A joint that allows movement in three axes is described as what?

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Prepare for the Skeletal System AandP Test. Study with flashcards and multiple choice questions, each question offers hints and explanations. Enhance your knowledge for an impressive exam performance.

Multiple Choice

A joint that allows movement in three axes is described as what?

Explanation:
Movement in three axes means the joint can move in three independent directions, spanning three planes of motion. That level of mobility is described as multiaxial. Ball-and-socket joints, like the shoulder and hip, exemplify this by allowing flexion-extension, abduction-adduction, and rotation. In contrast, uniaxial joints move in a single plane (such as hinges), and biaxial joints move in two planes (like certain hand and wrist joints). Monaxial is just another term for uniaxial. So three-axis movement corresponds to a multiaxial joint.

Movement in three axes means the joint can move in three independent directions, spanning three planes of motion. That level of mobility is described as multiaxial. Ball-and-socket joints, like the shoulder and hip, exemplify this by allowing flexion-extension, abduction-adduction, and rotation. In contrast, uniaxial joints move in a single plane (such as hinges), and biaxial joints move in two planes (like certain hand and wrist joints). Monaxial is just another term for uniaxial. So three-axis movement corresponds to a multiaxial joint.

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