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Multiple Choice
Which of these joints is classified as a hinge joint?
A
Shoulder joint
B
Suture joint
C
Elbow joint
D
Hip joint
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1
Understand the types of joints: Joints in the human body are classified based on their structure and function. The main types include fibrous, cartilaginous, and synovial joints.
Identify the characteristics of a hinge joint: A hinge joint is a type of synovial joint that allows movement in one plane, similar to the motion of a door hinge. This includes flexion and extension.
Examine the options provided: The options are shoulder joint, suture joint, elbow joint, and hip joint.
Analyze each option: The shoulder and hip joints are ball-and-socket joints, allowing movement in multiple planes. The suture joint is a fibrous joint found in the skull, allowing no movement.
Determine the correct classification: The elbow joint is a hinge joint, as it allows movement primarily in one plane (flexion and extension), fitting the characteristics of a hinge joint.