Anatomy 4 Part 2

Question 1

Which the girdle is more stable and it provides less freedom of movement

Shoulder or pelvic girdle ?

Answer 1

Pelvic Girdle

Question 2

Ligaments of Sacroiliac joints

Answer 2

Anterior and Posterior Sacroiliac

Question 3

Types of these joint

Sacroiliac joints

Sacrococcygeal joint

symphysis pubis

Answer 3

synovial

Secondary cartilaginous

Secondary cartilaginous

Question 4

Types of ligaments support these joints

Sacroiliac joints

Sacrococcygeal joint

symphysis pubis

Answer 4

Anterior and posterior

Anterior and posterior

Inferior and superior

Question 5

Iliac crest begins at the………. superior iliac spine and ends at the……… superior iliac spine.

Answer 5

anterior

posterior

Question 6

The lateral posterior surface of the ilium has 3 rough curved lines called

Answer 6

posterior, anterior, and inferior gluteal lines

Question 7

Ischium

Answer 7

L shaped, possessing an upper thicker part, the body, and a lower thinner part, the ramus.

Question 8

ischiopubic ramus.

Answer 8

Lower thinner Ischial ramus joins the inferior ramus of the pubis

Question 9

The ischial spine

Answer 9

The ischial spine projects from the posterior border of the ischium. It intervenes between greater and lesser sciatic notches.

Question 10

The ischial tuberosity

Answer 10

rough bony projection at the junction of the inferior end of the body of the ischium and its ramus.
Lower thinner ramus and upper thicker body

Question 11

WHAT ARE THE BORDERS OF PELVIC INLET?

WHAT ABOUT THE PELVIC OUTLET?

Answer 11

The junction between the greater and lesser pelvis is known as pelvic inlet. The outer bony edges of the pelvic inlet are called the pelvic brim.

• Anteriorly: Symphysis pubis.
• Lateral: Iliopectineal (arcuate) lines.
• Posteriorly: Promontry and ala of sacrum.

Pelvic Outlet
Pelvic outlet is located at the end of lesser pelvis, and is covered by the pelvic diaphragm. Its borders are:
• Posterior: Tip of the coccyx.
• Lateral: Ischial tuberosities.
• Anterior: Pubic arch.

Question 12

Type of hip joint

Answer 12

Ball-and-Socket synovial joint

Question 13

the Acetabular Labrum

Answer 13

Fibrocartilaginous ring deepens the acetabulum.

Question 14

It is for Stability and Weight-bearing (No large movement range).

Answer 14

Hip joint

Question 15

WHAT ARE ATTACHMENTS OF JOINT CAPSULE?

Answer 15

• Anteriorly:
a. Proximally: bone surrounding the acetabulum.
b. Distally: Inter-trochanteric line.
• Posteriorly:
a. Proximally: Margins of Acetab

Question 16

What the fibers of the capsule has?

Answer 16

Longitudinal fibers and Circular (Zona Orbicularis) fibers.

Question 17

WHAT ARE LIGAMENTS OF THE HIP JOINT?

Answer 17

. Iliofemoral: arises from anterior inferior iliac spine (apex) and then bifurcates to insert into Greater and Lesser trochanters and Intertrochanteric line (base).
- It has a ‘Y’ shaped appearance, and prevents hyperextension of the hip joint. It is the strongest of the three ligaments.
2. Pubofemoral: arises from superior pubic rami and inserts into lesser trochanter, reinforcing capsule anteriorly and inferiorly.
- It has a triangular shape, and prevents excessive abduction and extension.
3. Ischiofemoral: It arises from the posteroinferior margin of the acetabular rim, passes laterally to the capsule and blends with the circular fibres of the capsule, the zona orbicularis. It reinforces the capsule posteriorly.
- It has a spiral orientation, and prevents hyperextension and holds the femoral head in the acetabulum

Question 18

spiral orientation

Answer 18

Ischiofemoral