Unit Two Sacrum And Pelvis Flashcards
The sacrum is located where
The base of the spine
How many segments in the sacrum
5 fused segments
What is the shape of the sacrum
Inverted triangle
Describe the shape of the sacrum
Concave to the anterior and positioned so the base is more anterior than the apex
What body is the base of the sacrum
S1
Where is the widest portion of the sacrum
From left to right
Sacral alae AKA
Lateral sacral masses
What is the sacral promontory
The base of the sacrum
Superior articular process of the sacrum articulates with what
The last lumbar normally the L5
The facets of the sacrum face
Coronary (front to back) than sagittally (left or right)
When do the sacral vertebrae fuse fully
At age 30
Characteristics of the female sacrum
Shorter, wider and more curved
The sacral canal is a continuation of the
Vertebral canal
Sacral vertebrae connect the spine to what
The pelvic girdle at the sacroiliac joint
The auricular or the articular surface of the sacrum is also the
Lateral surface
What joint is at the articular surface of the sacrum
SI joint
Where is the sacral tuberosity on the sacrum
A rough prominence on the lateral surface of the sacrum posterior to the articular surface
What attaches to the sacral tuberosity of the sacrum
Posteriorsacroiliac ligaments
What is the lateral inferior angle of the sacrum
Lateral aspect of the last two segments
Where is the rough surface of the sacrum located
Posterior
Where is the superior articular process located on the sacrum
Posterior
Where is the medians sacral crest located on the sacrum
Posterior
Where are the sacral grooves located on the sacrum
Posterior