Activity 4: Comparing Male and Female Pelves

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1

Differentiate the inlet in male and female pelves.

The female inlet is larger.

2

Differentiate the weight of the bones in male and female pelves.

The bones in female pelves are lighter.

3

Differentiate the sacrum broadness and curvature and the pubic arch roundness in male and female pelves.

1. The female sacrum is broader and less curved.

2. The female pubic arch is more rounded.

4

Differentiate the acetabula size and distance in male and female pelves.

Female acetabala are smaller and further apart.

5

Differentiate the degree of lateral flareness of the ilia in male and female pelves. (Ilia is plural for ilium)

Female ilia flare more laterally.

6

Differentiate the size and distance of the ischial spines in male and female pelves.

The ischial spines in females are shorter and farther apart.

7

The greater distance of the ischial spines in female pelves enlarges what feature of the pelvic girdle?

Enlarges the pelvic outlet.

8

Differentiate the degree of tiltness in male and female pelves.

Female pelves are more tilted forward.

9

The female pelvis is specifically adapted for what biological process?

Childbearing.

10

The male pelvis is specifically adapted for what 2 things?

1. Support of a male's heavier build

2. Stronger muscles

11

Differentiate the cavity of the true pelvis in male and female pelves in 2 ways (Hint: width and depth).

1. The female cavity is broad and shallow.

2. The male cavity is narrow and deep.

12

Differentiate the angle of the pubic arch in male and female pelves.

Female pelves have a broader angle (80-90 degrees). Male pelves have a more acute angle (50-60 degrees).

13

Differentiate mobility, straightness, and directional projection in the coccyx of male and female pelves.

1. Female pelves more movable compared to males'.

2. Female pelves straighter whereas males' are curved.

3. Female pelves project posteriorly whereas males' project anteriorly.

14

Differentiate the wideness and shape of the pelvic inlet in male and female pelves.

1. Female pelves wider and oval-shaped.

2. Male pelves narrower and heart-shaped.

15

Differentiate the wideness of the pelvic outlet in male and female pelves.

Female pelves are wider than males'.

16
card image

Which is male and which is female?

Left: Female

Right: Male

17
card image

Which is male and which is female?

Left: Female

Right: Male

18
card image

Which is male and which is female?

Left: Female

Right: Male