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MSK 1!!! > Femoral Triangle (No OIAN) > Flashcards

Femoral Triangle (No OIAN) Flashcards

1
Q

borders of the femoral triangle

A 
lateral- sartorius
medial - adductor longus 
medial floor pectinous 
lateral floor - iliopsoas 
base - inguinal ligament
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2
Q

what part of the femoral neurovasculature is not in the femoral sheath

A

femoral nerve

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3
Q

femoral ring vs canal

A

femoral ring = proximal opening of the femoral canal (entrance to abdomen)
canal is the space that holds the lymph nodes

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4
Q

distal (vertical) lymph nodes

A

run along side great saphenous vein

pass deep to inguinal ligament into exteranal iliac lymph nodes

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5
Q

proximal (horizontal) lymph nodes

A

inferior to inguinal ligament

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6
Q

what muscles does the femoral nerve innervate

A

anterior compartment

iliac, sartorius, quadriceps femoris, pectinIius

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7
Q

cutaneous innervation superior lateral portion of thigh

A

lateral femoral cutaneous

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8
Q

cutaneous innervation medial anterior portion of thigh

A

cutaneous branches of femoral

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9
Q

terminal branch of femoral nerve

A

saphenous nerve

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10
Q

what does the saphenous nerve innervate

A

cutaneous innervation for the anterior and medial portions of the leg

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11
Q

neuralgia paresthetic

A

compression of lateral femoral cutaneous nerve as it passes under the inguinal ligament
causes pain along lateral thigh

police officers often get it

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12
Q

what travels with the great saphenous vein

A

saphenous nerve

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13
Q

pathway of the saphenous nerve

A

travels in the adductor canal (does NOT pass through hiatus)

joins great saphenous vein to go down anterior portion of the leg

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14
Q

what vessel can be cannulated to visualize left heart and coronary vessels

A

femoral artery

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15
Q

profunda femoris

A

main anterial supply to the thigh

largest branch of femoral

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16
Q

medial circumflex femoral artery

A

main supply femoral head and neck

passes between iliopsoas and pectinous (goes to posterior thigh)

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17
Q

lateral circumflex femoral artery

A

supplies lateral thigh and femur head

3 branches - ascending, transverse, descending

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18
Q

which vessel can be used to administer drugs or for coronary bypass surgery?

A

great saphenous vein

19
Q

what can accidentally get cut when making an incision for the great saphenous vein?

consequence?

A

saphenous nerve

pain along anterior and medial portion of leg

20
Q

westphal’s sign

A

absent or decreased patellar reflex

21
Q

patellar reflex

A

tests function of femoral nerve

L2-L4

22
Q

calcanea tendon reflex

A

tests S1 and S2

nerve root cut- ankle reflex virtually absent

23
Q

muscles that attach to pes anserinus

A

sartorius
semiTENDinosus
gracilis

24
Q

osgood-schlatter disease

A

quads pull on the tendon that connects the kneecap to shin bone

tendon pulls away from shin bone

lots of pain and swelling, can cause bony numb

25
Q

groin pull

A

at the junction between the trunk and thigh

strain/tearing of proximal attachments of thigh adductor/flexor muscles

have a pull between abdominal and leg muscles

26
Q

anterior thigh compartment - function/innervation

A

extension of knee , flexion ofthigh

femoral nerve

27
Q

medial thigh compartment - function/innervation

A

adduction of thigh

obturator n

28
Q

posterior thigh compartment - function/innervation

A

flexion of knee, extension of thigh

sciatic nerve

29
Q

what fibers transmit pain from the synovium

A

unmyelinated C fibers (nociceptive)

induced by prostaglandin E2

30
Q

ACL - O/I

A

from anterior part of intercondylar area of tibia to the lateral surface of medial condyle of femur

31
Q

when is the ACL taut

A

taut when leg is extended

32
Q

What does the ACL prevent

A

prevents posterior displacement of femur and anterior displacement of tibia

33
Q

anterior drawer sign

A

pull the tibia forward when the knee is flexed

it should not displace on the femur (it will if ACL is torn)

34
Q

PCL O/I

A

from posterior part of intercondylar area of tibia to the lateral surface of medial condyle of femur

35
Q

when is PCL taut

A

taut when leg is flexed

36
Q

what does the PCL prevent?

A

prevents the femur from sliding anteriorly on the tibia

37
Q

posterior drawer sign

A

push the tibia inward while the knee is flexed

it should not displace on femur- if it does PCL is torn

38
Q

which part of the menisci is thicker?

A

external margin (internal margin is thinner and not attached to joint capsule)

39
Q

what jones the menisci of the knee together?

A

transverse ligament of the knee

40
Q

medial meniscus attachment to PCL

A

posterior horn of the medial meniscus

41
Q

lateral meniscus attachment to PCL

A

posterior meniscofemoral ligament

42
Q

unhappy triad odonaheu

A

medial meniscus + ACL + MCL

lateral blow to knee while foot is flexed on the ground

43
Q

unhappy triad (modern)

A

lateral meniscus + ACL + MCL

MSK 1!!! (10 decks)

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