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

9. Muscle Tissue

Introduction to Muscles and Muscle Tissue

Anatomy & Physiology

9. Muscle Tissue

Introduction to Muscles and Muscle Tissue

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Multiple Choice

Which of the following is a superficial anterior flexor muscle of the forearm?

Supinator

Flexor carpi radialis

Brachioradialis

Extensor carpi ulnaris

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Verified step by step guidance

Understand the terminology: 'Superficial' refers to muscles located closer to the surface of the body, and 'anterior' refers to the front side of the forearm. 'Flexor' indicates that the muscle is involved in flexion, which is the action of decreasing the angle of a joint (e.g., bending the wrist).

Review the anatomy of the forearm: The anterior compartment of the forearm contains muscles primarily responsible for flexion of the wrist and fingers. These muscles are divided into superficial, intermediate, and deep layers.

Analyze the options: The 'Supinator' is a posterior muscle responsible for supination (rotating the forearm to turn the palm upward). The 'Brachioradialis' is a superficial muscle but is located on the lateral side of the forearm and primarily acts as a flexor of the elbow. The 'Extensor carpi ulnaris' is a posterior muscle responsible for wrist extension and ulnar deviation. The 'Flexor carpi radialis' is a superficial anterior muscle involved in wrist flexion and radial deviation.

Identify the correct answer: Based on the criteria of being a superficial anterior flexor muscle, the 'Flexor carpi radialis' fits the description. It is located in the anterior compartment of the forearm and is responsible for flexing and abducting the wrist.

Conclude: The correct answer is 'Flexor carpi radialis' because it meets all the criteria of being superficial, anterior, and a flexor muscle of the forearm.