Joints Flashcards
1
Q
What is the relationship between bones, joints, and muscles?
there are 3 parts to this answer
A
- 2 or more bones articulate to form a joint
- muscles attach to bones and cross over a joint
- when muscles contract (shorten) & pull on the bones creating movement at the joint
2
Q
What are the three structural joint classifications? Define them.
A
- fiberous - dense irregular connective tissue
- cartilaginous - cartilage
- synovial - 2 ends of the bone are enclosed in a joint capsule
3
Q
What are the three functional joint classifications? Define them.
A
- synarthrosis - immovable
- amphiarthrosis - slightly movable
- diarthrosis - freely moveable
4
Q
example of a fiberous synarthrosis joint
A
Sutures of the skull
5
Q
example of a cartilaginous amphiarthrosis joint
A
invertebrate joint and pubic symphysis
6
Q
example of a synovial diarthrosis joint
A
elbow, shoulder, knee, hip
7
Q
muscle origin
A
attachment point to the stationary bone
8
Q
muscle insertion
A
attachment point to the moving bone
9
Q
synergist muscle
A
a muscle that aids a prime mover and is usually located next to it
10
Q
antagonist muscle
A
a muscle that opposes the action of the prime mover
