Chapter 6: Muscular System Flashcards
1
Q
Prime Mover
A
- A muscle or muscle group that directly produces a desired movement
2
Q
Antagonist
A
- A muscle that opposes the action of a prime mover
3
Q
Synergist
A
- A muscle that contracts at the same time as a prime mover and assists it in carrying out its action
4
Q
Fixator
A
- A muscle that stabilizes joints to allow other movements to take place
5
Q
Tendons
A
- Fibrous connective tissue bands which attach muscles to bones
6
Q
Aponeuroses
A
- Sheets of fibrous connective tissue which connect muscles to bones or other muscles
7
Q
Origin
A
- The more stable attachment site of a muscle (proximal attachment of a muscle to bone)
8
Q
Insertion
A
- The site of a muscle that undergoes most of the movement when a muscle contracts (distal attachment of a muscle to bone)
9
Q
What are the 4 tissue types of the body?
A
- Muscle Tissue
- Connective Tissue
- Nervous Tissue
- Epithelial Tissue
10
Q
What are the different types of muscles within the body?
A
- Cardiac Muscle
- Skeletal Muscle
- Smooth Muscle
11
Q
Skeletal Muscle Function
A
- Allows movement (locomotion) under voluntary control
12
Q
Cardiac Muscle Function
A
- Involuntary contraction and relaxation of muscle within the heart
13
Q
Smooth Muscle Function
A
- Involuntary movement that carries out various internal movements of the body
14
Q
Muscle Naming: Action
A
- A muscles name is often related to its function
ex: flexor muscles and extensor muscles
15
Q
Muscle Naming: Shape
A
- A muscles name is related to its shape
ex: deltoid muscle is triangular shaped
