Opposition and Reposition Quiz
1. What is opposition of the thumb?
a. Moving the thumb so that its tip contacts the tip of another finger on the same hand.
b. Moving the thumb away from another finger on the same hand.
c. Keeping the thumb still.
d. Rotating the thumb in a continual clockwise or counterclockwise rotation.
The answer is a. During opposition, the tip of the thumb meets (opposes) the tip of another finger on the same
hand.
2. The thumb articulates with the trapezium bone of the carpus via what type of joint?
a. Hinge joint
b. Plane joint
c. Pivot joint
d. Saddle joint
The answer is d, saddle joint. The thumb (metacarpal 1) articulates with the trapezium via a saddle joint, which
allows the thumb to move in various positions.
3. What is reposition?
a. A special movement that causes the thumb to rotate in a circular fashion
b. A special movement that allows the thumb to touch the finger tips
1. What is opposition of the thumb?
a. Moving the thumb so that its tip contacts the tip of another finger on the same hand.
b. Moving the thumb away from another finger on the same hand.
c. Keeping the thumb still.
d. Rotating the thumb in a continual clockwise or counterclockwise rotation.
The answer is a. During opposition, the tip of the thumb meets (opposes) the tip of another finger on the same
hand.
2. The thumb articulates with the trapezium bone of the carpus via what type of joint?
a. Hinge joint
b. Plane joint
c. Pivot joint
d. Saddle joint
The answer is d, saddle joint. The thumb (metacarpal 1) articulates with the trapezium via a saddle joint, which
allows the thumb to move in various positions.
3. What is reposition?
a. A special movement that causes the thumb to rotate in a circular fashion
b. A special movement that allows the thumb to touch the finger tips
