of shaft of fibula?

A
  • soelus m (superiorly - partial origin)

- FHL (midway)

76
Q

the nutrient foramen of fibula is located on which surface

A

posterior - branch of peroneal a.

77
Q

where on the posterior surface of the fibula does the interosseous ligament attach

A

inferiorly

78
Q

what are the four borders of the fibula

A
  • anterolateral
  • anteromedial
  • posterolateral
  • posteromedial
79
Q

deep fascia of leg

A

crural fascia

80
Q

the crural fascia forms how many intermuscular septa

A

two

81
Q

separates extensor m from lateral m in leg

A

anterolateral border of fibula

82
Q

separates lateral m from flexors in leg

A

posterolateral border of fibula

83
Q

anteromedial border of fibula aka

A

interosseous crest

- interosseous membrane attaches here

84
Q

posteromedial border of fibula aka

A

oblique ridge

- inferiorly blends with itnerosseous crest

85
Q

what are the surfaces of lateral malleolus

A

medial and lateral

86
Q

what shape facet is on the medial side of the lateral malleolus

A

triangular - articulates with talus

87
Q

what is located posterior to facet on medial surface of lateral malleolus?

A

lateral malleolar fossa

88
Q

what attaches to the lateral malleolar fossa?

A
  • posterior tibiofibular ligament

- posterior talofibular ligament

89
Q

what are the borders on the lateral malleolus?

A

anterior and posterior

90
Q

what attaches to the anterior border of lateral malleolus

A
  • anterior tibiofibular ligament
  • anterior talofibular ligament (roughened area)
  • calcaneofibular ligament (small inferior tubercle- also attaches at apex of lateral malleolus)
91
Q

what two tendons pass through the shallow sulcus/groove on posterior border of lateral malleolus

A
  • peroneus longus

- peroneus brevis

92
Q

usually the ______ center of ossification to appear is the last to close

A

first

usually 1st seocndary center to appear is last to fuse

93
Q

fibula-four-fourteen

A

proximal secondary center starts at 4 year and closes 14 months after tibial

94
Q

primary ossification fibula

A
  • shaft

- appears week 8 in utero and fuses by puberty

95
Q

secondary ossification fibula

A
  • distal end appears at year 1 and fuses by 15-17

- proximal end appears at year 3-4 and fuses by 17-19