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

10. Muscles

Muscle Naming

Anatomy & Physiology

10. Muscles

Muscle Naming

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2:52 minutes

Problem 3

Textbook Question

Match the muscle names in column B to the facial muscles described in column A.
Column A
(1) squints the eyes
(2) raises the eyebrows
(3) smiling muscle
(4) puckers the lips
__ (5) pulls the scalp posteriorly
Column B
a. corrugator supercilii
b. depressor anguli oris
c. frontal belly of epicranius
d. occipital belly of epicranius
e. orbicularis oculi
f. orbicularis oris
g. zygomaticus

Verified step by step guidance

Step 1: Begin by understanding the function of each facial muscle described in Column A. For example, squinting the eyes involves muscles that control the eyelids and surrounding areas.

Step 2: Review the muscle names in Column B and their anatomical functions. For instance, the orbicularis oculi is responsible for closing the eyelids, which matches the description in Column A (1).

Step 3: Match the muscle responsible for raising the eyebrows (Column A, 2) with the frontal belly of the epicranius (Column B, c), as this muscle is involved in elevating the eyebrows.

Step 4: Identify the smiling muscle (Column A, 3) as the zygomaticus (Column B, g), which is responsible for pulling the corners of the mouth upward.

Step 5: Continue matching the remaining descriptions in Column A with the appropriate muscles in Column B, such as the orbicularis oris for puckering the lips (Column A, 4) and the occipital belly of the epicranius for pulling the scalp posteriorly (Column A, 5).

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Facial Muscle Functions

Understanding the specific functions of facial muscles is crucial for matching them correctly. Each muscle has a distinct role, such as squinting, raising eyebrows, or smiling. For example, the orbicularis oculi is responsible for closing the eyelids, while the zygomaticus is involved in smiling. Recognizing these functions helps in accurately identifying the corresponding muscle names.

Muscle Anatomy

Knowledge of muscle anatomy, including the location and structure of facial muscles, is essential for this task. The facial muscles are categorized into groups based on their actions and positions on the face. For instance, the frontal belly of the epicranius is located on the forehead and is responsible for raising the eyebrows, while the orbicularis oris encircles the mouth and is involved in lip movements.

Muscle Identification

Identifying muscles by their names and functions requires familiarity with anatomical terminology. Each muscle has a specific name that often reflects its function or location, such as 'depressor anguli oris,' which indicates its role in depressing the corners of the mouth. Being able to connect these names with their respective actions is key to successfully completing the matching exercise.

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Related Practice

Multiple Choice

The deltoid is a muscle named according to __________.

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Textbook Question

Name the three pennate muscles in the following figure, and for each muscle indicate the type of pennate muscle based on the relationship of muscle fascicles to the tendon.

<IMAGE>

a. ___

b. ___

c. ___

d. ___

e. ___

f. ___

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