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Locomotor > Nerves & Vessels of the Lower Limb > Flashcards

Nerves & Vessels of the Lower Limb Flashcards

1
Q

What are the rami that conform the lumbar plexus?

A

L1-L4

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2
Q

all the nerves of the lumbar plexus can be organised in regards to a muscle, this is.

A

Psoas Major

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3
Q

What Nerves come off the lateral border of psoas major in defending order?

A

Inguinal and Iliohypogastric Nerve (1)
Lateral Cutaneous Nerve of Thigh (2,3)
Femoral Nerve (2-4)

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4
Q

from the anterior surface of psoas muscle what nerve comes off?

A

Genitofemoral Nerve (1-2)

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5
Q

From the medial muscle of posts major comes what nerve?

A

Obturator Nerve (2-4)

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6
Q

what is the main function of the iliohypogastric nerve and the inguinal nerve?

A

Sensory supply to the skin of the inguinal canal and the scrotum
Motor to the lower fibres of the internal oblique and transversus abdominal

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7
Q

what supplies Lateral Cutaneous Nerve of Thigh and when can this cause pins and needles?

A

lateral surface of the thigh

pregnancy and ñoño

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8
Q

the genitofemoral nerve is 2 nerves in one sheath and their function is…

A 
Genito Branch (spermatic cord and cremasteric muscle)
Femoral Branch (area of the skin underneath the inguinal canal and scrotum)
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9
Q

what are the rami that conform the sacral plexus?

A

S1-4

with the lumbosacral trunk (L4-5)

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10
Q

what is the nerve of the anterior compartment of the thigh? what muscle does it NOT supply?

A

Femoral Nerve

Psoas Major

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11
Q

what is the sensory supply of the Femoral Nerve? distally via which branch?

A

all the antero-medial side of the lower limb (only medial side from one palm above ankle)
NO –> one palm above medial knee
From the knee down is via the Saphenous nerve

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12
Q

What are that main nerves that supply the anterior skin of the thigh?

A

Genitofemoral Nerve
Femoral Never
Lateral Cutaneous Nerve Of thigh
Obturator Nerve

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13
Q

What muscles are supplied by the obturator nerve?

how many division does it got?

A

Aductor longus
Adductor Brevis (2, 1Above)
Adductor Magnus
Gracilis

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14
Q

what are the relevant rami that make up the Sciatic Nerve?

A

L4,5

S1-3

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15
Q

What nerves are contained within the sheath of the Sciatic Nerve?

A

Tibial Nerve

Common Fibular Nerve

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16
Q

what nerve comes out in the gluteal region above piriformis and what does it supply?

A

Superior Gluteal nerve

For Gm and gm

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17
Q

what nerve comes out in the gluteal region bellow piriformis and what does it supply?

A

Inferior Gluteal Nerve (GM)
Sciatic Nerve
Posterior Cutaneous Nerve of Thigh (Hamstrings. X Short Head of Biceps)

18
Q

what is in direct relationship (posteriorly) to the hip joint

A

Sciatic Nerve

Injured in A-P dislocations

19
Q

what nerve supplies the short head of biceps?

A

Common Fibular Nerve

20
Q

what is the main function of the tibial muscle?

Sensory supply?

A

all posterior muscles of the leg and the sole of the foot
Travels down sandwiched between superficial and deep muscles
[posterio-lateral leg {rural nerve} and sole of the foot {plantar and calcaneal nerves}]

21
Q

in the foot the tibial nerve gives its terminal branches what is its trajectory?

A

from the medial side of the foot to the lateral side

Lateral and medial plantar nerves

22
Q

where does the common fibular nerve gives off its branches and what are them?

A

At the levels of Fibularis Longus
Deep Fibular nerve
Superficial Fibular Nerve

23
Q

The Deep Fibular nerve gives supply to
1 motor
2 sensory

A

1 Anterior Compartment, Extensor Digitorium Brevis

2 First toe cleft

24
Q

The superficial Fibular nerve gives supply to
1 motor
2 sensory

A

1 Lateral Compartment , Fibularis longus and Brevis

2 lateral leg and dorm of foot

25
Q

What is the main artery of the lower limb?

A

Femoral Artery

26
Q

the most important branch of the Femoral Artery is?

A

Profunda Femoral Artery
(stays in the anterior compartment anterolaterally to the femur and gives penetrating arteries for the posterior compartment via the holes in adductor magnus)

27
Q

when does the femoral artery becomes the popliteal artery?

A

when it goes into the posterior compartment via the adductor hiatus

28
Q

where does the popliteal artery divides into its terminal branches? what are they?

A

inferior border of populates

Anterior and Posterior Tibial

29
Q

What are the 3 main compartments of the femoral sheath and what travels in each of them?

A

Lateral (femoral artery, genital branch of genitofemoral)
Intermediate (femoral vein)
Medial (lymph nodes allows for expansion of femoral vein)

30
Q

the femoral nerve is part of the femoral canal T/F

A

F, is lateral to it

31
Q

what is the entrance to the femoral sheath? limits

A

The femoral Ring
□ Laterally is the Femoral nerve
□ Medially is the lacunar ligament
□ Anteriorly is the inguinal ligament
□ Behind is the pectineus muscle
□ Bowel can herniate through the ring and cause a femoral hernia (needs to be surgically repaired, high chance of strangulation)

32
Q

what are the contents of the popliteal fossa?

A

popliteal artery
popliteal vein
sciatic nerve and terminal branches

33
Q

what is the artery of the anterior compartment?

A

Anterior Tibial Artery

34
Q

Artery of the posterior compartment?

A

Posterior tibial artery

35
Q

what is the name of the artery contained in the extensor retinaculum? it is a branch of?

A

Dorsalis pedis

Anterior Tibial

36
Q

what is the artery contained in the flexor retinaculum? where is the flexor retinaculum located?

A

Behind the medial malleolus

Posterior Tibial Artery

37
Q

what is the vicious cycle in compartment syndrome? what is the treatment?

A

oedema–> increased pressure –> decreased blood flow –> ischaemia
2 incision fasciotomy

38
Q

what are the 2 main systems for draining of the lower limb?

A

Superficial (Great Saphenous Vein, Short Saphenous Vein)

Deep (Venae Commitantes)

39
Q

where does the GSV drains to and via what?

A

into the Femoral Vein via the saphenous opening

40
Q

the popliteal vein is formed by what arteries? where?

A

Short Saphenous Vein + Venae commitantes

Popliteal Fossa

Locomotor (20 decks)

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