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Gross Anatomy I Lower extremity > Pelvic region > Flashcards

Pelvic region Flashcards

1
Q

The primary functions of the lower extremity are:**

A
  1. Support the weight of your body
  2. Provide a stable foundation when you stand
  3. Allow locomotion like running and walking
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2
Q

What articulates with the innominate bone?

A

sacrum, femur, and the other innominate bone

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3
Q

Each innominate bone consists of three parts, what are they?

A

Ilium, ischium and pubis

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4
Q

What receives the head of the femur to form the hip joint?

A

Acetabulum

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5
Q

Horse shoe shaped articular surface is the ?

A

Lunar surface

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6
Q

what is the rough non-articular center portion of the acetabulum?

A

acetabular fossa

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7
Q

outside edge of the acetabulum

A

acetabular rim

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8
Q

inferior opening of the acetabular rim

A

acetabular notch

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9
Q

acetabular notch (which is bridged by a piece of connective tissue known as the

A

transverse acetabular

ligament

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10
Q

largest and uppermost portion of the PELVIC BONE

A

Ilium

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11
Q

three oblique lines on the external or

lateral surface of the ilium and they indicate the bony origins of the gluteal muscles

A

anterior, posterior and inferior gluteal lines

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12
Q

internal or medial surface of the ilium is known as the

A

iliac fossa

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13
Q

posterior to the iliac fossa are two distinct areas—the most superior of these is known as the

A

iliac

tuberosity (an area where ligaments attach)

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14
Q

posterior to the iliac fossa are two distinct areas—the more inferior of these surfaces

A

aurticular surface

where each innominate articulates with the sacrum

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15
Q

inferior to the iliac fossa is a curved line that marks the boundary between the
major or false pelvis from the minor or true pelvis

A

arcuate line

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16
Q

The arcuate line from each innominate forms what is

known as the

A

pelvic brim

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17
Q

the superior border of the ilium is known as the

A

iliac crest

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18
Q

the superior border of the ilium is known as the iliac crest, which terminates anteriorly as the

A

anterior

superior iliac spine and the anterior inferior iliac spine

19
Q

the superior border of the ilium is known as the iliac crest, the crest terminates posteriorly as the

A

posterior

superior iliac spine and the posterior inferior iliac spine

20
Q

a distinct bump that is found on the lateral most aspect of the iliac crest

A

iliac tubercle

21
Q

just inferior to the posterior inferior iliac spine is a deep notch known as the…..

A

greater sciatic notch

22
Q

an “L” shaped bone which consists of a body and ramus

A

Ischium

23
Q

portion of the ischium that enters into the formation of the acetabulum

A

The Body

24
Q

small projection of the ischium body is known as the

A

ischial spine

25
Q

small notch just below the ischial spine

A

lesser sciatic notch

26
Q

inferior to the lesser sciatic notch is a large roughened area that bears the weight of the body when sitting. (the hamstring muscles
originate from this tuberosity)

A

the ischial tuberosity

27
Q

What is the most inferior portion of the ischium?**

A

Ramus

28
Q

consists of a body and two rami

A

Pubis

29
Q

the medial body (of the pubis) consists of the…..

A 
symphyseal surface (pubis symphysis) which articulates with the pubis
from the opposite innominate
30
Q

the superior aspect of the pubis body

A

pubic tubercle

31
Q

a line going from the pubic

tubercle to the symphyseal surface

A

pubic crest

32
Q

superior ramus is above the body of the pubis and terminates as the

A

iliopubic eminence

33
Q

prominent ridge on the superior ramus of the pubis is the

A

pubic pecten

34
Q

extends posterior and inferior from the body of the pubis to join the ramus of the ischium

A

inferior ramus

35
Q

large oval opening found at the inferior aspect of each innominate

A

Obturator Foramen

36
Q

an indentation found at the superior anterior border of the Obturator Foramen

A

obturator groove

37
Q

The Obturator Forman is closed by a piece of connective tissue known as the**

A

Obturator membrane

38
Q

What is bounded posteriorly by the lumbar vertebrae, laterally by the ilium and anterior by the abdominal wall? it helps to support and protect much of the abdominal viscera**

A

False (major) pelvis

39
Q

What is bounded posteriorly by the sacrum and coccyx, laterally and anteriorly by the ilium, ischium and pubis? This portion surrounds the birth canal in females**

A

True (minor pelvis)

40
Q

Functions of the Pelvic Bone**

A
  1. Protect pelvic viscera
  2. Transmit body weight to the limbs and absorb the stresses of muscular activity
  3. allow locomotion by causing pelvic bone to swing from side to side
  4. In the female, provides the bony support for the birth canal
41
Q

a common painful contusion injury of the soft tissue associated with the iliac crest

They are very common in contact sports and usually result in a painful hematoma in the area of the injury

A

Hip pointers

42
Q

can result from direct trauma to the bone (i.e. automobile accidents) or can be caused by
forces transmitted to the bone during a fall on the feet or knees

A

Fractures of the Pelvis

43
Q

features of the Pelvic bone that are most prone to fracture include the:

A

pubic rami, acetabulum (or the

area immediately surrounding it), region of the sacroiliac joint and the most lateral aspect of the ilium

44
Q

􀁸 from three primary centers (one each for the ilium, ischium and pubis)
􀁸 five secondary centers (one each for the iliac crest, anterior inferior iliac spine, ischial tuberosity, pubis
symphysis and center of the acetabulum
􀁸 bone completes its ossification between 20 and 22 years of age

A

Ossification of the Pelvic Bone

Gross Anatomy I Lower extremity (14 decks)

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