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Multiple Choice
Which of the following is an example of a ball-and-socket joint?
A
Ankle joint
B
Knee joint
C
Hip joint
D
Elbow joint
Verified step by step guidance
1
Understand the types of synovial joints: Synovial joints are classified into several types based on their shapes and the movements they allow. The main types include hinge, pivot, saddle, plane, condyloid, and ball-and-socket joints.
Identify the characteristics of a ball-and-socket joint: This type of joint allows for rotational movement and movement in multiple axes. It consists of a spherical head fitting into a cup-like socket, allowing for a wide range of motion.
Review the anatomy of the hip joint: The hip joint is a classic example of a ball-and-socket joint. The head of the femur (thigh bone) is the 'ball' that fits into the acetabulum of the pelvis, which acts as the 'socket'.
Compare with other joints: The ankle, knee, and elbow joints do not have the same structure as the hip joint. The ankle and knee are hinge joints, allowing movement primarily in one plane, while the elbow is also a hinge joint.
Conclude with the correct identification: Based on the characteristics and structure, the hip joint is the correct example of a ball-and-socket joint among the options provided.