Bone Facts Flashcards
(15 cards)
What type of bone is the scapula?
Flat bone
Describe the shape and position of the scapula.
Inverted triangle, lies against the posteriorolateral chest wall
Does the scapula have direct contact with the ribs?
No
What are the three borders of the scapula?
- Medial border
- Lateral border
- Superior border
What is the glenoid cavity?
Oval depression on the lateral surface of the scapula
What articulates with the glenoid cavity?
Humeral head
What is the shoulder girdle formed by?
Scapula and clavicle
Where is the coracoid process located?
Superior and anterior to the glenoid cavity
What is the spine of the scapula?
Narrow ridge of bone on the posterior/dorsal surface
What muscles are divided by the spine of the scapula?
- Supraspinous
- Infraspinous
What does the spine of the scapula expand to form?
Acromion
What is the clavicle commonly known as?
Collarbone
What are the two ends of the clavicle?
- Sternal end
- Acromial end
What joint does the sternal end of the clavicle articulate with?
Sternoclavicular joint
What joint does the acromial end of the clavicle articulate with?
Acromioclavicular joint
