Osteology

Question 1

What are the functions of the bony pelvis/bony pelvis? (5)

Answer 1

Protection of pelvic organs, their blood and nerve supply, their venous and lymphatic drainage
Passage for child birth
Support of the upper body when sitting/standing
Transference of weight allows standing and walking
Attachment for muscles of locomotion and abdominal wall

Question 2

What distinguishes C1 (the Atlas)

Answer 2

No body
No spinous process
Anterior and posterior arches
Superior articular facets for occipital condyles
Inferior articular facets for axis
Transverse ligament (for odontoid process of axis)

Question 3

What distinguishes C2 (the Axis)?

Answer 3

Odontoid process or dens

Superior articular facets for atlas (atlanto-axial joints)

Question 4

What are atlanto-occipital joints?

Answer 4

Between occipital condyles superiorly and superior articular facets of the atlas inferior

Question 5

What type of joint are atlanto-occipital joints?

Answer 5

Synovial

Question 6

What are the main movements of atlanto-occipital joints?

Answer 6

Extension/flexion of head and neck

Rotatory movement

Question 7

What are the 3 synovial articulation of atlanta axial joints?

Answer 7

Two between inferior facets of the atlas and the superior facets of the axis
One between the odontoid process of the axis and the anterior arch of the atlas