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

10. Muscles

Origin and Insertion

Anatomy & Physiology

10. Muscles

Origin and Insertion

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Multiple Choice

Which of the following adducts the fingers and wrist?

extensor digitorum

flexor carpi radialis

flexor carpi ulnaris

extensor carpi radialis longus

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Verified step by step guidance

Understand the term 'adducts': In anatomy, 'adduction' refers to the movement of a body part toward the body's midline. For fingers and wrist, adduction means moving them closer to the center of the body.

Identify the muscles involved: The problem lists four muscles: extensor digitorum, flexor carpi radialis, flexor carpi ulnaris, and extensor carpi radialis longus.

Analyze the function of each muscle: - Extensor digitorum: Primarily extends the fingers and wrist. - Flexor carpi radialis: Flexes and abducts the wrist. - Flexor carpi ulnaris: Flexes and adducts the wrist. - Extensor carpi radialis longus: Extends and abducts the wrist.

Focus on the muscle that adducts: From the analysis, the flexor carpi ulnaris is the muscle that adducts the wrist, moving it toward the body's midline.

Conclude with the correct answer: Based on the functions, the flexor carpi ulnaris is the muscle that adducts the fingers and wrist, aligning with the correct answer provided.