Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

4. Tissues & Histology

Types of Muscle Tissue

Anatomy & Physiology

4. Tissues & Histology

Types of Muscle Tissue

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Multiple Choice

Which type of muscle fibers are best suited for anaerobic exercise?

Type I fibers

Type III fibers

Type IIb fibers

Type IIa fibers

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Understand the different types of muscle fibers: Type I, Type IIa, Type IIb, and Type III. Each type has distinct characteristics and functions.

Type I fibers, also known as slow-twitch fibers, are primarily used for endurance activities and aerobic exercise. They are rich in mitochondria and myoglobin, making them efficient for prolonged activities.

Type IIa fibers are fast-twitch fibers that can adapt to both aerobic and anaerobic activities. They have a moderate amount of mitochondria and can generate force quickly.

Type IIb fibers are fast-twitch fibers that are best suited for anaerobic exercise. They have fewer mitochondria and rely on glycolysis for energy, allowing them to generate quick bursts of power and speed.

Type III fibers are not typically classified in standard muscle fiber types related to exercise physiology. Focus on Type IIb fibers for anaerobic activities, as they are designed for short, intense bursts of activity without relying on oxygen.