Pectoral Girdle and Sternum Flashcards
1
Q
What is the function of the Pectoral Girdle?
A
- Supports upper extremities
2
Q
What are the main structures of the Pectoral Girdle?
A
- Scapula
- Clavicle
3
Q
What is another name for the scapula?
A
- Shoulder blade
4
Q
A fact about the scapula
A
- Attachment point for several muscles which allow flexible upper body movement and strength
5
Q
How does the scapula attach to the skeleton?
A
- Attaches to axial skeleton via only the clavicle
6
Q
Describe the Clavicle.
(3 items)
A
- Collarbone
- Attaches to sternum and scapula
- Provides an anterior point of support for the scapula
7
Q
What are the main structures of the Sternum?
A
- Manubrium sterni
- Corpus
- Xiphoid/ensiform process
8
Q
Sternum attachment and articulation
A
- Attaches to the clavicle
- Articulates with ribs by means of costal cartilage
9
Q
Describe some location details of the Manubrium sterni
A
- uppermost segment of the sternum
- contains jugular notch
- articulates with clavicle and first rib and part of second rib
10
Q
What does the corpus (body) of the sternum do?
A
- Articulates with 5 ribs
11
Q
Xiphoid/ensiform process
A
Provides attachment to the Linea alba (midline of abdomen)
