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 muscles are typically overactive in association with upper crossed syndrome?

Rhomboids and lower trapezius

Upper trapezius and levator scapulae

Serratus anterior and infraspinatus

Gluteus maximus and hamstrings

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Verified step by step guidance

Step 1: Understand the concept of upper crossed syndrome (UCS). UCS is a postural imbalance characterized by tight or overactive muscles in the upper body and weak or underactive muscles. It often results from prolonged poor posture, such as slouching or forward head posture.

Step 2: Identify the typical muscle imbalances in UCS. Overactive muscles in UCS include the upper trapezius, levator scapulae, and pectoralis major/minor. Underactive muscles include the rhomboids, lower trapezius, and serratus anterior.

Step 3: Analyze the options provided in the question. The correct answer should include muscles that are typically overactive in UCS, such as the upper trapezius and levator scapulae.

Step 4: Eliminate incorrect options. For example, rhomboids and lower trapezius are underactive in UCS, not overactive. Serratus anterior and infraspinatus are also underactive, and gluteus maximus and hamstrings are unrelated to UCS as they pertain to the lower body.

Step 5: Confirm the correct answer based on the analysis. The correct answer is 'Upper trapezius and levator scapulae,' as these muscles are typically overactive in association with upper crossed syndrome.