DANB General Chairside Practice Test

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Prepare for the DANB General Chairside Test with flashcards and multiple choice questions. Each question has hints and explanations. Maximize your study efficiency!

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What is the more fixed attachment of a muscle that is toward the midline of the body called?

A) Insertion
B) Origin
C) Muscle belly
D) Tendon

The correct answer is: B) Origin

The more fixed attachment of a muscle that is located toward the midline of the body is known as the origin. This point serves as the stable structure from which the muscle exerts force to move another part of the body during contraction. In anatomy, origins are typically found on the proximal side, meaning closer to the center of the body and attached to a less movable bone or structure. Understanding the roles of origin and insertion is crucial for comprehending how muscles facilitate movement and maintain posture. The origin generally remains fixed while the muscle contracts, allowing the insertion, which is usually the more movable attachment, to move towards the origin.