Multiple Choice
Which of the following is NOT one of the three bones that compose the ankle joint?
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8. Joints
Introduction to Joints
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Which of the following is an example of a hinge synovial joint?
A
Shoulder joint
B
Atlantoaxial joint
C
Elbow joint
D
Hip joint
Verified step by step guidance1
Step 1: Understand the types of synovial joints. Synovial joints are classified based on their movement and structure. Examples include hinge, ball-and-socket, pivot, saddle, plane, and condyloid joints.
Step 2: Define a hinge joint. A hinge joint allows movement primarily in one plane, similar to the motion of a door hinge. This type of joint permits flexion and extension, such as bending and straightening.
Step 3: Identify the anatomical location of the elbow joint. The elbow joint is formed by the articulation of the humerus (upper arm bone), radius, and ulna (forearm bones). It functions as a hinge joint, allowing flexion and extension of the forearm.
Step 4: Compare the elbow joint to other options provided. The shoulder joint and hip joint are ball-and-socket joints, allowing movement in multiple planes. The atlantoaxial joint is a pivot joint, allowing rotational movement.
Step 5: Conclude that the elbow joint is the correct example of a hinge synovial joint, as it fits the definition and function of this type of joint.
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