What type of joint allows for a wide range of motion?

Study for the HESI A2 Anatomy exam with flashcards and multiple choice questions, each designed to deepen your understanding. Prepare to excel and achieve your best score!

The ball-and-socket joint is characterized by its structure, which enables a wide range of motion in multiple directions. This type of joint consists of a spherical head of one bone fitting into a cuplike cavity of another bone, allowing movements such as flexion, extension, adduction, abduction, and rotation.

Examples of ball-and-socket joints in the human body include the shoulder and hip joints. The design of these joints facilitates not only a full 360-degree rotation but also movement along several planes, making them the most versatile type of joint concerning mobility.

Other joint types, such as fixed joints, hinge joints, and pivot joints, have more restricted ranges of motion. Fixed joints, for instance, do not allow any movement, while hinge joints enable motion primarily in one plane (like a door), and pivot joints allow for rotational movement around a single axis. This context emphasizes the unique and extensive mobility provided by ball-and-socket joints.

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