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

Previous problemNext problem

Struggling with Anatomy & Physiology?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

Which of the following muscles is primarily responsible for adducting the humerus?

Pectoralis major

Trapezius

Deltoid

Biceps brachii

Previous problemNext problem

Verified step by step guidance

Understand the term 'adducting the humerus': Adduction refers to the movement of a body part toward the midline of the body. In this case, adducting the humerus means moving the upper arm bone (humerus) closer to the body's midline.

Review the function of the Pectoralis major: The Pectoralis major is a large, fan-shaped muscle located in the chest. Its primary function includes adduction and medial rotation of the humerus, making it a key muscle for this action.

Analyze the function of the Trapezius: The Trapezius is a large muscle in the upper back and neck region. Its primary functions include moving the scapula and supporting the arm, but it is not primarily responsible for adducting the humerus.

Evaluate the role of the Deltoid: The Deltoid is a shoulder muscle responsible for abduction, flexion, and extension of the arm. It does not play a primary role in adducting the humerus.

Consider the function of the Biceps brachii: The Biceps brachii is a muscle located in the upper arm, primarily responsible for flexion of the elbow and supination of the forearm. It does not contribute significantly to adducting the humerus.