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

7. The Skeletal System

Bone of the Lower Limb

Anatomy & Physiology

7. The Skeletal System

Bone of the Lower Limb

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1:53 minutes

Problem 17

Textbook Question

The tarsal bone that transfers and distributes weight to the heel or toes is the:
(a) Cuneiform
(b) Calcaneus
(c) Talus
(d) Navicular

Verified step by step guidance

Understand the function of the tarsal bones: The tarsal bones are a group of seven bones in the foot that help with weight distribution, movement, and stability. Some of these bones play a key role in transferring weight from the tibia to the heel or toes.

Review the anatomy of the talus: The talus is a tarsal bone located between the tibia and fibula (above) and the calcaneus (below). It is responsible for transferring weight from the tibia to the rest of the foot, including the heel and toes.

Compare the roles of the other tarsal bones: The calcaneus forms the heel and supports weight but does not directly transfer weight from the tibia. The cuneiform and navicular bones are involved in the arch structure and stability of the foot but are not primarily responsible for weight transfer.

Identify the correct answer based on the function: Since the talus is the bone that directly transfers and distributes weight from the tibia to the heel or toes, it is the correct choice.

Confirm the answer by cross-referencing anatomical sources: Verify that the talus is indeed the primary weight-transferring tarsal bone by consulting reliable anatomy references or textbooks.

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Key Concepts

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

Tarsal Bones

Tarsal bones are a group of seven bones in the foot that form the ankle and the back part of the foot. They play a crucial role in weight-bearing and movement, providing stability and support. Understanding the specific functions and locations of each tarsal bone is essential for identifying their roles in transferring weight during activities like walking and running.

Weight Distribution

Weight distribution refers to how the body's weight is spread across different parts of the foot during movement. Proper weight distribution is vital for balance and preventing injuries. The tarsal bones, particularly the calcaneus and talus, are key players in this process, as they help manage the forces exerted on the foot when standing, walking, or running.

Anatomy of the Foot

The anatomy of the foot includes various bones, ligaments, and muscles that work together to facilitate movement and support the body's weight. The foot is divided into three sections: the forefoot, midfoot, and hindfoot, with the tarsal bones primarily located in the hindfoot. Understanding this anatomy is crucial for identifying which tarsal bone is responsible for transferring and distributing weight to the heel or toes.