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Muscular System Outline
3 types of Muscle Tissue:
Functions of muscle:
- aid in
-
protect
-
provide
-
produces
Muscle can be stimulated 3 ways:
Vocabulary:
Irritability or excitability:
Contractility:
Extensibility:
Elasticity:
3 Types of Muscle Tissue:
Skeletal Muscle
- make up
- increase
- Named according to:
o
o
o
o
o
-
looks striated under microscope
Tendons attach:
Basic unit of muscle fibers:
o causes
o made up of
3 parts of Skeletal muscle:
1. Origin:
2. Insertion:
3. Body:
= decreasing joint angle
= increasing joint angle
= movement away from the midline
= movement towards the midline
= turning palms down
= turning palms up
Visceral Muscle
- lines
- makes up
- in
- contracts
- controlled by ANS
Cardiac Muscle
-
Contraction
Isotonic
Definition
Muscle tone (Tonus)
No shortening of muscle
Tetanic
Uncoordinated contraction of muscle fiber
Groups of muscles in abnormal manner
Spasms