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 of the following muscles is located in the posterior compartment of the lower body?

Rectus femoris

Tibialis anterior

Gastrocnemius

Sartorius

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Verified step by step guidance

Step 1: Understand the anatomical location of the posterior compartment of the lower body. The posterior compartment refers to the back side of the lower leg, which primarily contains muscles responsible for plantar flexion and toe flexion.

Step 2: Review the function and location of each muscle listed in the question. For example, the rectus femoris is part of the quadriceps group located in the anterior thigh, and the tibialis anterior is located in the anterior compartment of the lower leg.

Step 3: Focus on the gastrocnemius muscle. It is a large, prominent muscle located in the posterior compartment of the lower leg and is responsible for plantar flexion of the foot and flexion of the knee.

Step 4: Compare the gastrocnemius with the sartorius muscle. The sartorius is a long, thin muscle that runs diagonally across the anterior thigh and is not part of the posterior compartment.

Step 5: Conclude that the gastrocnemius is the correct answer because it is the only muscle listed that is located in the posterior compartment of the lower body.