Upper Limb Bones Flashcards
What is the pectoral girdle composed of?
- clavicle
- scapula
What is the only direct articulation between each pectoral girdle and the axial skeleton?
- sternoclavicular joint
What is the clavicle?
- the collar bone
What is the scapula?
- shoulder blade
What are the two ends of the clavicle?
- sternal end: sternum
- acromial end: scapula
What are the three borders of the scapula?
- superior border
- medial border
- lateral border
What are the two joints at each end of the clavicle?
- Sternoclavicular joint (medial)
- Acromioclavicular joint (lateral)
How many bones are in each upper limbs?
- 30 bones
How many bones are in the arm?
- 1 bone
- humerus
How many bones are in the forearm?
- 2 bones
- ulna, radius
How many bones are in the wrist?
- 8 bones
- carpals
How many bones are in the hand?
- 19 bone
- metacarpals
- phalanges
Where is the head of the radius located?
- at the elbow
Where is the head of the ulna located?
- at the wrist
Where is the styloid process located on the ulna?
- at the wrist