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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
Obturator Internus Origin
Obturator Foramen
26
Obturator Internus Insertion
Greater Trochanter
27
Obturator Internus Insertion
Greater Trochanter
28
Obturator Internus Movement
External Rotation THigh
29
Sup/Inf Gemelli Movement
External Rotate Thigh
30
Sup/Inf Gemelli Insertion
Greater Trochanetr
31
Sup/Inf Gemelli Origin
Ischium
32
Quadratus Femoris Origin
Ischial Tuberosity
33
Quadratus Femoris Insertion
Quadrate Tubercle (on intertrochanteric crest)
34
Quadratus Femoris Movement
External ROtate Thigh
35
Biceps Femoris Origin
Long Head = Ischial Tuberosity Short Head = Linea Aspera
36
Biceps Femoris Insertion
Fibular Head
37
Biceps Femoris Action
Flex / external rotates leg Extends thigh
38
Biceps Femoris Nerve
Sciatic - Long Head = Tibial - Short Head = Peroneal
39
Semiten/semimem Origin
Ischial Tuberosity
40
Semiten/semimem Axtion
Flex / internal rotate leg Extend thigh
41
Semiten/semimem nerve
Tibial (sciatic )
42
Semiten Insertion
PES Anserinus
43
Semimem Insertion
TIbia Medial Condyle
44
Adductor Magnus Origin
Hamstring = Ischial Tuberosity Adductor = Pubic Ramus
45
Adductor Magnus Insertion
Linea Aspera
46
Adductor Magnus Action
Adducts THigh Flex / ext thigh by different fibres
47
Adductor Magnus Innervation
Adductor. Obturator Hamstring = Tibial (sciatic)
48
Hamstring Muscles
Biceps Femoris Semiten Semimem Adductor Magnus
49
What is the gluteal landmark for vessels
Piriformis
50
Arteries / nerves above Piriformis
Superior GLuteal
51
Arteries and nerves below Piriformis
Inferior Glutreal
52
Pudendal Nerve Pathway
Leaves greater sciatic foramen and re-enters via lesser sciatic foramen
53
Posterior Cutaneus Nerve of the thigh pathway
Medial to Sciatic nerve
54
Sciatic Nerve Roots
L4-S3
55
Gluteal Arteries branch from
Internal Ilaic
56
Gluteal Injections Where and Why
Superior lateral = far from sciatic nerve
57
Trendelenburg Gait Cause
Injury to GLuteus Medius (or Sup GLut Nevre)
58
Trendelenburg Gait Symtpom
“Sound side sags” ie the normal side will be below the injured gluteus medius side
59
Why are hamstring injuries often just left alone
Hard surgery as so many nerves near the ischial tuberosity

MBChB221 Musculoskeletal (26 decks)

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