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

Introduction to Joints

Anatomy & Physiology

8. Joints

Introduction to Joints

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Multiple Choice

Which type of joint allows movement around only one axis?

Ball-and-socket joint

Pivot joint

Saddle joint

Hinge joint

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Verified step by step guidance

Step 1: Understand the concept of joint types in the human body. Joints are classified based on their structure and the type of movement they allow. Examples include hinge joints, ball-and-socket joints, pivot joints, and saddle joints.

Step 2: Recall the definition of a hinge joint. A hinge joint is a type of synovial joint that allows movement primarily in one plane, similar to the motion of a door hinge. This movement is around a single axis, enabling flexion and extension.

Step 3: Compare the hinge joint to other types of joints mentioned in the problem. For example, ball-and-socket joints allow movement in multiple axes (e.g., shoulder joint), pivot joints allow rotational movement around a single axis (e.g., the atlantoaxial joint in the neck), and saddle joints allow movement in two planes (e.g., the thumb joint).

Step 4: Identify examples of hinge joints in the human body. Common examples include the elbow joint and the knee joint, which allow flexion and extension around one axis.

Step 5: Conclude that the correct answer is 'hinge joint,' as it is the only type of joint listed that allows movement around only one axis.