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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1:32 minutes

Problem 5

Textbook Question

Joints typically located between the ends of adjacent long bones are
(a) Synarthroses
(b) Amphiarthroses
(c) Diarthroses
(d) Symphyses

Verified step by step guidance

Understand the types of joints: Synarthroses are immovable joints, Amphiarthroses are slightly movable joints, Diarthroses are freely movable joints, and Symphyses are a type of cartilaginous joint where bones are connected by fibrocartilage.

Recall the anatomy of long bones: Long bones, such as the femur or humerus, typically articulate at their ends to form joints that allow movement.

Consider the functional classification of joints: Joints between long bones are usually designed to allow a wide range of motion, which aligns with the characteristics of diarthroses (freely movable joints).

Eliminate incorrect options: Synarthroses and symphyses are not typically found between the ends of long bones because they do not allow the necessary range of motion. Amphiarthroses allow limited movement, which is less common for long bone articulation.

Conclude that the correct answer is diarthroses, as these joints are most commonly found between the ends of adjacent long bones and allow free movement, such as in the knee or elbow.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Types of Joints

Joints are classified based on their structure and function. The main types include synarthroses (immovable joints), amphiarthroses (slightly movable joints), and diarthroses (freely movable joints). Understanding these classifications helps in identifying the nature of movement allowed at different joints.

Diarthroses

Diarthroses, also known as synovial joints, are characterized by a fluid-filled joint cavity that allows for a wide range of motion. Examples include the knee, elbow, and shoulder joints. These joints are crucial for activities requiring flexibility and mobility.

Long Bones

Long bones, such as the femur and humerus, are typically found in the limbs and are essential for supporting weight and facilitating movement. The joints between long bones are often diarthroses, allowing for significant mobility and flexibility in the skeletal system.