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Multiple Choice
Which of the following is a ball-and-socket joint?
A
Knee joint
B
Elbow joint
C
Hip joint
D
Ankle joint
Verified step by step guidance
1
Understand the types of synovial joints: Synovial joints are classified based on their movement and structure. The main types include hinge joints, pivot joints, ball-and-socket joints, saddle joints, plane joints, and condyloid joints.
Identify the characteristics of a ball-and-socket joint: This type of joint allows for rotational movement and a wide range of motion in multiple directions. It consists of a spherical head fitting into a cup-like socket.
Compare the options given: Analyze each joint mentioned in the problem to determine which one fits the characteristics of a ball-and-socket joint.
Knee joint: This is a hinge joint, allowing movement primarily in one plane, like bending and straightening.
Elbow joint: This is also a hinge joint, similar to the knee, allowing movement in one plane. The hip joint, however, is a ball-and-socket joint, allowing for a wide range of motion, including rotation, which matches the characteristics described.