Appendicular Skeleton Flashcards
How many bones are in the Appendicular Skeleton?
126
How many bones are in the shoulder girdle?
2
Name the 2 bones located in the shoulder girdle
Clavicle & Scapula
What is another name for the collarbone?
Clavicle
What type of bone is the clavicle?
Long bone
What is the clavicle bone?
Bone of shoulder that attaches directly to rib cage
What purpose does the clavicle bone serves?
Bears all weight of entire arm
What is another name for shoulder blade?
Scapula
What type of bone is the scapula?
Flat bone
Is the scapula attached to the rib cage?
No, it is held in place by shoulder muscles
What type of joint is the shoulder socket?
Ball & socket joint
Where is the ball & socket joint located?
Ends of clavicle & scapula, it’s very flexible & easily dislocated
How many bones are in the arm?
3
What type of bone are the arm bones?
Long bones
What is the upper arm bone called?
Humerus
What is the lower arm bones called?
Ulna & Radius
Where is the ulna located?
On pinky side (forms point of elbow)
Where is the radius located?
On thumb side
What type of joint is the elbow?
Hinge joint (made up of humerus, ulna, radius)
What’s a funny bone?
Ulnar nerve (NOT a bone)
Where is the funny bone located?
Runs from ring finger & pinky to elbow
How many bones are in the hand?
27
What is another term for fingers?
Phalanges
What is Phalange I?
Thumb
What does opposable thumb mean?
Ability to bring to opposite finger
How many long bones are in phalange I (thumb)?
2 bones (proximal + distal)
How many long bones are in phalanges II, III, IV, V?
3 bones (proximal, intermediate, distal)
How many total bones are in the phalanges?
14
What is the term for palm?
Metacarpals