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

The subscapularis muscle inserts on the __________.

greater tubercle of the humerus

olecranon process of the ulna

coracoid process of the scapula

lesser tubercle of the humerus

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Verified step by step guidance

Step 1: Begin by identifying the subscapularis muscle. It is one of the four rotator cuff muscles, located on the anterior surface of the scapula.

Step 2: Understand the function of the subscapularis muscle. It primarily acts to medially rotate the arm and stabilize the shoulder joint.

Step 3: Recall the anatomy of the humerus. The humerus has two tubercles: the greater tubercle (lateral) and the lesser tubercle (medial). These serve as attachment points for muscles.

Step 4: Note that the subscapularis muscle inserts specifically on the lesser tubercle of the humerus. This insertion allows it to perform its function of medial rotation effectively.

Step 5: Eliminate the incorrect options: The greater tubercle is the insertion point for other rotator cuff muscles (supraspinatus, infraspinatus, and teres minor), the olecranon process is part of the ulna, and the coracoid process is part of the scapula. None of these are relevant to the subscapularis muscle.