Skeletal muscle Flashcards
(8 cards)
1
Q
What is osteoporosis?
A
- Loss of bone mass and density that makes the skeleton brittle
- Can be due to age, hormones, calcium deficiency
2
Q
What types of fractures are there?
A
- Closed
- compound
- green-stick
- Comminuted
3
Q
What is osteoarthritis?
A
- A degenerative joint disease that can be a consequence of : ageing/ wear and tear, or response to traumatic injury
4
Q
What effects does osteoarthritis have?
A
- restricts movement
- Muscle weakness
5
Q
What does a longer lever arm give?
A
- Increases torque
- Decrease range of motion
- Decrease joint angular velocity
6
Q
What is the agonist?
A
Muscle responsible for performing the movement
7
Q
What is the antagonist?
A
the muscle that could oppose the agonist if activated
8
Q
What are the different types of muscle?
A
- Circular
- Convergent
- Parallel
- (Bi,Uni,Multi) Pennate
- Fusiform