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Multiple Choice
Which of the following joints is an example of a condyloid joint?
A
The wrist joint between the radius and the carpal bones
B
The hip joint between the femur and pelvis
C
The elbow joint between the humerus and ulna
D
The shoulder joint between the humerus and scapula
Verified step by step guidance
1
Step 1: Understand the definition of a condyloid joint. A condyloid joint, also known as an ellipsoidal joint, is a type of synovial joint where an oval-shaped condyle of one bone fits into the elliptical cavity of another bone. This allows movement in two planes: flexion/extension and abduction/adduction.
Step 2: Analyze the wrist joint between the radius and the carpal bones. This joint allows movement in two planes (flexion/extension and abduction/adduction), fitting the characteristics of a condyloid joint.
Step 3: Examine the hip joint between the femur and pelvis. This is a ball-and-socket joint, which allows movement in multiple planes, including rotation, but does not fit the definition of a condyloid joint.
Step 4: Evaluate the elbow joint between the humerus and ulna. This is a hinge joint, which primarily allows movement in one plane (flexion/extension), and does not meet the criteria for a condyloid joint.
Step 5: Assess the shoulder joint between the humerus and scapula. This is another ball-and-socket joint, allowing movement in multiple planes, including rotation, and is not a condyloid joint.