Download Chapter 6 - Lisle CUSD 202

Chapter 6 Muscular System
I. Overview of muscle tissue:
Muscle types:
-What are the three types of muscle tissue?
-Describes each type and where they are found in the body:
Muscle function:
-What are four functions of the muscular system?
Answer questions on page 187:
1.
2.
3.
4.
II. Microscopic anatomy of the skeletal muscle:
-Sketch a diagram of the myofibril, sacomere, and myofilament: label the I bands,
A bands, M line, Z disc, myosin, actin, and H zone :( page 188)
Answer questions on page 189:
5.
III: Skeletal muscle activity:
-Explain excitability:
-Explain contractility:
-Explain extensibility:
-Explain elasticity:
-Explain action potential:
-Sketch a diagram and label a motor unit (page 190):
Answer Questions on page 189:
6.
- What role does acetylcholine play in muscle movement?
-
Compare action potential to a flame burning a twig:
-
What is the sliding filament Theory:
Answer questions on page 194:
7.
8.
9.
Contraction of skeletal muscle as a whole:
-What is a graded response?
-Why don’t are muscle always have twitches?
-What is a tetanic contraction?
-Do muscles store a lot of ATP?
-What are the three pathways for muscles regeneration?
-What is muscle fatigue?
Types of muscle contractions:
-What is an isotonic contraction?
- What is an isometric contraction?
-What is muscle tone? How is it so important?
-What happens when muscle start to loss tone? What is flaccid?
What is atrophy?
Answer questions on page 198:
10.
11.
12.
13.
14.
IV: Muscle Movements, Type, and Names:
-Describe insertion:
-Describe origin:
-What are the six types of muscle movement and explain each?
-What are the four types of special muscle movement and explain each?
-What is a prime mover?
-What is an antagonist?
-What is a synergist?
-What is a fixator?