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Patho 2 Final MSK > Lower Leg > Flashcards

Flashcards in Lower Leg Deck (75):
1

what is in superficial fascia of lower limb

Saphenous veins (great and small)
Lymphatics and nodes
Fat and CT

2

what is purpose of deep fascia lata of lower limb?

covers thigh muscles including gluteals
assists in venous return

3

Femoral Canal travels under the ____

inguinal ligament

4

lateral to medial contents of femoral canal

Femoral N, A, V and inguinal lymph node chain

5

_____ branches off after passing thorugh femoral canal

saphenous vein

6

what are 3 main nerves of lower leg

obturatior (from L plexus)
femoral ( L plexus)
Sciatic (sacral plexus)

7

all motor and almost all sensory below knee innervated by___

sciatic
however saphenous n. carries some sensory here

8

lumbar plexus forms the ____

femoral n. anterior

9

lumbar plexus serves the

anterior compartment of the thigh

10

lumbar plexus is

L2,3, 4

11

what does lumbosacral plexus form?

posterior portion of sciatic n.

12

what does lumbosacral plexus supply?

posterior compartments of thigh AND lower leg

13

what is "retractor" nerve injury

stretch / compression of pelvic nerves:
femoral, obturator, genitofemoral

14

positioning nerve injury with lateral leg pressure

fibular n. compression

15

what does femoral artery travel through?

adductor canal

16

femoral artery changes name to ____ as it enters the ___ fossa

popliteal (artery)

17

obturator artery is a branch off of what?

the anterior division of the internal iliac artery

18

obturator artery travels through what?

obturator foramen and gives blood supply to adductor muscles and to the femoral head collaterally

19

--- is the cannulation site for cardiac procedures

femoral triangle

20

lower leg has a ___ compartment in addition to ant and post and
upper leg has a ___ compartment in addition to ant and post

lower leg has: medial compartment

upper leg has a: lateral compartment

21

muscles of lower leg ant. compartment

anterior tibialis, extensor digitorum longus, peroneus brevis
digitorum longus? and tibialis postioer muscle and flexor halliucis muscle

22

lateral ll compartment muscles

peroneus longus muscle

23

posterior compartment

gastrocnemius muscle, soleus muscle

24

nerve of anterior compartment

deep fibular nerve

25

n. superficial and deep post

tibial n.

26

n. of lateral compartment

superficial peroneal n

27

sural n. braches off

tibal and common fibular n.

28

tom dick and harry muscles live in

deep posterior compartment lower leg

29

ticep surae, gastroc, soleus and plataris live

superficial post comp

30

fibularis longus and fibularis brevis live

lat compartment

31

peroneal n aka

superficial nerve

32

syndesmosis flexibility depends on

length of fibers

33

synarthrosis phiarthrosis

immovable joint

34

amphiarthroses

slightly movable joints

35

diarthroses

freely movable joints

36

4 possible joint structures

bony fusions, fibrous, cartilaginous, synovial

37

2 kinds of cartilaginous jts

synchondroses, sympheses

38

cartilaginous joints do not have

a joint cavity they are 2 bones that articulate with cartilage

39

syncondroses

epiphyseal plate
first rib and manubrium

40

symphysis

intervertebral discs
pubic symphesis

41

synovial joint has

hyaline art. cartilage
joint cavity with synovial fluid

jt capsule 2 layers (outer: fibrous cap, inner: synovial membrane)

supporting ligaments
nerves
blood vessels

42

what does a articular capsule line?

areas of jt that are not covered by cartilage

43

synovial fluid is ___ filtrate full of ___

blood filtrate with glycoproteins

44

role of synovial fluid

lubricate joint and nourishes cartilage

45

where do joint blood rge capillary supply come from?

vessels from overlying muscles
large capillary beds present in synovial membrane - similar to choroid

46

joint nerves sense

pain and stretch

47

ligaments can only stretch ___ before they tear and once they...

6% before tear. once stretched stay stretched

48

synovial goints do...

gliding, angular mvmts, rotation etc.

49

plane joint

knee - femur and patella - gliding

50

hing joint

knee - femur and tibia - biaxial

51

pivot joint

C1 and C2

52

condyloid jt

elbow?

53

saddle

thumb?

54

ball and socket

glenohumeral

55

3 ligaments on femur head

iliofemoral, pubofemoral, ischiofemoral

56

ligament teres

head of femur into acetabulum
also carries its artery (medial femoral circumflex? )

57

___largest and most complex jt we have

knee joint .. at least dozen bursa!

58

acl inserts on the

anterior intercondylar area to lateral condyle femur

59

pcl

post intercondylar to medial condyle femur

60

tarsus is..

cluster of 7 bones between tibial and metatarsals

61

7 bones of tarsus

calcaneus, talus, cuboid, navicular, cuneiform

62

during walking.. talus distributes about half the weight to the ____ the rest to the other tarsal bones

calcaneous

63

distal tib/ fib jt has no..

true motion - ligaments hold together

64

talocrural jt is

lateral and medial mallelos and talus
plantar and dorsiflexion

65

hind foot jts..

subtalar jt: talus and calcaneus: inversion and eversion

66

medial ligament of hindfoot

deltoid ligament

67

bones of mid foot

navicular cuboid and 3 cuniformes

68

inernal arch aka

longitudinal medial and alteral

69

transverse arch

anterior arch

70

plantar aponeurosis helps maintain the __ arch

the medial longitudinal arch of foot

71

transverse arch formed by ___

5 metatarsal bones

72

plantar fasciitis aka

stone branch

73

risk factors for plantar fascitis

female, overweight, inflex calf muscles, flat or high arches

74

flexor retinaculum

located on medial aspect of heel

75

extensor retinaculum

superior and inferior - around top of ankle and early post talus/ calcenus