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MBChB221 Musculoskeletal > Posterior Thigh + Gluteal Region > Flashcards

Posterior Thigh + Gluteal Region Flashcards

1
Q

Gluteal Region Boundaries

A

Anterior = Pelvis
Superior = Iliac Crests
Inferior = Gluteal Sulcus

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2
Q

ASIS is in the same plane as

A

Pubic symphysis

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3
Q

Hole Between ischium and pubis

A

Obturator Foramen

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4
Q

Sacrospinous Ligament connects

A

Sacrum to ischial spine
Very strong

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5
Q

Sacrotuberous ligament connects

A

Sacrum to ischial tuberosity
Very strong

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6
Q

Sacrotuberous ligament is continous with the ____ ligament

A

Posterior sacroiliac

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7
Q

Sciatic notch split into __________ by the ________

A

Greater and lesser sciatic foramina, by the posterior sacroiliac ligament (continous with Sacrotuberous) and sacrospinous ligament

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8
Q

Greater Sciatic Foramen passage

A

All vessels and nerves out from the pelvis into gluteal region (eg. Sciatic nerve)

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9
Q

Lesser Sciatic Foramen contents

A

Neurovascular Structures to the perineum

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10
Q

Gluteus Maximus Origin

A

Ilium, Sacrotuberous ligament

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11
Q

Gluteus Maximus Insertion

A

Gluteal Tuberosity of Femur via Iliotibial band

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12
Q

Gluteus Maximus Nerve

A

Inferior Gluteal

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13
Q

Gluteal Maximus Movement

A

Extends Thigh (sitting -> standing)

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14
Q

Gluteus Medius / Minimus Origin

A

Ilium

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15
Q

Gluteus Medius / Minimus Nerve

A

Superior Gluteal

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16
Q

Gluteus Medius / Minimum Insertion

A

Greater Trochanter

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17
Q

Gluteus Medius / Minimus Movement

A

Stabilisers when walking - abductors thigh

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18
Q

Tensor Fascia Lata Origin

A

ASIS

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19
Q

Tensor Fascia Lata Insertion

A

Iliotibial Band

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20
Q

Tensor Fascia Lata Movement

A

Stabiliser - abducts thigh

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21
Q

Tensor Fascia Lata Nerve

A

Superior GLuteal

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22
Q

Piriformis Origin

A

Sacrotuberous Ligament

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23
Q

Piriformis Insertion

A

Greater Trochanter

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24
Q

Piriformis Movement

A

External Rotation THigh

25
Q

Obturator Internus Origin

A

Obturator Foramen

26
Q

Obturator Internus Insertion

A

Greater Trochanter

27
Q

Obturator Internus Insertion

A

Greater Trochanter

28
Q

Obturator Internus Movement

A

External Rotation THigh

29
Q

Sup/Inf Gemelli Movement

A

External Rotate Thigh

30
Q

Sup/Inf Gemelli Insertion

A

Greater Trochanetr

31
Q

Sup/Inf Gemelli Origin

A

Ischium

32
Q

Quadratus Femoris Origin

A

Ischial Tuberosity

33
Q

Quadratus Femoris Insertion

A

Quadrate Tubercle (on intertrochanteric crest)

34
Q

Quadratus Femoris Movement

A

External ROtate Thigh

35
Q

Biceps Femoris Origin

A

Long Head = Ischial Tuberosity
Short Head = Linea Aspera

36
Q

Biceps Femoris Insertion

A

Fibular Head

37
Q

Biceps Femoris Action

A

Flex / external rotates leg
Extends thigh

38
Q

Biceps Femoris Nerve

A

Sciatic
- Long Head = Tibial
- Short Head = Peroneal

39
Q

Semiten/semimem Origin

A

Ischial Tuberosity

40
Q

Semiten/semimem Axtion

A

Flex / internal rotate leg
Extend thigh

41
Q

Semiten/semimem nerve

A

Tibial (sciatic )

42
Q

Semiten Insertion

A

PES Anserinus

43
Q

Semimem Insertion

A

TIbia Medial Condyle

44
Q

Adductor Magnus Origin

A

Hamstring = Ischial Tuberosity
Adductor = Pubic Ramus

45
Q

Adductor Magnus Insertion

A

Linea Aspera

46
Q

Adductor Magnus Action

A

Adducts THigh

Flex / ext thigh by different fibres

47
Q

Adductor Magnus Innervation

A

Adductor. Obturator
Hamstring = Tibial (sciatic)

48
Q

Hamstring Muscles

A

Biceps Femoris
Semiten
Semimem
Adductor Magnus

49
Q

What is the gluteal landmark for vessels

A

Piriformis

50
Q

Arteries / nerves above Piriformis

A

Superior GLuteal

51
Q

Arteries and nerves below Piriformis

A

Inferior Glutreal

52
Q

Pudendal Nerve Pathway

A

Leaves greater sciatic foramen and re-enters via lesser sciatic foramen

53
Q

Posterior Cutaneus Nerve of the thigh pathway

A

Medial to Sciatic nerve

54
Q

Sciatic Nerve Roots

A

L4-S3

55
Q

Gluteal Arteries branch from

A

Internal Ilaic

56
Q

Gluteal Injections Where and Why

A

Superior lateral = far from sciatic nerve

57
Q

Trendelenburg Gait Cause

A

Injury to GLuteus Medius (or Sup GLut Nevre)

58
Q

Trendelenburg Gait Symtpom

A

“Sound side sags” ie the normal side will be below the injured gluteus medius side

59
Q

Why are hamstring injuries often just left alone

A

Hard surgery as so many nerves near the ischial tuberosity

MBChB221 Musculoskeletal (26 decks)

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