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

8. Joints

Classification of Joints

Anatomy & Physiology

8. Joints

Classification of Joints

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Multiple Choice

Which type of joint allows rotation of one bone around another, such as when rotating the head?

Hinge joint

Pivot joint

Saddle joint

Ball and socket joint

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Verified step by step guidance

Understand the types of synovial joints: Synovial joints are classified based on their movement capabilities. The main types include hinge, pivot, saddle, and ball and socket joints.

Identify the pivot joint: Pivot joints allow rotational movement around a single axis. This type of joint is characterized by a rounded bone end fitting into a ring formed by another bone and ligaments.

Consider the example of the atlantoaxial joint: The atlantoaxial joint, located between the first and second cervical vertebrae, is a pivot joint that allows the head to rotate from side to side.

Differentiate from other joint types: Hinge joints allow movement in one plane, like the elbow. Saddle joints allow movement in two planes, like the thumb. Ball and socket joints allow movement in multiple planes, like the shoulder.

Conclude that the pivot joint is the correct type for rotational movement: Based on the characteristics and examples, the pivot joint is the type that allows rotation of one bone around another, such as when rotating the head.