Unit 4: lower limb Flashcards

1
Q

the opening in the fascia lata

A

saphenous opening

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2
Q

thick part of fascia lata

A

iliotibial tract

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3
Q

Deep fascia froms septa that divide to

A

compartments and extensor retinaculum

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4
Q

Iliotibial band inserts

A

gerdys tubercle

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5
Q

Small saphenous

A

rise halfway up then goes deep, originate from dorsal venous arch; begins at lateral mediolis, cural nerve

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6
Q

Great saphenous

A

at knee medial to patella, passes anterior to the medial malleolus

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7
Q

clinical importance of gsv

A

if valves become weak, vein stretches, backflow of blood, varicose veins

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8
Q

perforating veins job

A

conduct blood to deeper vessels, so muscles can help push blood back

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9
Q

accessory saphenous

A

from ssv united with another vein

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10
Q

Deep veins

A

accompany all arteries, paired, contain vascular sheath (to help push blood back), named for vessel

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11
Q

Femoral vein

A

starts medial* to artery, goes through femoral sheath, retroinguinal space, becomes external iliac

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12
Q

Retroinguinal space

A

vessels, muscles, and nerves enter and exit; formed by abominal fascia and inguinal ligament, divided into muscle and vascular compartment

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13
Q

empty canal next to vessels

A

femoral canal allows vessels a place to expand

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14
Q

3 compartments of the femoral sheath

A

lateral, femoral artery; intermediate, femoral vein; medial, space filled areolar tissue lymph nodes

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15
Q

adductor canal

A

where sartorius muscle crosses over adductor longus muscle, vein lying posterior to the artery

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16
Q

where the femoral artery and vein leave adductor canal

A

adductor canal

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17
Q

popliteal vessels

A

as soon as femoral passes arch

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18
Q

plantar veins

A

fromthe bottom of the foot form the fibular and posterior tibial veins

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19
Q

perforating vessels

A

from saphenous veins form the anterior tibial vein in the anterior leg, from the thigh form deep veins which joins the femoral veins in the triangle

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20
Q

big toe drains

A

dorsal venal arch then GSV and femoral

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21
Q

little to drains

A

from dorsal arch to SSV, to popliteal to femoral

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22
Q

Compartment syndrome

A

Fascical compartments are closed spaces, sustained intense use, blunt trauma, burns can lead to edema; pressure rise to point where small nerves and blood vessels are compressed and blood flow pulses are diminished

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23
Q

major arteries of thigh

A

femoral, deep artery of thigh, obturator, medial and lateral circumflex humoral

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24
Q

circumflex arteries

A

keep head of femur alive

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25
Q

major arteries of the leg

A

popliteal and gericular, anterior tibial, fibular, dorasal artery of the foot, lateral plantar

26
Q

anterior tibial

A

comes of tibial artery, peirces interosseous and supplies anterior

27
Q

lymphatic drainage

A

2 levels, superficial drains superficial tissue (GSV, SSV) end in popliteal nodes then drain into the deep inguinal nodes, and deep that accompany the vessels ending in deep inguinal then external iliac, then common iliac

28
Q

cutaneous nerves of lower limb

A

nerves supplying skin of LL originate from the lumbar and sacral plexus from L1-S3; anterior and posterior branches of femoral supply greatest area

29
Q

saphanous nerve

A

anteriomedial area

30
Q

which part of the thigh is supplied by l2-l3

A

the anterior thigh

31
Q

Sacral nerves supply

A

the back of the thigh

32
Q

anterior compartment of the thigh

A

contains flexors of hip and extensors of the knee, pectineus, iliosoas, sartoeus, quads

33
Q

iliopsoas

A

chief flexor of thigh, iliacus andpsoas, lumbar vertebrae, iliac fossa, lesser trochantor, flexes trunk and hip

34
Q

Pectineus

A

flat quadrangular muscle on superiomedial thigh, superior ramus of pumic to pectineal line…

35
Q

iliopsoas

A

chief flexor of thigh, iliacus andpsoas, lumbar vertebrae, iliac fossa, lesser trochantor, …

36
Q

sartorius

A

Asia, medial surface, mostly synergists

37
Q

rectus femoris

A

AIIS, Extends leg at knee joint and steadies hip joint and helps iliopsoas flex thigh, femoral nerve

38
Q

vastus lateralis

A

lateral femur, extend leg at knee joint, femoral nerve

39
Q

vastus medialis

A

Medial femur, extend leg at knee joint, femoral nerve

40
Q

the muscles the have separate innnervation

A

pectineus (obturator), abductor magnus (branch of..)

41
Q

quadriceps femoris

A

4 parts, 3 act on knee, 1 on knee and hip; most important when rising from sitting and walking upstairs*

42
Q

Adductor brevis

A

Lies deep to pectineus and adductor longus but anterior to add magnus; O: inferior ramus of pubis I: Superior linea aspira A: Adducts thigh

43
Q

vastus medialis

A

44
Q

What is consistant with femoral nerve

A

walking up stairs, high kick, sitting down

45
Q

Hamstring part of adductor magnus

A

O: ischial, I lengh of linea aspira and medial supercondylar line, A: extends thigh

46
Q

Medial compartment

A

adductor of thigh, stabilize stance and correct lateral sway of trunk, originate at anterioinferior surface of pelvis, insert on linea aspira of femur

47
Q

parts of medial compartment

A

adductor longus, adductor brevis, adductor magnus, gracilius, obturator externus

48
Q

adductor longus

A

most anteroiorly placed, O: pubis just inferior to pubic tubercle, I: linea aspira anterior to add brevis and add magnus, A: adducts thigh

49
Q

Adductor brevis

A

Lies deep to pectineus and adductor….

50
Q

posterior thigh contains

A

Semitendinosis, Semimembranosis, Biceps femoris

51
Q

Adductor magnus

A

largest and most posteriorly; has adductor and hamstring part that differ in actions and innervation

52
Q

adductor part of adductor magnus

A

O inferior ramus of pubis, I length of linea aspira and medial supercondular line, adducts thigh, flexes thigh

53
Q

Hamstring part of adductor magnus

A

O: ischial, I lengh of linea aspira and medial supercondylar ridge….

54
Q

Gracilis

A

most superficial and medially placed, crosses both hip and knee, stabilizer; o: inferior ramus of pubis, I: pes anserinus on medial tibia, A: adducts thigh flexes leg, medially rotates

55
Q

Pes anserinus

A

sartorieus, gracils, semitendinosus insert at medial face of tibia

56
Q

obturator externus

A

one of two muscles that sandwich the obturator foramin; O: margin of obturator foramen and membrane, I: posterior aspect of greater trochanter, A: laterally rotates thigh, steadies head of femur at acetabulum

57
Q

Posterior thigh

A

Extensors of hip and flexor of knee, originate from iscial tuberosity

58
Q

posterior thigh contains

A

59
Q

Semitendinosis

A

O: ischial tuberosity, I: medial surface of tibia, A: extend thigh, flex leg, rotate medially, extend trunk

60
Q

Biceps femoris

A

O: long head, ischial tuberosity, short head,

61
Q

deep fascia of the leg is called

A

fascia lata