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

Bones of the Upper Limb

Anatomy & Physiology

7. The Skeletal System

Bones of the Upper Limb

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1:59 minutes

Problem 3

Textbook Question

Use key choices to identify the bone descriptions that follow.
Key:
a. carpals
b. femur
c. fibula
d. humerus
e. radius
f. tarsals
g. tibia
h. ulna
(1) articulates with the acetabulum and the tibia
(2) forms the lateral aspect of the ankle
(3) bone that 'carries' the hand
(4) the wrist bones
(5) end shaped like a monkey wrench
(6) articulates with the capitulum of the humerus
__ (7) largest bone of this 'group' is the calcaneus

Verified step by step guidance

Step 1: Understand the anatomical terms and relationships mentioned in the problem. For example, the acetabulum is part of the pelvis and articulates with the femur, while the tibia is one of the bones in the lower leg.

Step 2: Match the descriptions to the key choices provided. For instance, the lateral aspect of the ankle is formed by the fibula, and the wrist bones are collectively known as the carpals.

Step 3: Recall specific anatomical features of the bones. For example, the radius 'carries' the hand because it is the primary bone involved in wrist movement, and the ulna has an end shaped like a monkey wrench (the olecranon process).

Step 4: Use the anatomical groupings to identify the largest bone in the tarsals group, which is the calcaneus (heel bone).

Step 5: Review the articulation points, such as the capitulum of the humerus, which articulates with the radius, and ensure all descriptions align with the correct key choices.

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Key Concepts

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

Articulation and Joint Function

Articulation refers to the connection between two bones, allowing for movement and stability at joints. Understanding how bones articulate with each other, such as the femur with the acetabulum or the tibia, is crucial for identifying their roles in the skeletal system. This concept is fundamental in anatomy as it helps explain how different bones interact during movement.

Bone Classification

Bones are classified into various categories based on their shapes and functions, including long bones (like the femur), short bones (like carpals and tarsals), and flat bones. Recognizing these classifications aids in understanding the specific characteristics and roles of each bone in the body. For example, the femur is a long bone that supports weight, while carpals are short bones that provide flexibility in the wrist.

Anatomical Terminology

Anatomical terminology provides a standardized language for describing the locations and relationships of different body parts. Terms like 'lateral aspect' and 'articulates' are essential for accurately identifying and describing bones and their functions. Familiarity with this terminology is vital for effective communication in anatomy and understanding the relationships between various skeletal components.

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Activity

The humerus of the right arm

Mary fractured her pisiform bone in a fall. What part of her body was injured?

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Multiple Choice

The olecranon process is found on the __________.

Which of the following portions of the scapula articulates with the clavicle?

a. Coracoid process

b. Acromion

c. Spine

d. Glenoid cavity

Justiniano worked in a poultry-packing plant where his job was cutting open chickens and stripping out their visceral organs. After work, he typed for long hours on his computer keyboard, writing a book about his work in the plant. Soon, his wrist and hand began to hurt whenever he flexed it, and he began to awaken at night with pain and tingling on the thumb half of his hand. What condition did he probably have?

The 'elbow bone' is called the:

a. Trochlea

b. Capitulum

c. Olecranon

d. Deltoid tuberosity

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