American Board of Surgical Assistants (ABSA) Orthopedic Practice Test

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Question: 1 / 400

What is the primary role of the flexor muscle group in joint movement?

To increase the angle of the joint

To stabilize the joint

To decrease the angle of the joint

The primary role of the flexor muscle group in joint movement is to decrease the angle of the joint. When flexor muscles contract, they pull the insertion point of the muscle closer to the origin, resulting in the bending of the joint. This action is critical in various movements, such as bending the elbow or knee, where the flexors work to bring the forearm or lower leg closer to the upper arm or thigh, respectively.

This function is essential for many daily activities, including walking, lifting, and grasping. The ability to flex joints supports dynamic movement and contributes to overall strength and mobility in the musculoskeletal system. Understanding this fundamental role of flexor muscles is important for comprehending how different muscle groups facilitate movement and function in the body.

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To rotate the limb

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