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Ch. 9 The Muscular System
Amerman - Human Anatomy & Physiology 2nd Edition
Amerman2nd EditionHuman Anatomy & PhysiologyISBN: 9780136873822Not the one you use?Change textbook
Chapter 9, Problem 13c

Mark the following statements as true or false. If the statement is false, correct it to make a true statement.
The rhomboid major and minor muscles retract the scapula.

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1
Step 1: Understand the function of the rhomboid major and minor muscles. These muscles are located in the upper back and are responsible for retracting the scapula, which means pulling the shoulder blades toward the spine.
Step 2: Analyze the statement provided: 'The rhomboid major and minor muscles retract the scapula.' Based on anatomical knowledge, determine whether this statement aligns with the function of these muscles.
Step 3: If the statement is true, confirm it as correct. If the statement is false, identify the incorrect part and revise it to accurately describe the function of the rhomboid major and minor muscles.
Step 4: Provide reasoning for your conclusion. For example, explain how the rhomboid muscles work in conjunction with other muscles to stabilize and move the scapula during various activities.
Step 5: Summarize the corrected statement (if necessary) and ensure the explanation is clear and concise for better understanding.

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Key Concepts

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

Scapular Retraction

Scapular retraction refers to the movement of the scapulae (shoulder blades) towards the spine. This action is primarily performed by the rhomboid major and minor muscles, which pull the scapulae together, enhancing posture and stability during upper body movements.
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Rhomboid Major and Minor Muscles

The rhomboid major and minor are two muscles located in the upper back, connecting the scapula to the spine. The rhomboid major is larger and lies below the minor, both playing a crucial role in retracting the scapula and assisting in shoulder movements, such as pulling and lifting.
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True or False Statements

True or false statements are assertions that can be evaluated for their accuracy. In this context, determining the truth of the statement about the rhomboid muscles involves understanding their anatomical function and role in scapular movement, which is essential for providing a correct response.
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