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 shoulder muscle is located superior and proximal to the triceps brachii?

Latissimus dorsi

Pectoralis major

Biceps brachii

Deltoid

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Verified step by step guidance

Step 1: Begin by identifying the anatomical location of the triceps brachii. The triceps brachii is a muscle located on the posterior side of the upper arm, responsible for extending the elbow joint.

Step 2: Understand the terms 'superior' and 'proximal.' 'Superior' refers to a position above or higher in relation to another structure, while 'proximal' refers to a position closer to the point of attachment or origin (in this case, the shoulder).

Step 3: Examine the anatomical location of the listed muscles: - Latissimus dorsi: A large, flat muscle located on the back, inferior to the shoulder. - Pectoralis major: A chest muscle located anteriorly, not directly above the triceps brachii. - Biceps brachii: A muscle located anteriorly on the upper arm, not superior to the triceps brachii. - Deltoid: A triangular-shaped muscle that covers the shoulder joint and is located superior and proximal to the triceps brachii.

Step 4: Recognize that the deltoid muscle is responsible for shoulder abduction, flexion, and extension, and its anatomical position aligns with the description of being superior and proximal to the triceps brachii.

Step 5: Conclude that the correct answer is the deltoid muscle, as it is the only muscle listed that fits the anatomical criteria of being superior and proximal to the triceps brachii.