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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2:28 minutes

Problem 10

Textbook Question

Which seven bones make up the ankle (tarsus)?

Verified step by step guidance

Step 1: Understand that the ankle, also known as the tarsus, is composed of seven specific bones that form the posterior part of the foot.

Step 2: Recall that these bones are collectively referred to as the tarsal bones, and they are responsible for providing stability and mobility to the foot.

Step 3: Identify the seven tarsal bones: the talus (which articulates with the tibia and fibula to form the ankle joint), the calcaneus (heel bone), the navicular, the cuboid, and the three cuneiform bones (medial, intermediate, and lateral).

Step 4: Note that the talus and calcaneus are the largest tarsal bones and play a key role in weight-bearing and movement.

Step 5: Recognize the anatomical arrangement of these bones, with the talus and calcaneus forming the hindfoot, and the navicular, cuboid, and cuneiform bones forming the midfoot.

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Key Concepts

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

Ankle Anatomy

The ankle, or tarsus, is a complex structure composed of seven bones that facilitate movement and support the weight of the body. Understanding the anatomy of the ankle is crucial for identifying its components and their functions in mobility.

Tarsal Bones

The tarsal bones include the talus, calcaneus, navicular, cuboid, and three cuneiform bones (medial, intermediate, and lateral). Each of these bones plays a specific role in the stability and movement of the foot, making them essential for proper locomotion.

Joint Functionality

The ankle joint is formed by the articulation of the tibia and fibula with the talus. This joint allows for a range of movements, including dorsiflexion and plantarflexion, which are vital for walking, running, and other physical activities.

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Related Practice

Multiple Choice

Which of the following is a leg bone that bears the most weight?

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Textbook Question

The tarsal bone that transfers and distributes weight to the heel or toes is the:

(a) Cuneiform

(b) Calcaneus

(d) Navicular

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Textbook Question

Why is the tibia, but not the fibula, involved in the transfer of weight to the ankle and foot?

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Textbook Question

What is the name of the flexible sheet that interconnects the radius and ulna (and the tibia and fibula)?

Multiple Choice

With which bones does the femur articulate?

The structure of the upper limbs (the arms) and the lower limbs (the legs) follow a similar pattern. Which of the following statements comparing the limbs is not accurate?

How do the metatarsals contribute to the foot's ability to bear weight?

Distinguish between the Talus and the Calcaneus.

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