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

4. Tissues & Histology

Introduction to Muscle Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to 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 best describes an isometric muscle contraction?

The muscle lengthens while generating tension.

The muscle shortens while generating tension.

The muscle generates tension without changing its length.

The muscle relaxes completely during contraction.

Previous problemNext problem

Verified step by step guidance

Understand the concept of muscle contraction: Muscle contraction refers to the process where muscle fibers generate tension in response to a stimulus. There are different types of muscle contractions based on how the muscle changes length during tension generation.

Define isometric contraction: An isometric contraction occurs when a muscle generates tension without changing its length. This means the muscle is active and producing force, but it is not shortening or lengthening.

Compare isometric contraction to other types: In contrast to isometric contraction, isotonic contractions involve changes in muscle length. These can be concentric (muscle shortens while generating tension) or eccentric (muscle lengthens while generating tension).

Analyze the options provided: Evaluate each option based on the definition of isometric contraction. For example, 'The muscle generates tension without changing its length' aligns with the definition of isometric contraction.

Conclude the correct description: Based on the analysis, the correct description of an isometric contraction is 'The muscle generates tension without changing its length.' This distinguishes it from other types of contractions like isotonic or complete relaxation.