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MRCS - Anatomy > LL: Gluteal region > Flashcards

LL: Gluteal region Flashcards

1
Q

Pelvis bony anatomy

A
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2
Q

Femoral triangle borders

A

Inguinal ligament

Sartorius

Adductor longus

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3
Q

Floor of femoral triangle

A
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4
Q

Roof of femoral triangle

A

fascia lata

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5
Q

Structures in femoral triangle

A

Medial to lateral VAN

Lymphatics

Femoral vein

Femoral artery

Femoral nerve

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6
Q

Femoral canal content

A

Lymphatics

Cloquet’s lymph node

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7
Q

Femoral sheath

A

Covers femoral artery vein and femoral canal

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8
Q

Femoral canal borders

A

Anterior: inguinal ligament

Lateral: femoral vein

Medial: lacunar ligament

Posterior: Pectineal ligament

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9
Q

Clinical significance of femoral canal

A

Femoral hernias strangulate in this space

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10
Q

Deep muscles of gluteal region

A
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11
Q

Origin and insertion of piriformis

A

Anterior surface of sacrum

Greater trochanter

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12
Q

Origin and insertion of obturator internus

A

Internal surface of obturator foramen

Greater trochanter

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13
Q

Gemillus superior origin and insertion

A

External surface of ischial spine

Greater trochanter

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14
Q

Gemillus inferior origin and insertion

A

Ischial tuborisity

Greater trochanter

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15
Q

Quadratus femoris origin and insertion

A

Anterior to ischial tuboresity

Intertrochanteric crest

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16
Q

Function of piriformis

A

Lateral rotation/abduction

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17
Q

Function of obturator internus

A

Lateral rotation/abduction of hip

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18
Q

Gemillus superior function

A

Lateral rotation/abduction

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19
Q

Gemillus inferior function

A

Lateral rotation/abduction

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20
Q

Quadratus femoris function

A

Laterally rotates hip

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21
Q

Gluteus minimus origin and insertion

A

Inferior and anterior gluteal lines

Greater trochanter

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22
Q

Gluteus medius origin and insertion

A

Anterior and posterior gluteal lines

Greater trochanter

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23
Q

Gluteal maximus origin and insertion

A

Posterior gluteal line/ fascia covering gluteus medius

iliotibial tract of fascia lata and gluteal tuberosity

24
Q

Tensor fasciae latae origin and insertion

A

Lateral ilial crest

Iliotibial tract

25
Q

Gluteus minimus and medius function

A

abduct femur

26
Q

Gluteus maximus function

A

Hip extension

Lateral rotation/abduction

27
Q

Tensor fasciae latae function

A

Stabilises knee extension

28
Q

Innervation of piriformis

A

L5 S1 S2

29
Q

Innervation of obturator internus

A

Nerve to obturator internus

30
Q

Innervation of gemellus superior

A

Obturator internus

31
Q

Innervation of gemellus inferior

A

Nerve to quadratus femoris

32
Q

Innervation of tensor fasciae latae

A

Superior gluteal nerve

33
Q

Innervation of gluteaus medius and minimus

A

Superior gluteal nerve

34
Q

Innervation of gluteus maximus

A

Inferior gluteal nerve

35
Q

Structures through the greater sciatic foramen below piriformis

A

SNIP NIP

Sciatic nerve

Nerve to obturator internus

Internal pudendal artery and vein

Pudendal nerve

Nerve to quadratus femoris

Inferior gluteal artery, vein and nerve

Posterior cutanous nerve

36
Q

Structures through the greater sciatic foramen above piriformis

A

Superior gluteal nerve artery and vein

37
Q

Structures through lesser sciatic foramen

A

Obturator internus tendon

Pudendal nerve and internal pudendal vessels

38
Q

Structures through obturator canal

A

Obturator nerve

Obturator vessels

39
Q

Structures through gap between inguinal ligament and pelvis

A

Muscles: psoas major, illiacus, pectineus

Vessels: femoral A+V,

Nerves: femoral nerve, femoral branch of genitofemoral, lateral cutanous nerve of the thigh

40
Q

Nerves of gluteal region

A
41
Q

Arteries of hip

A

External iliac -> profunda femoris -> medial, lateral circumflex femoral arteries, ascending 1st perforator

Internal iliac -> gluteal arteries

Obturator artery to head of femur

42
Q

Trochanteric anastemosis

A

Inferior and superior gluteal arteries

Medial and lateral circumflex arteries

43
Q

Cruciate anastemosis

A
44
Q

Veins of lower leg

A
45
Q

Lymphatics of lower leg

A

Superficial inguinal

Deep inguinal

Popliteal nodes

46
Q

What does deep inguinal node drain

A

femoral vessels

glans of penis/clitoris

47
Q

What does superficial inguinal node drain

A

gluteal region

perineum

lower abdo

48
Q

Lower limb dermatomes

A
49
Q

Lower limb myotomes

A
50
Q

Pudendal canal location

A

Within the obturator internus fascia

51
Q

Pudendal canal aka

A

Aclocks canal

52
Q

Pudendal canal content

A

Pudendal artery, nerve, vein

53
Q

Structures passing through greater/lesser sciatic foramen

A

Pudendal nerve

Internal pudendal artery

Nerve to obturator

54
Q

Sciatic nerve root

A

L4 - S3

55
Q

Femoral nerve root

A

L2-4

56
Q

Sciatic nerve course

A
57
Q

Arterial supply of gluteus maximus vs medius

A

Max= inferior gluteal artery

Min= superior gluteal artery

MRCS - Anatomy (23 decks)

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