A&P - Chapter 13 (Part 1) Flashcards
What makes up the upper extremities? (4)
- Shoulder
- Arms
- Wrists
- Hands
What makes up the lower extremities? (5)
- Hip
- Pelvic girdles
- Legs
- Ankles
- Feet
Where do we have the most bones located in our bodies?
Our wrists and hands
Why does our wrists and hands have the most bones?
For greater dexterity
What is the shoulder girdle made up of? (2)
- Scapula
2. Clavicle
What does the shoulder girdle connect?
The upper extremity to the axial skeleton
What is the only point of connection in the shoulder girdle?
Sternoclavicular joint
What bones make up the arm? (4)
- Humerus
- Radius
- Ulna
- Elbow joint
What is the long bone of the arm?
Humerus
What is the second longest bone in the body?
Humerus
Where is the humerus held in place at? By what?
The scapula by the rotator cuff
What makes up the forearm? (2)
- Radius
2. Ulna
Where is the radius located?
Laterally to the body
Where is the ulna located?
Medially to the body
What is the elbow joint?
A bony process of the ulna (olecranon)
Where does the elbow joint fit?
It fits into a big crater (olecranon fossa)
Why is the radial one of the best places to track your pulse? (2)
- The artery sits along the bone
2. Superficial
What 3 bones make up the hand?
- Carpals
- Metacarpals
- Phalanges
How many carpal bones are there?
8
How many metacarpal bones are there?
5
How many phalanges in the hand are there?
14
