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Anatomy > Pelvis And Hip > Flashcards

Pelvis And Hip Flashcards

1
Q

4 bones of the pelvis

A

2 hip
Sacrum
Coccyx

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2
Q

Pelvic brim boundaries

A

Posteriorly: Sacral promontory
Laterally: Ileopectineal lines
Anteriorly: Symphysis pubis

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3
Q

Divides pelvis into greater/false pelvis above and true/lesser pelvis below

A

Linea terminalis

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4
Q

Most important conjugate

Reflective of the narrowest portion (10.5 cm)

A

Obstetric conjugate

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5
Q

Diagnosed or measured by clinical pelvimetry

A

Diagonal conjugate

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6
Q

True pelvis or OUTLET composed of:

A

posteriorly: coccyx
laterally: ischial tuberosity
anteriorly: pubic arch

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7
Q

Conjugate diameter measures

A

Pelvic inlet

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8
Q

Ligaments of the true pelvis that divides sciatic notch into greater and lesser sciatic foramen

A

Sacrotuberous lig

Sacrospinous ligament

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9
Q 
Shallow false pelvis
Heart shaped inlet due to promontory
Cramped cavity
Smaller outlet due to turned ischial tuberosity
Longer, narrower and less flat sacrum
Less rounded and narrower pubic arch
A

Male pelvis

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10
Q

Deep false pelvis
Transversely oval pelvic inlet
Roomier pelvic cavity with shorter distance between inlet and outlet
Larger outlet with ischial tuberosity eversion
Shorter, wider, flatter sacrum
Rounded, wider pubic arch

A

Female pelvis

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11
Q

Pelvis that favors childbirth

A

Gynecoid

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12
Q

Strong synovial joint

Supported by an anterior, posterior and interosseous ligament

Transmits weight of body from vertebral column to bony pelvis

A

Sacroiliac joint

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13
Q

Nerve supply of pelvis

A

Sacral plexus from T12-L5

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14
Q

Cartilagenous joint between two pubic bones

Articular surface is covered by a hyaline cartilage
and joint surrounded by ligaments

No movement permitted

A

Symphysis pubis

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15
Q

The symphysis pubis is connected by

A

fibrocartilagenous discs

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16
Q

Cartilagenous joint between sacrum and coccyx
Permits great deal of movement
Ligaments RELAXED during pregnancy

A

Sacrococcxygeal joint

17
Q

Fibrous sheet that closes obturator foramen

A

Obturator membrane

18
Q

Obturator foramen contents

A

Obturator nerves and vessels
Pudendal artery
Pudendal veins
Pudendal nerve

19
Q

Obturator canal aka

A

Alcocks

Pudendal canal

20
Q

Pudendal block palpate the

A

Ischial tuberosity

21
Q

Lateral part of sacrum and coccyx and PIIS to ischial tuberosity

prevents lower end of sacrum from being rotated by the body

A

Sacrotuberous ligament

22
Q

Triangular shaped
Base from lateral part of sacrum and coccyx
Apex from spine of ischium

Prevents lower end of sacrum from being rotated by body

A

Sacrospinous ligament

23
Q

Avulsion fracture at ASIS comes from strong pull of

A

Sartorius

24
Q

Avulsion fracture of AIIS comes from strong pull of

A

rectus femoris

25
Q

Avulsion fracture at ischial tuberosity results from strong pull of

A

Hamstring muscles

26
Q

Avulsion fracture of lesser trochanter comes from strong pull of

A

iliopsoas

27
Q

Most common direction of hip dislocation

A

Posterior

28
Q

Iliofemoral ligament limits this movement

A

Hip extension

29
Q

Ischiofemoral ligament limits this movement

A

Internal rotation

Extension

30
Q

Pubofemoral ligament limits this movement

A

Abduction

Extension

31
Q

Ligament at head of femur limits this movement

A

Hip adduction

32
Q

Contents of greater sciatic foramen

A 
7:
Piriformis
Sciatic nerve
Gluteal nerves and vessels, Superior and Inferior
Pudendal nerves and vessels
Posterior femoral cutaneous nerve
Nerve to obturator internus
Nerve to quadratus femoris
33
Q

Contents of lesser sciatic foramen

A

Obturator internus
Nerve to obturator internus
Pudendal and internal pudendal nerves and vessels

34
Q

Action of obturator externus

A

Extrernal rotation

Adduction

35
Q

Obturator internus inserts at

A

Trochanteric fossa

36
Q

Oburator internus inn

A

Obturator n L3-L4

37
Q

Trendelenburg sign indicates weakness of

Sagging of contralateral leg with the other in standing

A

Gluteus medius
Gluteus minimus
Superior gluteal nerve L5, S1, S2

Anatomy (13 decks)

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