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 muscle, highlighted in the diagram and known to work synergistically with the latissimus dorsi, is being identified?

Teres major

Deltoid

Trapezius

Pectoralis major

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Verified step by step guidance

Step 1: Understand the term 'synergistically'—it refers to muscles that work together to perform a movement. In this case, the muscle in question works alongside the latissimus dorsi.

Step 2: Recall the function of the latissimus dorsi—it is a large muscle responsible for movements such as shoulder extension, adduction, and medial rotation of the arm.

Step 3: Review the anatomy and function of the listed muscles: Teres major assists in shoulder extension, adduction, and medial rotation, making it a synergist to the latissimus dorsi. The deltoid primarily abducts the arm, the trapezius stabilizes and moves the scapula, and the pectoralis major is involved in flexion, adduction, and medial rotation of the arm.

Step 4: Compare the functions of the listed muscles to the latissimus dorsi. Identify which muscle shares the most similar actions and works closely with it.

Step 5: Based on the functional similarity and anatomical proximity, determine that the teres major is the muscle that works synergistically with the latissimus dorsi.