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

At which joint does the ilium join the sacrum?

Pubic symphysis

Sacroiliac joint

Acetabulum

Hip joint

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Verified step by step guidance

Step 1: Begin by identifying the anatomical structures mentioned in the problem. The ilium is part of the pelvic bone, and the sacrum is a triangular bone at the base of the spine that connects to the pelvis.

Step 2: Understand the function of the sacroiliac joint. This joint is where the ilium of the pelvis meets the sacrum, forming a strong, weight-bearing connection between the spine and the lower limbs.

Step 3: Differentiate between the other options provided. The pubic symphysis is a cartilaginous joint between the left and right pubic bones, unrelated to the sacrum. The acetabulum is the socket in the pelvis that articulates with the femur to form the hip joint, and the hip joint itself is the ball-and-socket joint between the femur and the pelvis.

Step 4: Recognize that the sacroiliac joint is the correct answer because it specifically describes the connection between the ilium and the sacrum.

Step 5: Conclude that the sacroiliac joint is a critical structure for transferring weight from the upper body to the lower limbs and plays a key role in maintaining stability during movement.